/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 05:16:06,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 05:16:06,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 05:16:06,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 05:16:06,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 05:16:06,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 05:16:06,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 05:16:06,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 05:16:06,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 05:16:06,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 05:16:06,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 05:16:06,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 05:16:06,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 05:16:06,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 05:16:06,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 05:16:06,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 05:16:06,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 05:16:06,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 05:16:06,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 05:16:06,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 05:16:06,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 05:16:06,603 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 05:16:06,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 05:16:06,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 05:16:06,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 05:16:06,605 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 05:16:06,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 05:16:06,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 05:16:06,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 05:16:06,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 05:16:06,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 05:16:06,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 05:16:06,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 05:16:06,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 05:16:06,609 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 05:16:06,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 05:16:06,610 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 05:16:06,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 05:16:06,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 05:16:06,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 05:16:06,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 05:16:06,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 05:16:06,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 05:16:06,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 05:16:06,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 05:16:06,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 05:16:06,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 05:16:06,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 05:16:06,612 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 05:16:06,612 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 05:16:06,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 05:16:06,612 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 05:16:06,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 05:16:06,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 05:16:06,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 05:16:06,916 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 05:16:06,918 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 05:16:06,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl [2021-03-26 05:16:06,920 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl' [2021-03-26 05:16:06,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 05:16:06,952 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 05:16:06,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 05:16:06,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 05:16:06,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 05:16:06,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... [2021-03-26 05:16:06,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... [2021-03-26 05:16:06,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 05:16:06,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 05:16:06,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 05:16:06,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 05:16:06,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... [2021-03-26 05:16:06,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... [2021-03-26 05:16:06,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... [2021-03-26 05:16:06,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... [2021-03-26 05:16:06,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... [2021-03-26 05:16:06,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... [2021-03-26 05:16:06,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... [2021-03-26 05:16:06,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 05:16:06,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 05:16:06,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 05:16:06,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 05:16:06,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 05:16:07,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 05:16:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 05:16:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 05:16:07,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 05:16:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 05:16:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 05:16:07,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 05:16:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 05:16:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 05:16:07,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 05:16:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 05:16:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 05:16:07,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 05:16:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 05:16:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 05:16:07,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-03-26 05:16:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-03-26 05:16:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-03-26 05:16:07,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-03-26 05:16:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-03-26 05:16:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-03-26 05:16:07,054 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 05:16:07,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 05:16:07,235 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 05:16:07,236 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 05:16:07 BoogieIcfgContainer [2021-03-26 05:16:07,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 05:16:07,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 05:16:07,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 05:16:07,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 05:16:07,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:16:06" (1/2) ... [2021-03-26 05:16:07,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e2f78a and model type barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 05:16:07, skipping insertion in model container [2021-03-26 05:16:07,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 05:16:07" (2/2) ... [2021-03-26 05:16:07,242 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier.wvr.bpl [2021-03-26 05:16:07,246 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 05:16:07,266 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 05:16:07,266 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 05:16:07,344 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-03-26 05:16:07,376 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-03-26 05:16:07,396 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 05:16:07,396 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 05:16:07,396 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 05:16:07,396 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 05:16:07,396 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 05:16:07,396 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 05:16:07,397 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 05:16:07,397 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 05:16:07,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 65 transitions, 202 flow [2021-03-26 05:16:07,443 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 05:16:07,444 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 05:16:07,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 53 events. 4/53 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 109 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 63. Up to 3 conditions per place. [2021-03-26 05:16:07,448 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 65 transitions, 202 flow [2021-03-26 05:16:07,453 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 51 transitions, 150 flow [2021-03-26 05:16:07,454 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:07,466 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 51 transitions, 150 flow [2021-03-26 05:16:07,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 51 transitions, 150 flow [2021-03-26 05:16:07,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 51 transitions, 150 flow [2021-03-26 05:16:07,489 INFO L129 PetriNetUnfolder]: 4/51 cut-off events. [2021-03-26 05:16:07,490 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 05:16:07,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 51 events. 4/51 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 108 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 63. Up to 3 conditions per place. [2021-03-26 05:16:07,493 INFO L142 LiptonReduction]: Number of co-enabled transitions 1336 [2021-03-26 05:16:07,931 INFO L154 LiptonReduction]: Checked pairs total: 1358 [2021-03-26 05:16:07,931 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 05:16:07,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 480 [2021-03-26 05:16:07,969 INFO L129 PetriNetUnfolder]: 4/37 cut-off events. [2021-03-26 05:16:07,969 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 05:16:07,970 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:07,971 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:07,971 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:07,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:07,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1729675932, now seen corresponding path program 1 times [2021-03-26 05:16:07,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:07,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428648752] [2021-03-26 05:16:07,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:08,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:16:08,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 05:16:08,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:16:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:08,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428648752] [2021-03-26 05:16:08,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:08,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 05:16:08,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334613385] [2021-03-26 05:16:08,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 05:16:08,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:08,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 05:16:08,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 05:16:08,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 82 [2021-03-26 05:16:08,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 38 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:08,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 82 [2021-03-26 05:16:08,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:08,185 INFO L129 PetriNetUnfolder]: 6/43 cut-off events. [2021-03-26 05:16:08,185 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 05:16:08,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 43 events. 6/43 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 1 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 64. Up to 6 conditions per place. [2021-03-26 05:16:08,188 INFO L132 encePairwiseOnDemand]: 79/82 looper letters, 2 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2021-03-26 05:16:08,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 38 transitions, 132 flow [2021-03-26 05:16:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 05:16:08,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 05:16:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2021-03-26 05:16:08,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9227642276422764 [2021-03-26 05:16:08,201 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 227 transitions. [2021-03-26 05:16:08,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 227 transitions. [2021-03-26 05:16:08,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:08,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 227 transitions. [2021-03-26 05:16:08,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,217 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,219 INFO L185 Difference]: Start difference. First operand has 53 places, 38 transitions, 124 flow. Second operand 3 states and 227 transitions. [2021-03-26 05:16:08,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 38 transitions, 132 flow [2021-03-26 05:16:08,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 38 transitions, 97 flow, removed 0 selfloop flow, removed 13 redundant places. [2021-03-26 05:16:08,227 INFO L241 Difference]: Finished difference. Result has 43 places, 38 transitions, 97 flow [2021-03-26 05:16:08,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=43, PETRI_TRANSITIONS=38} [2021-03-26 05:16:08,230 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, -10 predicate places. [2021-03-26 05:16:08,230 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:08,230 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 38 transitions, 97 flow [2021-03-26 05:16:08,231 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 38 transitions, 97 flow [2021-03-26 05:16:08,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 97 flow [2021-03-26 05:16:08,246 INFO L129 PetriNetUnfolder]: 4/38 cut-off events. [2021-03-26 05:16:08,246 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 05:16:08,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 38 events. 4/38 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 39. Up to 3 conditions per place. [2021-03-26 05:16:08,249 INFO L142 LiptonReduction]: Number of co-enabled transitions 668 [2021-03-26 05:16:08,313 INFO L154 LiptonReduction]: Checked pairs total: 773 [2021-03-26 05:16:08,313 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:16:08,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-03-26 05:16:08,317 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 36 transitions, 93 flow [2021-03-26 05:16:08,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:08,318 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:08,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 05:16:08,319 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:08,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:08,319 INFO L82 PathProgramCache]: Analyzing trace with hash 2133907847, now seen corresponding path program 1 times [2021-03-26 05:16:08,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:08,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536884036] [2021-03-26 05:16:08,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:08,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:16:08,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 05:16:08,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:16:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:08,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536884036] [2021-03-26 05:16:08,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:08,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 05:16:08,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897318045] [2021-03-26 05:16:08,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 05:16:08,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:08,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 05:16:08,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 05:16:08,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 84 [2021-03-26 05:16:08,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:08,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 84 [2021-03-26 05:16:08,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:08,401 INFO L129 PetriNetUnfolder]: 6/41 cut-off events. [2021-03-26 05:16:08,401 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 05:16:08,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 41 events. 6/41 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 1 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 48. Up to 6 conditions per place. [2021-03-26 05:16:08,403 INFO L132 encePairwiseOnDemand]: 81/84 looper letters, 2 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2021-03-26 05:16:08,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 36 transitions, 101 flow [2021-03-26 05:16:08,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 05:16:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 05:16:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2021-03-26 05:16:08,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9246031746031746 [2021-03-26 05:16:08,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 233 transitions. [2021-03-26 05:16:08,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 233 transitions. [2021-03-26 05:16:08,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:08,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 233 transitions. [2021-03-26 05:16:08,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,413 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,413 INFO L185 Difference]: Start difference. First operand has 41 places, 36 transitions, 93 flow. Second operand 3 states and 233 transitions. [2021-03-26 05:16:08,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 36 transitions, 101 flow [2021-03-26 05:16:08,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 36 transitions, 97 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 05:16:08,415 INFO L241 Difference]: Finished difference. Result has 42 places, 36 transitions, 97 flow [2021-03-26 05:16:08,415 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=42, PETRI_TRANSITIONS=36} [2021-03-26 05:16:08,415 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, -11 predicate places. [2021-03-26 05:16:08,416 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:08,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 36 transitions, 97 flow [2021-03-26 05:16:08,416 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 36 transitions, 97 flow [2021-03-26 05:16:08,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 36 transitions, 97 flow [2021-03-26 05:16:08,434 INFO L129 PetriNetUnfolder]: 4/36 cut-off events. [2021-03-26 05:16:08,434 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 05:16:08,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 36 events. 4/36 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 39. Up to 3 conditions per place. [2021-03-26 05:16:08,435 INFO L142 LiptonReduction]: Number of co-enabled transitions 584 [2021-03-26 05:16:08,488 INFO L154 LiptonReduction]: Checked pairs total: 503 [2021-03-26 05:16:08,488 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:16:08,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 05:16:08,490 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 93 flow [2021-03-26 05:16:08,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,491 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:08,491 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:08,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 05:16:08,491 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:08,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:08,492 INFO L82 PathProgramCache]: Analyzing trace with hash 577050863, now seen corresponding path program 1 times [2021-03-26 05:16:08,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:08,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373550035] [2021-03-26 05:16:08,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:08,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:16:08,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 05:16:08,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:16:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:08,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373550035] [2021-03-26 05:16:08,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:08,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 05:16:08,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722776463] [2021-03-26 05:16:08,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 05:16:08,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:08,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 05:16:08,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 05:16:08,541 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 86 [2021-03-26 05:16:08,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:08,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 86 [2021-03-26 05:16:08,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:08,550 INFO L129 PetriNetUnfolder]: 6/38 cut-off events. [2021-03-26 05:16:08,550 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 05:16:08,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 38 events. 6/38 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 1 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 48. Up to 6 conditions per place. [2021-03-26 05:16:08,553 INFO L132 encePairwiseOnDemand]: 83/86 looper letters, 2 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2021-03-26 05:16:08,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 101 flow [2021-03-26 05:16:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 05:16:08,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 05:16:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2021-03-26 05:16:08,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9147286821705426 [2021-03-26 05:16:08,554 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 236 transitions. [2021-03-26 05:16:08,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 236 transitions. [2021-03-26 05:16:08,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:08,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 236 transitions. [2021-03-26 05:16:08,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,557 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,557 INFO L185 Difference]: Start difference. First operand has 40 places, 34 transitions, 93 flow. Second operand 3 states and 236 transitions. [2021-03-26 05:16:08,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 101 flow [2021-03-26 05:16:08,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 34 transitions, 97 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 05:16:08,558 INFO L241 Difference]: Finished difference. Result has 41 places, 34 transitions, 97 flow [2021-03-26 05:16:08,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=41, PETRI_TRANSITIONS=34} [2021-03-26 05:16:08,558 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, -12 predicate places. [2021-03-26 05:16:08,558 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:08,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 34 transitions, 97 flow [2021-03-26 05:16:08,558 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 34 transitions, 97 flow [2021-03-26 05:16:08,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 34 transitions, 97 flow [2021-03-26 05:16:08,562 INFO L129 PetriNetUnfolder]: 4/34 cut-off events. [2021-03-26 05:16:08,562 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 05:16:08,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 34 events. 4/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 39. Up to 3 conditions per place. [2021-03-26 05:16:08,563 INFO L142 LiptonReduction]: Number of co-enabled transitions 502 [2021-03-26 05:16:08,617 INFO L154 LiptonReduction]: Checked pairs total: 257 [2021-03-26 05:16:08,617 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:16:08,617 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-26 05:16:08,622 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 93 flow [2021-03-26 05:16:08,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:08,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:08,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:08,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 05:16:08,623 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:08,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1895625699, now seen corresponding path program 1 times [2021-03-26 05:16:08,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:08,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973078964] [2021-03-26 05:16:08,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:08,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:08,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:08,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:08,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:08,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:08,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:08,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:08,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:08,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:08,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:08,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:08,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:08,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:08,966 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:08,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:08,996 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:08,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:09,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973078964] [2021-03-26 05:16:09,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:09,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 05:16:09,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253496198] [2021-03-26 05:16:09,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 05:16:09,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:09,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 05:16:09,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-03-26 05:16:09,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 88 [2021-03-26 05:16:09,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 93 flow. Second operand has 13 states, 13 states have (on average 49.23076923076923) internal successors, (640), 13 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:09,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 88 [2021-03-26 05:16:09,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:09,610 INFO L129 PetriNetUnfolder]: 336/635 cut-off events. [2021-03-26 05:16:09,611 INFO L130 PetriNetUnfolder]: For 295/295 co-relation queries the response was YES. [2021-03-26 05:16:09,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1417 conditions, 635 events. 336/635 cut-off events. For 295/295 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2976 event pairs, 49 based on Foata normal form. 1/567 useless extension candidates. Maximal degree in co-relation 1385. Up to 349 conditions per place. [2021-03-26 05:16:09,615 INFO L132 encePairwiseOnDemand]: 74/88 looper letters, 31 selfloop transitions, 49 changer transitions 0/98 dead transitions. [2021-03-26 05:16:09,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 98 transitions, 482 flow [2021-03-26 05:16:09,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:16:09,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:16:09,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 801 transitions. [2021-03-26 05:16:09,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6068181818181818 [2021-03-26 05:16:09,621 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 801 transitions. [2021-03-26 05:16:09,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 801 transitions. [2021-03-26 05:16:09,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:09,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 801 transitions. [2021-03-26 05:16:09,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.4) internal successors, (801), 15 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 88.0) internal successors, (1408), 16 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,627 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 88.0) internal successors, (1408), 16 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,627 INFO L185 Difference]: Start difference. First operand has 39 places, 32 transitions, 93 flow. Second operand 15 states and 801 transitions. [2021-03-26 05:16:09,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 98 transitions, 482 flow [2021-03-26 05:16:09,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 98 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 05:16:09,631 INFO L241 Difference]: Finished difference. Result has 56 places, 80 transitions, 394 flow [2021-03-26 05:16:09,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=394, PETRI_PLACES=56, PETRI_TRANSITIONS=80} [2021-03-26 05:16:09,631 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 3 predicate places. [2021-03-26 05:16:09,631 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:09,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 80 transitions, 394 flow [2021-03-26 05:16:09,632 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 80 transitions, 394 flow [2021-03-26 05:16:09,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 80 transitions, 394 flow [2021-03-26 05:16:09,659 INFO L129 PetriNetUnfolder]: 203/454 cut-off events. [2021-03-26 05:16:09,659 INFO L130 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2021-03-26 05:16:09,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 454 events. 203/454 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2201 event pairs, 51 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 920. Up to 195 conditions per place. [2021-03-26 05:16:09,665 INFO L142 LiptonReduction]: Number of co-enabled transitions 786 [2021-03-26 05:16:09,724 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-26 05:16:09,724 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:16:09,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-03-26 05:16:09,725 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 80 transitions, 396 flow [2021-03-26 05:16:09,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 49.23076923076923) internal successors, (640), 13 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,726 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:09,726 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:09,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 05:16:09,726 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:09,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:09,727 INFO L82 PathProgramCache]: Analyzing trace with hash -2139478135, now seen corresponding path program 1 times [2021-03-26 05:16:09,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:09,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568100897] [2021-03-26 05:16:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:09,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:16:09,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 05:16:09,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:16:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:09,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568100897] [2021-03-26 05:16:09,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:09,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 05:16:09,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261864872] [2021-03-26 05:16:09,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 05:16:09,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:09,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 05:16:09,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 05:16:09,743 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 90 [2021-03-26 05:16:09,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 80 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:09,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 90 [2021-03-26 05:16:09,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:09,771 INFO L129 PetriNetUnfolder]: 146/307 cut-off events. [2021-03-26 05:16:09,771 INFO L130 PetriNetUnfolder]: For 193/195 co-relation queries the response was YES. [2021-03-26 05:16:09,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 307 events. 146/307 cut-off events. For 193/195 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1307 event pairs, 24 based on Foata normal form. 3/260 useless extension candidates. Maximal degree in co-relation 763. Up to 158 conditions per place. [2021-03-26 05:16:09,774 INFO L132 encePairwiseOnDemand]: 86/90 looper letters, 8 selfloop transitions, 7 changer transitions 0/78 dead transitions. [2021-03-26 05:16:09,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 78 transitions, 418 flow [2021-03-26 05:16:09,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 05:16:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 05:16:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2021-03-26 05:16:09,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9037037037037037 [2021-03-26 05:16:09,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 244 transitions. [2021-03-26 05:16:09,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 244 transitions. [2021-03-26 05:16:09,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:09,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 244 transitions. [2021-03-26 05:16:09,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,777 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,778 INFO L185 Difference]: Start difference. First operand has 56 places, 80 transitions, 396 flow. Second operand 3 states and 244 transitions. [2021-03-26 05:16:09,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 78 transitions, 418 flow [2021-03-26 05:16:09,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 78 transitions, 399 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-26 05:16:09,782 INFO L241 Difference]: Finished difference. Result has 58 places, 78 transitions, 392 flow [2021-03-26 05:16:09,782 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=58, PETRI_TRANSITIONS=78} [2021-03-26 05:16:09,782 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 5 predicate places. [2021-03-26 05:16:09,782 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:09,782 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 78 transitions, 392 flow [2021-03-26 05:16:09,782 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 78 transitions, 392 flow [2021-03-26 05:16:09,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 78 transitions, 392 flow [2021-03-26 05:16:09,802 INFO L129 PetriNetUnfolder]: 130/306 cut-off events. [2021-03-26 05:16:09,802 INFO L130 PetriNetUnfolder]: For 96/96 co-relation queries the response was YES. [2021-03-26 05:16:09,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 306 events. 130/306 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1367 event pairs, 15 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 687. Up to 135 conditions per place. [2021-03-26 05:16:09,806 INFO L142 LiptonReduction]: Number of co-enabled transitions 630 [2021-03-26 05:16:09,814 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:09,815 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:09,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 05:16:09,815 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 78 transitions, 392 flow [2021-03-26 05:16:09,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:09,816 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:09,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 05:16:09,816 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:09,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:09,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1492694426, now seen corresponding path program 1 times [2021-03-26 05:16:09,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:09,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428720176] [2021-03-26 05:16:09,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:09,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:09,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:09,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:09,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:09,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:09,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:09,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:09,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:09,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:09,929 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:09,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:09,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:09,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:09,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428720176] [2021-03-26 05:16:09,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:09,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:09,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895911275] [2021-03-26 05:16:09,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:09,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:09,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:09,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:09,955 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 90 [2021-03-26 05:16:09,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 78 transitions, 392 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:09,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:09,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 90 [2021-03-26 05:16:09,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:10,212 INFO L129 PetriNetUnfolder]: 241/468 cut-off events. [2021-03-26 05:16:10,212 INFO L130 PetriNetUnfolder]: For 458/476 co-relation queries the response was YES. [2021-03-26 05:16:10,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1502 conditions, 468 events. 241/468 cut-off events. For 458/476 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2101 event pairs, 23 based on Foata normal form. 14/433 useless extension candidates. Maximal degree in co-relation 1471. Up to 257 conditions per place. [2021-03-26 05:16:10,217 INFO L132 encePairwiseOnDemand]: 76/90 looper letters, 29 selfloop transitions, 48 changer transitions 11/106 dead transitions. [2021-03-26 05:16:10,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 106 transitions, 723 flow [2021-03-26 05:16:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:16:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:16:10,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 546 transitions. [2021-03-26 05:16:10,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-26 05:16:10,220 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 546 transitions. [2021-03-26 05:16:10,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 546 transitions. [2021-03-26 05:16:10,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:10,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 546 transitions. [2021-03-26 05:16:10,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.6) internal successors, (546), 10 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:10,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 90.0) internal successors, (990), 11 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:10,223 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 90.0) internal successors, (990), 11 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:10,223 INFO L185 Difference]: Start difference. First operand has 58 places, 78 transitions, 392 flow. Second operand 10 states and 546 transitions. [2021-03-26 05:16:10,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 106 transitions, 723 flow [2021-03-26 05:16:10,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 106 transitions, 707 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 05:16:10,227 INFO L241 Difference]: Finished difference. Result has 66 places, 84 transitions, 537 flow [2021-03-26 05:16:10,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=537, PETRI_PLACES=66, PETRI_TRANSITIONS=84} [2021-03-26 05:16:10,228 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 13 predicate places. [2021-03-26 05:16:10,228 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:10,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 84 transitions, 537 flow [2021-03-26 05:16:10,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 84 transitions, 537 flow [2021-03-26 05:16:10,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 84 transitions, 537 flow [2021-03-26 05:16:10,248 INFO L129 PetriNetUnfolder]: 131/282 cut-off events. [2021-03-26 05:16:10,248 INFO L130 PetriNetUnfolder]: For 153/161 co-relation queries the response was YES. [2021-03-26 05:16:10,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 867 conditions, 282 events. 131/282 cut-off events. For 153/161 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1227 event pairs, 17 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 840. Up to 156 conditions per place. [2021-03-26 05:16:10,252 INFO L142 LiptonReduction]: Number of co-enabled transitions 554 [2021-03-26 05:16:10,261 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:10,262 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:10,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-26 05:16:10,263 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 84 transitions, 537 flow [2021-03-26 05:16:10,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:10,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:10,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:10,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 05:16:10,263 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:10,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:10,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1295965214, now seen corresponding path program 1 times [2021-03-26 05:16:10,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:10,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010460192] [2021-03-26 05:16:10,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:10,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:10,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:10,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:10,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:10,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:10,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:10,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:10,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:10,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:10,391 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:10,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:10,410 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:10,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:10,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010460192] [2021-03-26 05:16:10,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:10,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:10,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045669609] [2021-03-26 05:16:10,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:10,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:10,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:10,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:10,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 90 [2021-03-26 05:16:10,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 84 transitions, 537 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:10,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:10,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 90 [2021-03-26 05:16:10,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:10,729 INFO L129 PetriNetUnfolder]: 244/482 cut-off events. [2021-03-26 05:16:10,730 INFO L130 PetriNetUnfolder]: For 549/557 co-relation queries the response was YES. [2021-03-26 05:16:10,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1719 conditions, 482 events. 244/482 cut-off events. For 549/557 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2223 event pairs, 26 based on Foata normal form. 9/443 useless extension candidates. Maximal degree in co-relation 1678. Up to 251 conditions per place. [2021-03-26 05:16:10,734 INFO L132 encePairwiseOnDemand]: 76/90 looper letters, 29 selfloop transitions, 71 changer transitions 0/118 dead transitions. [2021-03-26 05:16:10,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 118 transitions, 956 flow [2021-03-26 05:16:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:10,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 05:16:10,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6008547008547008 [2021-03-26 05:16:10,737 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 05:16:10,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 05:16:10,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:10,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 05:16:10,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:10,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 90.0) internal successors, (1260), 14 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:10,741 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 90.0) internal successors, (1260), 14 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:10,741 INFO L185 Difference]: Start difference. First operand has 61 places, 84 transitions, 537 flow. Second operand 13 states and 703 transitions. [2021-03-26 05:16:10,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 118 transitions, 956 flow [2021-03-26 05:16:10,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 118 transitions, 902 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 05:16:10,745 INFO L241 Difference]: Finished difference. Result has 71 places, 103 transitions, 805 flow [2021-03-26 05:16:10,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=805, PETRI_PLACES=71, PETRI_TRANSITIONS=103} [2021-03-26 05:16:10,746 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 18 predicate places. [2021-03-26 05:16:10,746 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:10,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 103 transitions, 805 flow [2021-03-26 05:16:10,746 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 103 transitions, 805 flow [2021-03-26 05:16:10,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 103 transitions, 805 flow [2021-03-26 05:16:10,769 INFO L129 PetriNetUnfolder]: 173/387 cut-off events. [2021-03-26 05:16:10,769 INFO L130 PetriNetUnfolder]: For 259/259 co-relation queries the response was YES. [2021-03-26 05:16:10,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1272 conditions, 387 events. 173/387 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1887 event pairs, 14 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 1236. Up to 193 conditions per place. [2021-03-26 05:16:10,774 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 05:16:10,837 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 05:16:10,837 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:10,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-03-26 05:16:10,839 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 103 transitions, 808 flow [2021-03-26 05:16:10,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:10,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:10,841 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:10,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 05:16:10,841 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:10,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:10,841 INFO L82 PathProgramCache]: Analyzing trace with hash -449041678, now seen corresponding path program 2 times [2021-03-26 05:16:10,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:10,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689348279] [2021-03-26 05:16:10,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:10,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:10,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:10,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:10,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:10,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:10,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:10,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:10,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:10,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:10,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:11,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:11,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:11,036 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:11,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:11,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689348279] [2021-03-26 05:16:11,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:11,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:16:11,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543755915] [2021-03-26 05:16:11,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:16:11,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:11,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:16:11,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:16:11,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 91 [2021-03-26 05:16:11,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 103 transitions, 808 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:11,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:11,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 91 [2021-03-26 05:16:11,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:11,431 INFO L129 PetriNetUnfolder]: 286/582 cut-off events. [2021-03-26 05:16:11,431 INFO L130 PetriNetUnfolder]: For 790/798 co-relation queries the response was YES. [2021-03-26 05:16:11,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 582 events. 286/582 cut-off events. For 790/798 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2866 event pairs, 25 based on Foata normal form. 9/519 useless extension candidates. Maximal degree in co-relation 2170. Up to 284 conditions per place. [2021-03-26 05:16:11,437 INFO L132 encePairwiseOnDemand]: 76/91 looper letters, 55 selfloop transitions, 76 changer transitions 0/149 dead transitions. [2021-03-26 05:16:11,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 149 transitions, 1432 flow [2021-03-26 05:16:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 05:16:11,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5959425190194421 [2021-03-26 05:16:11,440 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 05:16:11,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 05:16:11,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:11,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 05:16:11,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:11,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 91.0) internal successors, (1274), 14 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:11,443 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 91.0) internal successors, (1274), 14 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:11,444 INFO L185 Difference]: Start difference. First operand has 71 places, 103 transitions, 808 flow. Second operand 13 states and 705 transitions. [2021-03-26 05:16:11,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 149 transitions, 1432 flow [2021-03-26 05:16:11,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 149 transitions, 1373 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-26 05:16:11,452 INFO L241 Difference]: Finished difference. Result has 86 places, 135 transitions, 1295 flow [2021-03-26 05:16:11,452 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1295, PETRI_PLACES=86, PETRI_TRANSITIONS=135} [2021-03-26 05:16:11,453 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 33 predicate places. [2021-03-26 05:16:11,453 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:11,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 135 transitions, 1295 flow [2021-03-26 05:16:11,453 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 135 transitions, 1295 flow [2021-03-26 05:16:11,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 135 transitions, 1295 flow [2021-03-26 05:16:11,481 INFO L129 PetriNetUnfolder]: 177/415 cut-off events. [2021-03-26 05:16:11,481 INFO L130 PetriNetUnfolder]: For 521/527 co-relation queries the response was YES. [2021-03-26 05:16:11,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1587 conditions, 415 events. 177/415 cut-off events. For 521/527 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2118 event pairs, 12 based on Foata normal form. 0/362 useless extension candidates. Maximal degree in co-relation 1537. Up to 189 conditions per place. [2021-03-26 05:16:11,487 INFO L142 LiptonReduction]: Number of co-enabled transitions 860 [2021-03-26 05:16:11,551 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 05:16:11,551 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:16:11,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 98 [2021-03-26 05:16:11,553 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 135 transitions, 1299 flow [2021-03-26 05:16:11,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:11,553 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:11,554 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:11,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 05:16:11,554 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:11,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:11,554 INFO L82 PathProgramCache]: Analyzing trace with hash -392933874, now seen corresponding path program 1 times [2021-03-26 05:16:11,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:11,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150262781] [2021-03-26 05:16:11,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:11,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:11,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:11,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:11,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:11,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:11,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:11,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:11,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:11,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:11,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:11,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:11,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:11,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:11,669 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:11,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:11,684 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:11,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:11,704 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:11,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:11,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150262781] [2021-03-26 05:16:11,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:11,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:11,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367234774] [2021-03-26 05:16:11,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:11,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:11,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:11,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:11,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:11,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 135 transitions, 1299 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:11,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:11,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:11,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:12,074 INFO L129 PetriNetUnfolder]: 308/624 cut-off events. [2021-03-26 05:16:12,075 INFO L130 PetriNetUnfolder]: For 1291/1361 co-relation queries the response was YES. [2021-03-26 05:16:12,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2803 conditions, 624 events. 308/624 cut-off events. For 1291/1361 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3196 event pairs, 14 based on Foata normal form. 24/575 useless extension candidates. Maximal degree in co-relation 2745. Up to 359 conditions per place. [2021-03-26 05:16:12,082 INFO L132 encePairwiseOnDemand]: 76/93 looper letters, 104 selfloop transitions, 53 changer transitions 1/176 dead transitions. [2021-03-26 05:16:12,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 176 transitions, 1982 flow [2021-03-26 05:16:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:12,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 05:16:12,084 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5732009925558312 [2021-03-26 05:16:12,085 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 05:16:12,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 05:16:12,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:12,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 05:16:12,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,089 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,089 INFO L185 Difference]: Start difference. First operand has 86 places, 135 transitions, 1299 flow. Second operand 13 states and 693 transitions. [2021-03-26 05:16:12,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 176 transitions, 1982 flow [2021-03-26 05:16:12,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 176 transitions, 1904 flow, removed 36 selfloop flow, removed 1 redundant places. [2021-03-26 05:16:12,102 INFO L241 Difference]: Finished difference. Result has 103 places, 161 transitions, 1691 flow [2021-03-26 05:16:12,103 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=1221, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1691, PETRI_PLACES=103, PETRI_TRANSITIONS=161} [2021-03-26 05:16:12,103 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 50 predicate places. [2021-03-26 05:16:12,103 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:12,103 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 161 transitions, 1691 flow [2021-03-26 05:16:12,103 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 161 transitions, 1691 flow [2021-03-26 05:16:12,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 161 transitions, 1691 flow [2021-03-26 05:16:12,141 INFO L129 PetriNetUnfolder]: 241/535 cut-off events. [2021-03-26 05:16:12,142 INFO L130 PetriNetUnfolder]: For 1172/1173 co-relation queries the response was YES. [2021-03-26 05:16:12,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2370 conditions, 535 events. 241/535 cut-off events. For 1172/1173 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2830 event pairs, 17 based on Foata normal form. 0/469 useless extension candidates. Maximal degree in co-relation 2335. Up to 232 conditions per place. [2021-03-26 05:16:12,149 INFO L142 LiptonReduction]: Number of co-enabled transitions 934 [2021-03-26 05:16:12,158 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:12,159 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:12,159 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 05:16:12,159 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 161 transitions, 1691 flow [2021-03-26 05:16:12,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,160 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:12,160 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:12,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 05:16:12,160 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:12,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:12,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1435974394, now seen corresponding path program 2 times [2021-03-26 05:16:12,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:12,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360775564] [2021-03-26 05:16:12,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:12,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:12,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:12,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:12,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:12,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:12,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:12,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:12,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:12,271 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:12,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:12,291 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:12,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:12,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360775564] [2021-03-26 05:16:12,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:12,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:12,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979631589] [2021-03-26 05:16:12,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:12,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:12,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:12,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:12,296 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:12,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 161 transitions, 1691 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:12,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:12,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:12,680 INFO L129 PetriNetUnfolder]: 314/631 cut-off events. [2021-03-26 05:16:12,680 INFO L130 PetriNetUnfolder]: For 1811/1819 co-relation queries the response was YES. [2021-03-26 05:16:12,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3260 conditions, 631 events. 314/631 cut-off events. For 1811/1819 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3221 event pairs, 21 based on Foata normal form. 9/574 useless extension candidates. Maximal degree in co-relation 3222. Up to 363 conditions per place. [2021-03-26 05:16:12,687 INFO L132 encePairwiseOnDemand]: 76/93 looper letters, 94 selfloop transitions, 93 changer transitions 0/205 dead transitions. [2021-03-26 05:16:12,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 205 transitions, 2544 flow [2021-03-26 05:16:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:12,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 759 transitions. [2021-03-26 05:16:12,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5829493087557603 [2021-03-26 05:16:12,689 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 759 transitions. [2021-03-26 05:16:12,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 759 transitions. [2021-03-26 05:16:12,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:12,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 759 transitions. [2021-03-26 05:16:12,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.214285714285715) internal successors, (759), 14 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,693 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,694 INFO L185 Difference]: Start difference. First operand has 102 places, 161 transitions, 1691 flow. Second operand 14 states and 759 transitions. [2021-03-26 05:16:12,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 205 transitions, 2544 flow [2021-03-26 05:16:12,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 205 transitions, 2465 flow, removed 35 selfloop flow, removed 3 redundant places. [2021-03-26 05:16:12,711 INFO L241 Difference]: Finished difference. Result has 114 places, 191 transitions, 2282 flow [2021-03-26 05:16:12,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=1626, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2282, PETRI_PLACES=114, PETRI_TRANSITIONS=191} [2021-03-26 05:16:12,712 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 61 predicate places. [2021-03-26 05:16:12,712 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:12,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 191 transitions, 2282 flow [2021-03-26 05:16:12,713 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 191 transitions, 2282 flow [2021-03-26 05:16:12,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 191 transitions, 2282 flow [2021-03-26 05:16:12,754 INFO L129 PetriNetUnfolder]: 257/573 cut-off events. [2021-03-26 05:16:12,754 INFO L130 PetriNetUnfolder]: For 1590/1604 co-relation queries the response was YES. [2021-03-26 05:16:12,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2758 conditions, 573 events. 257/573 cut-off events. For 1590/1604 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3067 event pairs, 11 based on Foata normal form. 2/506 useless extension candidates. Maximal degree in co-relation 2687. Up to 254 conditions per place. [2021-03-26 05:16:12,761 INFO L142 LiptonReduction]: Number of co-enabled transitions 1090 [2021-03-26 05:16:12,774 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:12,774 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:12,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 05:16:12,775 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 191 transitions, 2282 flow [2021-03-26 05:16:12,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:12,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:12,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 05:16:12,775 INFO L428 AbstractCegarLoop]: === Iteration 11 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:12,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:12,776 INFO L82 PathProgramCache]: Analyzing trace with hash 483186549, now seen corresponding path program 1 times [2021-03-26 05:16:12,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:12,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804387013] [2021-03-26 05:16:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:12,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:12,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:12,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:12,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:12,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:12,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:12,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:12,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:12,881 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:12,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:12,886 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:12,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:12,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:12,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804387013] [2021-03-26 05:16:12,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:12,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:16:12,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575210473] [2021-03-26 05:16:12,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:16:12,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:12,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:16:12,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:16:12,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:12,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 191 transitions, 2282 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:12,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:12,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:12,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:13,137 INFO L129 PetriNetUnfolder]: 330/684 cut-off events. [2021-03-26 05:16:13,137 INFO L130 PetriNetUnfolder]: For 2197/2205 co-relation queries the response was YES. [2021-03-26 05:16:13,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3584 conditions, 684 events. 330/684 cut-off events. For 2197/2205 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3641 event pairs, 22 based on Foata normal form. 9/612 useless extension candidates. Maximal degree in co-relation 3507. Up to 377 conditions per place. [2021-03-26 05:16:13,144 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 123 selfloop transitions, 68 changer transitions 0/209 dead transitions. [2021-03-26 05:16:13,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 209 transitions, 2841 flow [2021-03-26 05:16:13,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:16:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:16:13,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 498 transitions. [2021-03-26 05:16:13,146 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5949820788530465 [2021-03-26 05:16:13,146 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 498 transitions. [2021-03-26 05:16:13,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 498 transitions. [2021-03-26 05:16:13,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:13,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 498 transitions. [2021-03-26 05:16:13,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 55.333333333333336) internal successors, (498), 9 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 93.0) internal successors, (930), 10 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,149 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 93.0) internal successors, (930), 10 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,149 INFO L185 Difference]: Start difference. First operand has 114 places, 191 transitions, 2282 flow. Second operand 9 states and 498 transitions. [2021-03-26 05:16:13,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 209 transitions, 2841 flow [2021-03-26 05:16:13,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 209 transitions, 2768 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-26 05:16:13,164 INFO L241 Difference]: Finished difference. Result has 120 places, 198 transitions, 2527 flow [2021-03-26 05:16:13,165 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2210, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2527, PETRI_PLACES=120, PETRI_TRANSITIONS=198} [2021-03-26 05:16:13,165 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 67 predicate places. [2021-03-26 05:16:13,165 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:13,165 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 198 transitions, 2527 flow [2021-03-26 05:16:13,165 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 198 transitions, 2527 flow [2021-03-26 05:16:13,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 198 transitions, 2527 flow [2021-03-26 05:16:13,212 INFO L129 PetriNetUnfolder]: 277/615 cut-off events. [2021-03-26 05:16:13,212 INFO L130 PetriNetUnfolder]: For 2109/2121 co-relation queries the response was YES. [2021-03-26 05:16:13,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3066 conditions, 615 events. 277/615 cut-off events. For 2109/2121 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3429 event pairs, 8 based on Foata normal form. 3/533 useless extension candidates. Maximal degree in co-relation 2985. Up to 267 conditions per place. [2021-03-26 05:16:13,220 INFO L142 LiptonReduction]: Number of co-enabled transitions 1178 [2021-03-26 05:16:13,232 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:13,232 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:13,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 05:16:13,233 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 198 transitions, 2527 flow [2021-03-26 05:16:13,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:13,233 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:13,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 05:16:13,234 INFO L428 AbstractCegarLoop]: === Iteration 12 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:13,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:13,234 INFO L82 PathProgramCache]: Analyzing trace with hash -774984861, now seen corresponding path program 2 times [2021-03-26 05:16:13,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:13,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188793253] [2021-03-26 05:16:13,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:13,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:13,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:13,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:13,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:13,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:13,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:13,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:13,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:13,311 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:13,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:13,325 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:13,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188793253] [2021-03-26 05:16:13,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:13,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:16:13,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268665357] [2021-03-26 05:16:13,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:16:13,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:13,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:16:13,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:16:13,331 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:13,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 198 transitions, 2527 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:13,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:13,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:13,583 INFO L129 PetriNetUnfolder]: 338/721 cut-off events. [2021-03-26 05:16:13,583 INFO L130 PetriNetUnfolder]: For 2728/2758 co-relation queries the response was YES. [2021-03-26 05:16:13,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3874 conditions, 721 events. 338/721 cut-off events. For 2728/2758 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3995 event pairs, 25 based on Foata normal form. 17/650 useless extension candidates. Maximal degree in co-relation 3782. Up to 379 conditions per place. [2021-03-26 05:16:13,591 INFO L132 encePairwiseOnDemand]: 77/93 looper letters, 118 selfloop transitions, 84 changer transitions 0/220 dead transitions. [2021-03-26 05:16:13,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 220 transitions, 3137 flow [2021-03-26 05:16:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:16:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:16:13,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 499 transitions. [2021-03-26 05:16:13,593 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5961768219832736 [2021-03-26 05:16:13,593 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 499 transitions. [2021-03-26 05:16:13,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 499 transitions. [2021-03-26 05:16:13,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:13,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 499 transitions. [2021-03-26 05:16:13,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 55.44444444444444) internal successors, (499), 9 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 93.0) internal successors, (930), 10 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,596 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 93.0) internal successors, (930), 10 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,596 INFO L185 Difference]: Start difference. First operand has 120 places, 198 transitions, 2527 flow. Second operand 9 states and 499 transitions. [2021-03-26 05:16:13,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 220 transitions, 3137 flow [2021-03-26 05:16:13,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 220 transitions, 3104 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 05:16:13,618 INFO L241 Difference]: Finished difference. Result has 129 places, 208 transitions, 2926 flow [2021-03-26 05:16:13,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2495, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2926, PETRI_PLACES=129, PETRI_TRANSITIONS=208} [2021-03-26 05:16:13,619 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 76 predicate places. [2021-03-26 05:16:13,619 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:13,619 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 208 transitions, 2926 flow [2021-03-26 05:16:13,619 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 208 transitions, 2926 flow [2021-03-26 05:16:13,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 208 transitions, 2926 flow [2021-03-26 05:16:13,669 INFO L129 PetriNetUnfolder]: 282/640 cut-off events. [2021-03-26 05:16:13,669 INFO L130 PetriNetUnfolder]: For 2467/2472 co-relation queries the response was YES. [2021-03-26 05:16:13,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3365 conditions, 640 events. 282/640 cut-off events. For 2467/2472 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3614 event pairs, 12 based on Foata normal form. 2/553 useless extension candidates. Maximal degree in co-relation 3275. Up to 272 conditions per place. [2021-03-26 05:16:13,679 INFO L142 LiptonReduction]: Number of co-enabled transitions 1282 [2021-03-26 05:16:13,691 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:13,692 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:13,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 05:16:13,692 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 208 transitions, 2926 flow [2021-03-26 05:16:13,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:13,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:13,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 05:16:13,693 INFO L428 AbstractCegarLoop]: === Iteration 13 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:13,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:13,693 INFO L82 PathProgramCache]: Analyzing trace with hash -609627572, now seen corresponding path program 3 times [2021-03-26 05:16:13,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:13,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015294832] [2021-03-26 05:16:13,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:13,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:13,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:13,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:13,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:13,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:13,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:13,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:13,774 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:13,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:13,787 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:13,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:13,804 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:13,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:13,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015294832] [2021-03-26 05:16:13,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:13,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:13,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948951997] [2021-03-26 05:16:13,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:13,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:13,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:13,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:13,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:13,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 208 transitions, 2926 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:13,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:13,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:13,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:14,137 INFO L129 PetriNetUnfolder]: 358/760 cut-off events. [2021-03-26 05:16:14,137 INFO L130 PetriNetUnfolder]: For 3486/3593 co-relation queries the response was YES. [2021-03-26 05:16:14,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4339 conditions, 760 events. 358/760 cut-off events. For 3486/3593 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4253 event pairs, 11 based on Foata normal form. 28/693 useless extension candidates. Maximal degree in co-relation 4243. Up to 424 conditions per place. [2021-03-26 05:16:14,147 INFO L132 encePairwiseOnDemand]: 79/93 looper letters, 182 selfloop transitions, 43 changer transitions 3/246 dead transitions. [2021-03-26 05:16:14,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 246 transitions, 3810 flow [2021-03-26 05:16:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 642 transitions. [2021-03-26 05:16:14,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5752688172043011 [2021-03-26 05:16:14,150 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 642 transitions. [2021-03-26 05:16:14,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 642 transitions. [2021-03-26 05:16:14,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:14,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 642 transitions. [2021-03-26 05:16:14,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.5) internal successors, (642), 12 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,153 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,153 INFO L185 Difference]: Start difference. First operand has 129 places, 208 transitions, 2926 flow. Second operand 12 states and 642 transitions. [2021-03-26 05:16:14,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 246 transitions, 3810 flow [2021-03-26 05:16:14,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 246 transitions, 3750 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 05:16:14,181 INFO L241 Difference]: Finished difference. Result has 141 places, 230 transitions, 3321 flow [2021-03-26 05:16:14,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2866, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3321, PETRI_PLACES=141, PETRI_TRANSITIONS=230} [2021-03-26 05:16:14,181 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 88 predicate places. [2021-03-26 05:16:14,181 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:14,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 230 transitions, 3321 flow [2021-03-26 05:16:14,182 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 230 transitions, 3321 flow [2021-03-26 05:16:14,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 230 transitions, 3321 flow [2021-03-26 05:16:14,236 INFO L129 PetriNetUnfolder]: 289/644 cut-off events. [2021-03-26 05:16:14,236 INFO L130 PetriNetUnfolder]: For 3176/3204 co-relation queries the response was YES. [2021-03-26 05:16:14,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3563 conditions, 644 events. 289/644 cut-off events. For 3176/3204 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3713 event pairs, 12 based on Foata normal form. 12/570 useless extension candidates. Maximal degree in co-relation 3505. Up to 283 conditions per place. [2021-03-26 05:16:14,246 INFO L142 LiptonReduction]: Number of co-enabled transitions 1316 [2021-03-26 05:16:14,261 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:14,261 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:14,261 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-03-26 05:16:14,262 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 230 transitions, 3321 flow [2021-03-26 05:16:14,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:14,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:14,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 05:16:14,262 INFO L428 AbstractCegarLoop]: === Iteration 14 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:14,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:14,262 INFO L82 PathProgramCache]: Analyzing trace with hash -2014106143, now seen corresponding path program 3 times [2021-03-26 05:16:14,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:14,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130136248] [2021-03-26 05:16:14,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:14,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:14,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:14,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:14,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,344 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:14,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:14,358 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:14,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:14,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130136248] [2021-03-26 05:16:14,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:14,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:14,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870805868] [2021-03-26 05:16:14,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:14,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:14,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:14,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:14,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:14,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 230 transitions, 3321 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:14,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:14,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:14,673 INFO L129 PetriNetUnfolder]: 351/742 cut-off events. [2021-03-26 05:16:14,673 INFO L130 PetriNetUnfolder]: For 4040/4088 co-relation queries the response was YES. [2021-03-26 05:16:14,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4505 conditions, 742 events. 351/742 cut-off events. For 4040/4088 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4133 event pairs, 14 based on Foata normal form. 20/673 useless extension candidates. Maximal degree in co-relation 4444. Up to 377 conditions per place. [2021-03-26 05:16:14,683 INFO L132 encePairwiseOnDemand]: 77/93 looper letters, 104 selfloop transitions, 77 changer transitions 45/244 dead transitions. [2021-03-26 05:16:14,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 244 transitions, 3881 flow [2021-03-26 05:16:14,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:16:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:16:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 552 transitions. [2021-03-26 05:16:14,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5935483870967742 [2021-03-26 05:16:14,685 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 552 transitions. [2021-03-26 05:16:14,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 552 transitions. [2021-03-26 05:16:14,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:14,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 552 transitions. [2021-03-26 05:16:14,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 55.2) internal successors, (552), 10 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,690 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,690 INFO L185 Difference]: Start difference. First operand has 139 places, 230 transitions, 3321 flow. Second operand 10 states and 552 transitions. [2021-03-26 05:16:14,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 244 transitions, 3881 flow [2021-03-26 05:16:14,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 244 transitions, 3673 flow, removed 97 selfloop flow, removed 3 redundant places. [2021-03-26 05:16:14,730 INFO L241 Difference]: Finished difference. Result has 147 places, 188 transitions, 2684 flow [2021-03-26 05:16:14,731 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3113, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2684, PETRI_PLACES=147, PETRI_TRANSITIONS=188} [2021-03-26 05:16:14,731 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 94 predicate places. [2021-03-26 05:16:14,731 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:14,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 188 transitions, 2684 flow [2021-03-26 05:16:14,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 188 transitions, 2684 flow [2021-03-26 05:16:14,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 188 transitions, 2684 flow [2021-03-26 05:16:14,777 INFO L129 PetriNetUnfolder]: 259/558 cut-off events. [2021-03-26 05:16:14,777 INFO L130 PetriNetUnfolder]: For 3473/3494 co-relation queries the response was YES. [2021-03-26 05:16:14,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3231 conditions, 558 events. 259/558 cut-off events. For 3473/3494 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2896 event pairs, 8 based on Foata normal form. 9/496 useless extension candidates. Maximal degree in co-relation 3140. Up to 226 conditions per place. [2021-03-26 05:16:14,785 INFO L142 LiptonReduction]: Number of co-enabled transitions 902 [2021-03-26 05:16:14,795 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:14,795 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:14,796 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 05:16:14,797 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 188 transitions, 2684 flow [2021-03-26 05:16:14,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,798 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:14,798 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:14,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 05:16:14,798 INFO L428 AbstractCegarLoop]: === Iteration 15 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:14,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:14,798 INFO L82 PathProgramCache]: Analyzing trace with hash 2100119840, now seen corresponding path program 4 times [2021-03-26 05:16:14,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:14,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747925581] [2021-03-26 05:16:14,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:14,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:14,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:14,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:14,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:14,932 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:14,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:14,956 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:14,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:14,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747925581] [2021-03-26 05:16:14,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:14,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:14,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218284166] [2021-03-26 05:16:14,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:14,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:14,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:14,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:14,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:14,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 188 transitions, 2684 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:14,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:14,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:14,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:15,308 INFO L129 PetriNetUnfolder]: 317/639 cut-off events. [2021-03-26 05:16:15,308 INFO L130 PetriNetUnfolder]: For 4372/4479 co-relation queries the response was YES. [2021-03-26 05:16:15,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4053 conditions, 639 events. 317/639 cut-off events. For 4372/4479 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3279 event pairs, 14 based on Foata normal form. 28/597 useless extension candidates. Maximal degree in co-relation 3957. Up to 385 conditions per place. [2021-03-26 05:16:15,316 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 128 selfloop transitions, 58 changer transitions 0/204 dead transitions. [2021-03-26 05:16:15,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 204 transitions, 3199 flow [2021-03-26 05:16:15,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 05:16:15,318 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5732009925558312 [2021-03-26 05:16:15,318 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 05:16:15,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 05:16:15,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:15,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 05:16:15,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:15,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:15,321 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:15,321 INFO L185 Difference]: Start difference. First operand has 138 places, 188 transitions, 2684 flow. Second operand 13 states and 693 transitions. [2021-03-26 05:16:15,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 204 transitions, 3199 flow [2021-03-26 05:16:15,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 204 transitions, 2599 flow, removed 31 selfloop flow, removed 29 redundant places. [2021-03-26 05:16:15,346 INFO L241 Difference]: Finished difference. Result has 124 places, 192 transitions, 2325 flow [2021-03-26 05:16:15,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2325, PETRI_PLACES=124, PETRI_TRANSITIONS=192} [2021-03-26 05:16:15,346 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 71 predicate places. [2021-03-26 05:16:15,346 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:15,346 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 192 transitions, 2325 flow [2021-03-26 05:16:15,347 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 192 transitions, 2325 flow [2021-03-26 05:16:15,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 192 transitions, 2325 flow [2021-03-26 05:16:15,388 INFO L129 PetriNetUnfolder]: 261/557 cut-off events. [2021-03-26 05:16:15,388 INFO L130 PetriNetUnfolder]: For 2400/2419 co-relation queries the response was YES. [2021-03-26 05:16:15,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2800 conditions, 557 events. 261/557 cut-off events. For 2400/2419 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2982 event pairs, 13 based on Foata normal form. 5/489 useless extension candidates. Maximal degree in co-relation 2724. Up to 218 conditions per place. [2021-03-26 05:16:15,396 INFO L142 LiptonReduction]: Number of co-enabled transitions 950 [2021-03-26 05:16:15,405 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:15,405 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:15,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-26 05:16:15,408 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 192 transitions, 2325 flow [2021-03-26 05:16:15,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:15,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:15,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:15,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 05:16:15,408 INFO L428 AbstractCegarLoop]: === Iteration 16 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:15,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:15,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1428211444, now seen corresponding path program 5 times [2021-03-26 05:16:15,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:15,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341021910] [2021-03-26 05:16:15,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:15,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:15,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:15,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:15,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:15,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:15,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:15,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:15,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:15,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:15,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:15,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:15,516 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:15,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:15,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:15,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:15,552 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:15,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:15,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341021910] [2021-03-26 05:16:15,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:15,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:15,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520514197] [2021-03-26 05:16:15,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:15,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:15,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:15,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:15,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:15,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 192 transitions, 2325 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:15,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:15,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:15,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:15,873 INFO L129 PetriNetUnfolder]: 328/671 cut-off events. [2021-03-26 05:16:15,873 INFO L130 PetriNetUnfolder]: For 3010/3117 co-relation queries the response was YES. [2021-03-26 05:16:15,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3813 conditions, 671 events. 328/671 cut-off events. For 3010/3117 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3502 event pairs, 15 based on Foata normal form. 34/630 useless extension candidates. Maximal degree in co-relation 3730. Up to 411 conditions per place. [2021-03-26 05:16:15,881 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 149 selfloop transitions, 48 changer transitions 2/217 dead transitions. [2021-03-26 05:16:15,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 217 transitions, 3013 flow [2021-03-26 05:16:15,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:15,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 633 transitions. [2021-03-26 05:16:15,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5672043010752689 [2021-03-26 05:16:15,884 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 633 transitions. [2021-03-26 05:16:15,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 633 transitions. [2021-03-26 05:16:15,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:15,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 633 transitions. [2021-03-26 05:16:15,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.75) internal successors, (633), 12 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:15,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:15,887 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:15,888 INFO L185 Difference]: Start difference. First operand has 124 places, 192 transitions, 2325 flow. Second operand 12 states and 633 transitions. [2021-03-26 05:16:15,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 217 transitions, 3013 flow [2021-03-26 05:16:15,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 217 transitions, 2924 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-03-26 05:16:15,906 INFO L241 Difference]: Finished difference. Result has 132 places, 205 transitions, 2604 flow [2021-03-26 05:16:15,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2246, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2604, PETRI_PLACES=132, PETRI_TRANSITIONS=205} [2021-03-26 05:16:15,907 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 79 predicate places. [2021-03-26 05:16:15,907 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:15,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 205 transitions, 2604 flow [2021-03-26 05:16:15,907 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 205 transitions, 2604 flow [2021-03-26 05:16:15,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 205 transitions, 2604 flow [2021-03-26 05:16:15,965 INFO L129 PetriNetUnfolder]: 266/575 cut-off events. [2021-03-26 05:16:15,965 INFO L130 PetriNetUnfolder]: For 2673/2699 co-relation queries the response was YES. [2021-03-26 05:16:15,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2996 conditions, 575 events. 266/575 cut-off events. For 2673/2699 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3119 event pairs, 13 based on Foata normal form. 5/508 useless extension candidates. Maximal degree in co-relation 2909. Up to 226 conditions per place. [2021-03-26 05:16:15,971 INFO L142 LiptonReduction]: Number of co-enabled transitions 1036 [2021-03-26 05:16:15,981 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:15,981 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:15,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-03-26 05:16:15,982 INFO L480 AbstractCegarLoop]: Abstraction has has 131 places, 205 transitions, 2604 flow [2021-03-26 05:16:15,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:15,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:15,983 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:15,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 05:16:15,983 INFO L428 AbstractCegarLoop]: === Iteration 17 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:15,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:15,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1812811616, now seen corresponding path program 6 times [2021-03-26 05:16:15,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:15,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006662809] [2021-03-26 05:16:15,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:16,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:16,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:16,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:16,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:16,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:16,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:16,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:16,076 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:16,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:16,092 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:16,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:16,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006662809] [2021-03-26 05:16:16,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:16,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:16,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072849305] [2021-03-26 05:16:16,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:16,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:16,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:16,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:16,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:16,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 205 transitions, 2604 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:16,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:16,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:16,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:16,414 INFO L129 PetriNetUnfolder]: 344/703 cut-off events. [2021-03-26 05:16:16,414 INFO L130 PetriNetUnfolder]: For 3536/3595 co-relation queries the response was YES. [2021-03-26 05:16:16,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4079 conditions, 703 events. 344/703 cut-off events. For 3536/3595 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3717 event pairs, 17 based on Foata normal form. 29/654 useless extension candidates. Maximal degree in co-relation 3982. Up to 421 conditions per place. [2021-03-26 05:16:16,427 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 167 selfloop transitions, 57 changer transitions 0/242 dead transitions. [2021-03-26 05:16:16,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 242 transitions, 3451 flow [2021-03-26 05:16:16,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 643 transitions. [2021-03-26 05:16:16,429 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5761648745519713 [2021-03-26 05:16:16,429 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 643 transitions. [2021-03-26 05:16:16,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 643 transitions. [2021-03-26 05:16:16,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:16,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 643 transitions. [2021-03-26 05:16:16,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.583333333333336) internal successors, (643), 12 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:16,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:16,433 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:16,433 INFO L185 Difference]: Start difference. First operand has 131 places, 205 transitions, 2604 flow. Second operand 12 states and 643 transitions. [2021-03-26 05:16:16,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 242 transitions, 3451 flow [2021-03-26 05:16:16,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 242 transitions, 3380 flow, removed 6 selfloop flow, removed 9 redundant places. [2021-03-26 05:16:16,458 INFO L241 Difference]: Finished difference. Result has 136 places, 226 transitions, 3013 flow [2021-03-26 05:16:16,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2539, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3013, PETRI_PLACES=136, PETRI_TRANSITIONS=226} [2021-03-26 05:16:16,458 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 83 predicate places. [2021-03-26 05:16:16,459 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:16,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 226 transitions, 3013 flow [2021-03-26 05:16:16,459 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 226 transitions, 3013 flow [2021-03-26 05:16:16,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 226 transitions, 3013 flow [2021-03-26 05:16:16,510 INFO L129 PetriNetUnfolder]: 286/633 cut-off events. [2021-03-26 05:16:16,511 INFO L130 PetriNetUnfolder]: For 3160/3176 co-relation queries the response was YES. [2021-03-26 05:16:16,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3448 conditions, 633 events. 286/633 cut-off events. For 3160/3176 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3482 event pairs, 14 based on Foata normal form. 1/554 useless extension candidates. Maximal degree in co-relation 3374. Up to 237 conditions per place. [2021-03-26 05:16:16,520 INFO L142 LiptonReduction]: Number of co-enabled transitions 1058 [2021-03-26 05:16:16,530 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:16,530 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:16,530 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-26 05:16:16,531 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 226 transitions, 3013 flow [2021-03-26 05:16:16,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:16,531 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:16,531 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:16,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 05:16:16,532 INFO L428 AbstractCegarLoop]: === Iteration 18 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:16,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:16,532 INFO L82 PathProgramCache]: Analyzing trace with hash -742105712, now seen corresponding path program 7 times [2021-03-26 05:16:16,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:16,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962434560] [2021-03-26 05:16:16,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:16,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:16,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:16,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:16,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:16,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:16,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:16,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:16,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:16,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:16,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:16,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:16,655 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:16,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:16,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:16,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962434560] [2021-03-26 05:16:16,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:16,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:16,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137159608] [2021-03-26 05:16:16,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:16,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:16,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:16,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:16,660 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:16,660 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 226 transitions, 3013 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:16,660 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:16,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:16,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:16,971 INFO L129 PetriNetUnfolder]: 347/718 cut-off events. [2021-03-26 05:16:16,971 INFO L130 PetriNetUnfolder]: For 3920/3928 co-relation queries the response was YES. [2021-03-26 05:16:16,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4304 conditions, 718 events. 347/718 cut-off events. For 3920/3928 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3850 event pairs, 14 based on Foata normal form. 9/646 useless extension candidates. Maximal degree in co-relation 4225. Up to 420 conditions per place. [2021-03-26 05:16:16,979 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 151 selfloop transitions, 72 changer transitions 0/241 dead transitions. [2021-03-26 05:16:16,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 241 transitions, 3616 flow [2021-03-26 05:16:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 592 transitions. [2021-03-26 05:16:16,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5786901270772239 [2021-03-26 05:16:16,980 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 592 transitions. [2021-03-26 05:16:16,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 592 transitions. [2021-03-26 05:16:16,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:16,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 592 transitions. [2021-03-26 05:16:16,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.81818181818182) internal successors, (592), 11 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:16,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:16,982 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:16,982 INFO L185 Difference]: Start difference. First operand has 136 places, 226 transitions, 3013 flow. Second operand 11 states and 592 transitions. [2021-03-26 05:16:16,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 241 transitions, 3616 flow [2021-03-26 05:16:17,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 241 transitions, 3493 flow, removed 46 selfloop flow, removed 6 redundant places. [2021-03-26 05:16:17,010 INFO L241 Difference]: Finished difference. Result has 143 places, 229 transitions, 3185 flow [2021-03-26 05:16:17,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2904, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3185, PETRI_PLACES=143, PETRI_TRANSITIONS=229} [2021-03-26 05:16:17,011 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 90 predicate places. [2021-03-26 05:16:17,011 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:17,011 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 229 transitions, 3185 flow [2021-03-26 05:16:17,011 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 229 transitions, 3185 flow [2021-03-26 05:16:17,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 229 transitions, 3185 flow [2021-03-26 05:16:17,054 INFO L129 PetriNetUnfolder]: 280/611 cut-off events. [2021-03-26 05:16:17,054 INFO L130 PetriNetUnfolder]: For 3428/3461 co-relation queries the response was YES. [2021-03-26 05:16:17,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3433 conditions, 611 events. 280/611 cut-off events. For 3428/3461 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3401 event pairs, 11 based on Foata normal form. 0/530 useless extension candidates. Maximal degree in co-relation 3354. Up to 235 conditions per place. [2021-03-26 05:16:17,063 INFO L142 LiptonReduction]: Number of co-enabled transitions 1098 [2021-03-26 05:16:17,073 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:17,073 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:17,073 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 05:16:17,074 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 229 transitions, 3185 flow [2021-03-26 05:16:17,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:17,074 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:17,074 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:17,074 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 05:16:17,074 INFO L428 AbstractCegarLoop]: === Iteration 19 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:17,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:17,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1462211148, now seen corresponding path program 8 times [2021-03-26 05:16:17,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:17,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633857080] [2021-03-26 05:16:17,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:17,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:17,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:17,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:17,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:17,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:17,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:17,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:17,166 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:17,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:17,183 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:17,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:17,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633857080] [2021-03-26 05:16:17,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:17,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:17,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398775890] [2021-03-26 05:16:17,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:17,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:17,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:17,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:17,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:17,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 229 transitions, 3185 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:17,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:17,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:17,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:17,493 INFO L129 PetriNetUnfolder]: 356/744 cut-off events. [2021-03-26 05:16:17,493 INFO L130 PetriNetUnfolder]: For 4368/4498 co-relation queries the response was YES. [2021-03-26 05:16:17,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4485 conditions, 744 events. 356/744 cut-off events. For 4368/4498 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4079 event pairs, 16 based on Foata normal form. 36/692 useless extension candidates. Maximal degree in co-relation 4401. Up to 437 conditions per place. [2021-03-26 05:16:17,500 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 173 selfloop transitions, 59 changer transitions 0/250 dead transitions. [2021-03-26 05:16:17,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 250 transitions, 3847 flow [2021-03-26 05:16:17,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:17,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 591 transitions. [2021-03-26 05:16:17,501 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5777126099706745 [2021-03-26 05:16:17,501 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 591 transitions. [2021-03-26 05:16:17,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 591 transitions. [2021-03-26 05:16:17,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:17,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 591 transitions. [2021-03-26 05:16:17,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.72727272727273) internal successors, (591), 11 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:17,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:17,505 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:17,505 INFO L185 Difference]: Start difference. First operand has 143 places, 229 transitions, 3185 flow. Second operand 11 states and 591 transitions. [2021-03-26 05:16:17,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 250 transitions, 3847 flow [2021-03-26 05:16:17,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 250 transitions, 3715 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 05:16:17,538 INFO L241 Difference]: Finished difference. Result has 147 places, 238 transitions, 3354 flow [2021-03-26 05:16:17,538 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3057, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3354, PETRI_PLACES=147, PETRI_TRANSITIONS=238} [2021-03-26 05:16:17,538 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 94 predicate places. [2021-03-26 05:16:17,538 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:17,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 238 transitions, 3354 flow [2021-03-26 05:16:17,539 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 238 transitions, 3354 flow [2021-03-26 05:16:17,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 238 transitions, 3354 flow [2021-03-26 05:16:17,581 INFO L129 PetriNetUnfolder]: 292/644 cut-off events. [2021-03-26 05:16:17,582 INFO L130 PetriNetUnfolder]: For 3742/3755 co-relation queries the response was YES. [2021-03-26 05:16:17,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3598 conditions, 644 events. 292/644 cut-off events. For 3742/3755 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3575 event pairs, 11 based on Foata normal form. 1/559 useless extension candidates. Maximal degree in co-relation 3515. Up to 237 conditions per place. [2021-03-26 05:16:17,591 INFO L142 LiptonReduction]: Number of co-enabled transitions 1134 [2021-03-26 05:16:17,602 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:17,602 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:17,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-03-26 05:16:17,603 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 238 transitions, 3354 flow [2021-03-26 05:16:17,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:17,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:17,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:17,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 05:16:17,603 INFO L428 AbstractCegarLoop]: === Iteration 20 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:17,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:17,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1450074656, now seen corresponding path program 9 times [2021-03-26 05:16:17,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:17,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602400172] [2021-03-26 05:16:17,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:17,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:17,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:17,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:17,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:17,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:17,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:17,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:17,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:17,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:17,691 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:17,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:17,709 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:17,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:17,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602400172] [2021-03-26 05:16:17,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:17,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:17,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199312857] [2021-03-26 05:16:17,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:17,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:17,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:17,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:17,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:17,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 238 transitions, 3354 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:17,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:17,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:17,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:18,044 INFO L129 PetriNetUnfolder]: 355/747 cut-off events. [2021-03-26 05:16:18,044 INFO L130 PetriNetUnfolder]: For 4905/4962 co-relation queries the response was YES. [2021-03-26 05:16:18,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4581 conditions, 747 events. 355/747 cut-off events. For 4905/4962 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4112 event pairs, 14 based on Foata normal form. 27/686 useless extension candidates. Maximal degree in co-relation 4493. Up to 445 conditions per place. [2021-03-26 05:16:18,059 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 189 selfloop transitions, 42 changer transitions 4/253 dead transitions. [2021-03-26 05:16:18,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 253 transitions, 3953 flow [2021-03-26 05:16:18,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 587 transitions. [2021-03-26 05:16:18,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5738025415444771 [2021-03-26 05:16:18,061 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 587 transitions. [2021-03-26 05:16:18,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 587 transitions. [2021-03-26 05:16:18,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:18,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 587 transitions. [2021-03-26 05:16:18,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.36363636363637) internal successors, (587), 11 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,065 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,065 INFO L185 Difference]: Start difference. First operand has 147 places, 238 transitions, 3354 flow. Second operand 11 states and 587 transitions. [2021-03-26 05:16:18,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 253 transitions, 3953 flow [2021-03-26 05:16:18,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 253 transitions, 3865 flow, removed 25 selfloop flow, removed 6 redundant places. [2021-03-26 05:16:18,101 INFO L241 Difference]: Finished difference. Result has 154 places, 237 transitions, 3362 flow [2021-03-26 05:16:18,101 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3266, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3362, PETRI_PLACES=154, PETRI_TRANSITIONS=237} [2021-03-26 05:16:18,101 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 101 predicate places. [2021-03-26 05:16:18,101 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:18,101 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 237 transitions, 3362 flow [2021-03-26 05:16:18,102 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 237 transitions, 3362 flow [2021-03-26 05:16:18,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 237 transitions, 3362 flow [2021-03-26 05:16:18,163 INFO L129 PetriNetUnfolder]: 296/651 cut-off events. [2021-03-26 05:16:18,163 INFO L130 PetriNetUnfolder]: For 3807/3821 co-relation queries the response was YES. [2021-03-26 05:16:18,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3748 conditions, 651 events. 296/651 cut-off events. For 3807/3821 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3580 event pairs, 14 based on Foata normal form. 2/570 useless extension candidates. Maximal degree in co-relation 3672. Up to 242 conditions per place. [2021-03-26 05:16:18,173 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-26 05:16:18,183 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:18,183 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:18,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-26 05:16:18,184 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 237 transitions, 3362 flow [2021-03-26 05:16:18,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,184 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:18,184 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:18,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 05:16:18,185 INFO L428 AbstractCegarLoop]: === Iteration 21 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:18,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:18,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1968633184, now seen corresponding path program 10 times [2021-03-26 05:16:18,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:18,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040807542] [2021-03-26 05:16:18,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:18,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:18,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:18,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:18,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:18,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:18,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:18,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:18,266 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:18,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:18,277 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:18,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:18,293 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:18,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:18,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040807542] [2021-03-26 05:16:18,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:18,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:18,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369484906] [2021-03-26 05:16:18,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:18,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:18,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:18,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:18,298 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:18,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 237 transitions, 3362 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:18,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:18,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:18,639 INFO L129 PetriNetUnfolder]: 351/740 cut-off events. [2021-03-26 05:16:18,639 INFO L130 PetriNetUnfolder]: For 4800/4808 co-relation queries the response was YES. [2021-03-26 05:16:18,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4590 conditions, 740 events. 351/740 cut-off events. For 4800/4808 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4086 event pairs, 16 based on Foata normal form. 9/662 useless extension candidates. Maximal degree in co-relation 4510. Up to 435 conditions per place. [2021-03-26 05:16:18,648 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 175 selfloop transitions, 54 changer transitions 3/250 dead transitions. [2021-03-26 05:16:18,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 250 transitions, 3922 flow [2021-03-26 05:16:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 686 transitions. [2021-03-26 05:16:18,649 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5674110835401158 [2021-03-26 05:16:18,649 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 686 transitions. [2021-03-26 05:16:18,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 686 transitions. [2021-03-26 05:16:18,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:18,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 686 transitions. [2021-03-26 05:16:18,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.76923076923077) internal successors, (686), 13 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,652 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,652 INFO L185 Difference]: Start difference. First operand has 152 places, 237 transitions, 3362 flow. Second operand 13 states and 686 transitions. [2021-03-26 05:16:18,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 250 transitions, 3922 flow [2021-03-26 05:16:18,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 250 transitions, 3850 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-03-26 05:16:18,688 INFO L241 Difference]: Finished difference. Result has 156 places, 235 transitions, 3384 flow [2021-03-26 05:16:18,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3292, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3384, PETRI_PLACES=156, PETRI_TRANSITIONS=235} [2021-03-26 05:16:18,688 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 103 predicate places. [2021-03-26 05:16:18,688 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:18,688 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 235 transitions, 3384 flow [2021-03-26 05:16:18,689 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 235 transitions, 3384 flow [2021-03-26 05:16:18,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 235 transitions, 3384 flow [2021-03-26 05:16:18,736 INFO L129 PetriNetUnfolder]: 291/653 cut-off events. [2021-03-26 05:16:18,736 INFO L130 PetriNetUnfolder]: For 3686/3697 co-relation queries the response was YES. [2021-03-26 05:16:18,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3731 conditions, 653 events. 291/653 cut-off events. For 3686/3697 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3631 event pairs, 12 based on Foata normal form. 1/568 useless extension candidates. Maximal degree in co-relation 3659. Up to 236 conditions per place. [2021-03-26 05:16:18,742 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-26 05:16:18,749 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:18,749 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:18,750 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 05:16:18,750 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 235 transitions, 3384 flow [2021-03-26 05:16:18,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:18,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:18,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 05:16:18,751 INFO L428 AbstractCegarLoop]: === Iteration 22 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:18,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:18,751 INFO L82 PathProgramCache]: Analyzing trace with hash 2072477538, now seen corresponding path program 11 times [2021-03-26 05:16:18,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:18,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7942945] [2021-03-26 05:16:18,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:18,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:18,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:18,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:18,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:18,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:18,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:18,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:18,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:18,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:18,844 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:18,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:18,857 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:18,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7942945] [2021-03-26 05:16:18,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:18,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:18,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349350169] [2021-03-26 05:16:18,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:18,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:18,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:18,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:18,872 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:18,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 235 transitions, 3384 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:18,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:18,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:18,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:19,158 INFO L129 PetriNetUnfolder]: 348/732 cut-off events. [2021-03-26 05:16:19,158 INFO L130 PetriNetUnfolder]: For 4763/4793 co-relation queries the response was YES. [2021-03-26 05:16:19,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4593 conditions, 732 events. 348/732 cut-off events. For 4763/4793 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3967 event pairs, 16 based on Foata normal form. 17/664 useless extension candidates. Maximal degree in co-relation 4517. Up to 436 conditions per place. [2021-03-26 05:16:19,163 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 173 selfloop transitions, 53 changer transitions 3/247 dead transitions. [2021-03-26 05:16:19,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 247 transitions, 3926 flow [2021-03-26 05:16:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 636 transitions. [2021-03-26 05:16:19,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5698924731182796 [2021-03-26 05:16:19,164 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 636 transitions. [2021-03-26 05:16:19,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 636 transitions. [2021-03-26 05:16:19,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:19,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 636 transitions. [2021-03-26 05:16:19,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.0) internal successors, (636), 12 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,167 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,167 INFO L185 Difference]: Start difference. First operand has 155 places, 235 transitions, 3384 flow. Second operand 12 states and 636 transitions. [2021-03-26 05:16:19,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 247 transitions, 3926 flow [2021-03-26 05:16:19,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 247 transitions, 3806 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-26 05:16:19,194 INFO L241 Difference]: Finished difference. Result has 156 places, 234 transitions, 3376 flow [2021-03-26 05:16:19,194 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3264, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3376, PETRI_PLACES=156, PETRI_TRANSITIONS=234} [2021-03-26 05:16:19,194 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 103 predicate places. [2021-03-26 05:16:19,194 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:19,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 234 transitions, 3376 flow [2021-03-26 05:16:19,194 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 234 transitions, 3376 flow [2021-03-26 05:16:19,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 234 transitions, 3376 flow [2021-03-26 05:16:19,235 INFO L129 PetriNetUnfolder]: 290/649 cut-off events. [2021-03-26 05:16:19,235 INFO L130 PetriNetUnfolder]: For 3757/3768 co-relation queries the response was YES. [2021-03-26 05:16:19,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3696 conditions, 649 events. 290/649 cut-off events. For 3757/3768 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3617 event pairs, 11 based on Foata normal form. 1/564 useless extension candidates. Maximal degree in co-relation 3586. Up to 233 conditions per place. [2021-03-26 05:16:19,242 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-26 05:16:19,249 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:19,249 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:19,249 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 05:16:19,250 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 234 transitions, 3376 flow [2021-03-26 05:16:19,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,250 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:19,250 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:19,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 05:16:19,250 INFO L428 AbstractCegarLoop]: === Iteration 23 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:19,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:19,251 INFO L82 PathProgramCache]: Analyzing trace with hash -718888748, now seen corresponding path program 12 times [2021-03-26 05:16:19,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:19,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472375523] [2021-03-26 05:16:19,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:19,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:19,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:19,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:19,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:19,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:19,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:19,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:19,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:19,345 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:19,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:19,368 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:19,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:19,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472375523] [2021-03-26 05:16:19,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:19,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:19,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651757224] [2021-03-26 05:16:19,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:19,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:19,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:19,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:19,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:19,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 234 transitions, 3376 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:19,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:19,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:19,660 INFO L129 PetriNetUnfolder]: 347/734 cut-off events. [2021-03-26 05:16:19,660 INFO L130 PetriNetUnfolder]: For 4932/4988 co-relation queries the response was YES. [2021-03-26 05:16:19,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4576 conditions, 734 events. 347/734 cut-off events. For 4932/4988 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4038 event pairs, 17 based on Foata normal form. 22/670 useless extension candidates. Maximal degree in co-relation 4458. Up to 415 conditions per place. [2021-03-26 05:16:19,666 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 153 selfloop transitions, 69 changer transitions 11/251 dead transitions. [2021-03-26 05:16:19,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 251 transitions, 3997 flow [2021-03-26 05:16:19,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 05:16:19,671 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5732009925558312 [2021-03-26 05:16:19,672 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 05:16:19,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 05:16:19,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:19,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 05:16:19,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,674 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,674 INFO L185 Difference]: Start difference. First operand has 155 places, 234 transitions, 3376 flow. Second operand 13 states and 693 transitions. [2021-03-26 05:16:19,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 251 transitions, 3997 flow [2021-03-26 05:16:19,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 251 transitions, 3859 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-26 05:16:19,710 INFO L241 Difference]: Finished difference. Result has 156 places, 225 transitions, 3261 flow [2021-03-26 05:16:19,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3238, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3261, PETRI_PLACES=156, PETRI_TRANSITIONS=225} [2021-03-26 05:16:19,711 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 103 predicate places. [2021-03-26 05:16:19,711 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:19,711 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 225 transitions, 3261 flow [2021-03-26 05:16:19,711 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 225 transitions, 3261 flow [2021-03-26 05:16:19,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 225 transitions, 3261 flow [2021-03-26 05:16:19,759 INFO L129 PetriNetUnfolder]: 281/617 cut-off events. [2021-03-26 05:16:19,759 INFO L130 PetriNetUnfolder]: For 3823/3832 co-relation queries the response was YES. [2021-03-26 05:16:19,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3654 conditions, 617 events. 281/617 cut-off events. For 3823/3832 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3314 event pairs, 24 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 3547. Up to 227 conditions per place. [2021-03-26 05:16:19,765 INFO L142 LiptonReduction]: Number of co-enabled transitions 1026 [2021-03-26 05:16:19,772 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:19,772 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:19,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-26 05:16:19,772 INFO L480 AbstractCegarLoop]: Abstraction has has 154 places, 225 transitions, 3261 flow [2021-03-26 05:16:19,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,773 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:19,773 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:19,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 05:16:19,773 INFO L428 AbstractCegarLoop]: === Iteration 24 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:19,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:19,773 INFO L82 PathProgramCache]: Analyzing trace with hash 678345900, now seen corresponding path program 13 times [2021-03-26 05:16:19,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:19,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642373204] [2021-03-26 05:16:19,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:19,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:19,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:19,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:19,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:19,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:19,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:19,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:19,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:19,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:19,864 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:19,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:19,882 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:19,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:19,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642373204] [2021-03-26 05:16:19,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:19,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:19,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776231672] [2021-03-26 05:16:19,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:19,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:19,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:19,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:19,886 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:19,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 225 transitions, 3261 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:19,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:19,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:19,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:20,178 INFO L129 PetriNetUnfolder]: 338/702 cut-off events. [2021-03-26 05:16:20,178 INFO L130 PetriNetUnfolder]: For 4870/4878 co-relation queries the response was YES. [2021-03-26 05:16:20,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4518 conditions, 702 events. 338/702 cut-off events. For 4870/4878 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3724 event pairs, 15 based on Foata normal form. 9/633 useless extension candidates. Maximal degree in co-relation 4397. Up to 406 conditions per place. [2021-03-26 05:16:20,183 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 149 selfloop transitions, 72 changer transitions 5/244 dead transitions. [2021-03-26 05:16:20,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 244 transitions, 3861 flow [2021-03-26 05:16:20,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:20,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 05:16:20,189 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.578853046594982 [2021-03-26 05:16:20,189 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 05:16:20,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 05:16:20,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:20,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 05:16:20,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,191 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,191 INFO L185 Difference]: Start difference. First operand has 154 places, 225 transitions, 3261 flow. Second operand 12 states and 646 transitions. [2021-03-26 05:16:20,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 244 transitions, 3861 flow [2021-03-26 05:16:20,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 244 transitions, 3622 flow, removed 10 selfloop flow, removed 16 redundant places. [2021-03-26 05:16:20,223 INFO L241 Difference]: Finished difference. Result has 151 places, 224 transitions, 3222 flow [2021-03-26 05:16:20,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3031, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3222, PETRI_PLACES=151, PETRI_TRANSITIONS=224} [2021-03-26 05:16:20,224 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 98 predicate places. [2021-03-26 05:16:20,224 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:20,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 224 transitions, 3222 flow [2021-03-26 05:16:20,224 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 224 transitions, 3222 flow [2021-03-26 05:16:20,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 224 transitions, 3222 flow [2021-03-26 05:16:20,274 INFO L129 PetriNetUnfolder]: 279/615 cut-off events. [2021-03-26 05:16:20,274 INFO L130 PetriNetUnfolder]: For 3766/3775 co-relation queries the response was YES. [2021-03-26 05:16:20,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3615 conditions, 615 events. 279/615 cut-off events. For 3766/3775 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3311 event pairs, 10 based on Foata normal form. 1/539 useless extension candidates. Maximal degree in co-relation 3544. Up to 226 conditions per place. [2021-03-26 05:16:20,283 INFO L142 LiptonReduction]: Number of co-enabled transitions 1000 [2021-03-26 05:16:20,293 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:20,293 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:20,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-26 05:16:20,293 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 224 transitions, 3222 flow [2021-03-26 05:16:20,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,294 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:20,294 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:20,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 05:16:20,294 INFO L428 AbstractCegarLoop]: === Iteration 25 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:20,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:20,294 INFO L82 PathProgramCache]: Analyzing trace with hash 39984314, now seen corresponding path program 14 times [2021-03-26 05:16:20,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:20,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214451792] [2021-03-26 05:16:20,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:20,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:20,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:20,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:20,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:20,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:20,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:20,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:20,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:20,385 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:20,402 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:20,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:20,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214451792] [2021-03-26 05:16:20,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:20,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:20,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730638842] [2021-03-26 05:16:20,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:20,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:20,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:20,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:20,408 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:20,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 224 transitions, 3222 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:20,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:20,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:20,720 INFO L129 PetriNetUnfolder]: 346/716 cut-off events. [2021-03-26 05:16:20,721 INFO L130 PetriNetUnfolder]: For 5199/5325 co-relation queries the response was YES. [2021-03-26 05:16:20,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4609 conditions, 716 events. 346/716 cut-off events. For 5199/5325 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3863 event pairs, 16 based on Foata normal form. 37/673 useless extension candidates. Maximal degree in co-relation 4540. Up to 402 conditions per place. [2021-03-26 05:16:20,726 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 136 selfloop transitions, 91 changer transitions 10/255 dead transitions. [2021-03-26 05:16:20,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 255 transitions, 4109 flow [2021-03-26 05:16:20,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:16:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:16:20,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 804 transitions. [2021-03-26 05:16:20,728 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5763440860215053 [2021-03-26 05:16:20,728 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 804 transitions. [2021-03-26 05:16:20,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 804 transitions. [2021-03-26 05:16:20,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:20,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 804 transitions. [2021-03-26 05:16:20,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 93.0) internal successors, (1488), 16 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,731 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 93.0) internal successors, (1488), 16 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,731 INFO L185 Difference]: Start difference. First operand has 149 places, 224 transitions, 3222 flow. Second operand 15 states and 804 transitions. [2021-03-26 05:16:20,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 255 transitions, 4109 flow [2021-03-26 05:16:20,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 255 transitions, 3973 flow, removed 14 selfloop flow, removed 10 redundant places. [2021-03-26 05:16:20,763 INFO L241 Difference]: Finished difference. Result has 157 places, 232 transitions, 3496 flow [2021-03-26 05:16:20,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3099, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3496, PETRI_PLACES=157, PETRI_TRANSITIONS=232} [2021-03-26 05:16:20,763 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 104 predicate places. [2021-03-26 05:16:20,763 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:20,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 232 transitions, 3496 flow [2021-03-26 05:16:20,764 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 232 transitions, 3496 flow [2021-03-26 05:16:20,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 232 transitions, 3496 flow [2021-03-26 05:16:20,801 INFO L129 PetriNetUnfolder]: 280/607 cut-off events. [2021-03-26 05:16:20,802 INFO L130 PetriNetUnfolder]: For 4113/4122 co-relation queries the response was YES. [2021-03-26 05:16:20,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3775 conditions, 607 events. 280/607 cut-off events. For 4113/4122 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3233 event pairs, 7 based on Foata normal form. 1/534 useless extension candidates. Maximal degree in co-relation 3679. Up to 232 conditions per place. [2021-03-26 05:16:20,807 INFO L142 LiptonReduction]: Number of co-enabled transitions 1038 [2021-03-26 05:16:20,814 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:20,814 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:20,814 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-03-26 05:16:20,815 INFO L480 AbstractCegarLoop]: Abstraction has has 156 places, 232 transitions, 3496 flow [2021-03-26 05:16:20,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:20,815 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:20,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 05:16:20,816 INFO L428 AbstractCegarLoop]: === Iteration 26 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:20,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:20,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1996090274, now seen corresponding path program 15 times [2021-03-26 05:16:20,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:20,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39575744] [2021-03-26 05:16:20,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:20,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:20,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:20,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:20,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:20,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:20,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:20,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:20,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:20,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:20,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:20,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:20,914 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:20,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39575744] [2021-03-26 05:16:20,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:20,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:20,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570130726] [2021-03-26 05:16:20,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:20,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:20,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:20,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:20,918 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:20,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 232 transitions, 3496 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:20,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:20,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:20,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:21,174 INFO L129 PetriNetUnfolder]: 339/690 cut-off events. [2021-03-26 05:16:21,174 INFO L130 PetriNetUnfolder]: For 5523/5578 co-relation queries the response was YES. [2021-03-26 05:16:21,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4631 conditions, 690 events. 339/690 cut-off events. For 5523/5578 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3607 event pairs, 16 based on Foata normal form. 21/635 useless extension candidates. Maximal degree in co-relation 4529. Up to 426 conditions per place. [2021-03-26 05:16:21,181 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 172 selfloop transitions, 47 changer transitions 6/243 dead transitions. [2021-03-26 05:16:21,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 243 transitions, 4019 flow [2021-03-26 05:16:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 590 transitions. [2021-03-26 05:16:21,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5767350928641252 [2021-03-26 05:16:21,183 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 590 transitions. [2021-03-26 05:16:21,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 590 transitions. [2021-03-26 05:16:21,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:21,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 590 transitions. [2021-03-26 05:16:21,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.63636363636363) internal successors, (590), 11 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,185 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,185 INFO L185 Difference]: Start difference. First operand has 156 places, 232 transitions, 3496 flow. Second operand 11 states and 590 transitions. [2021-03-26 05:16:21,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 243 transitions, 4019 flow [2021-03-26 05:16:21,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 243 transitions, 3717 flow, removed 55 selfloop flow, removed 15 redundant places. [2021-03-26 05:16:21,214 INFO L241 Difference]: Finished difference. Result has 153 places, 227 transitions, 3239 flow [2021-03-26 05:16:21,214 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3197, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3239, PETRI_PLACES=153, PETRI_TRANSITIONS=227} [2021-03-26 05:16:21,215 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 100 predicate places. [2021-03-26 05:16:21,215 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:21,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 227 transitions, 3239 flow [2021-03-26 05:16:21,215 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 227 transitions, 3239 flow [2021-03-26 05:16:21,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 227 transitions, 3239 flow [2021-03-26 05:16:21,250 INFO L129 PetriNetUnfolder]: 274/590 cut-off events. [2021-03-26 05:16:21,250 INFO L130 PetriNetUnfolder]: For 3857/3865 co-relation queries the response was YES. [2021-03-26 05:16:21,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3644 conditions, 590 events. 274/590 cut-off events. For 3857/3865 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3101 event pairs, 11 based on Foata normal form. 0/521 useless extension candidates. Maximal degree in co-relation 3551. Up to 223 conditions per place. [2021-03-26 05:16:21,256 INFO L142 LiptonReduction]: Number of co-enabled transitions 986 [2021-03-26 05:16:21,262 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:21,262 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:21,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 05:16:21,263 INFO L480 AbstractCegarLoop]: Abstraction has has 151 places, 227 transitions, 3239 flow [2021-03-26 05:16:21,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:21,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:21,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 05:16:21,263 INFO L428 AbstractCegarLoop]: === Iteration 27 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:21,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:21,264 INFO L82 PathProgramCache]: Analyzing trace with hash 882766586, now seen corresponding path program 16 times [2021-03-26 05:16:21,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:21,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060950344] [2021-03-26 05:16:21,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:21,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:21,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:21,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:21,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:21,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:21,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:21,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:21,355 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:21,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:21,370 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:21,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:21,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060950344] [2021-03-26 05:16:21,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:21,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:21,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60111193] [2021-03-26 05:16:21,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:21,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:21,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:21,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:21,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:21,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 227 transitions, 3239 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:21,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:21,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:21,702 INFO L129 PetriNetUnfolder]: 342/694 cut-off events. [2021-03-26 05:16:21,702 INFO L130 PetriNetUnfolder]: For 5427/5541 co-relation queries the response was YES. [2021-03-26 05:16:21,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4607 conditions, 694 events. 342/694 cut-off events. For 5427/5541 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3645 event pairs, 18 based on Foata normal form. 41/658 useless extension candidates. Maximal degree in co-relation 4513. Up to 395 conditions per place. [2021-03-26 05:16:21,710 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 134 selfloop transitions, 100 changer transitions 0/252 dead transitions. [2021-03-26 05:16:21,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 252 transitions, 4020 flow [2021-03-26 05:16:21,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 05:16:21,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5806451612903226 [2021-03-26 05:16:21,712 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 05:16:21,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 05:16:21,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:21,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 05:16:21,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,714 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,714 INFO L185 Difference]: Start difference. First operand has 151 places, 227 transitions, 3239 flow. Second operand 14 states and 756 transitions. [2021-03-26 05:16:21,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 252 transitions, 4020 flow [2021-03-26 05:16:21,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 252 transitions, 3800 flow, removed 13 selfloop flow, removed 15 redundant places. [2021-03-26 05:16:21,747 INFO L241 Difference]: Finished difference. Result has 152 places, 238 transitions, 3531 flow [2021-03-26 05:16:21,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3027, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3531, PETRI_PLACES=152, PETRI_TRANSITIONS=238} [2021-03-26 05:16:21,748 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 99 predicate places. [2021-03-26 05:16:21,748 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:21,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 238 transitions, 3531 flow [2021-03-26 05:16:21,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 238 transitions, 3531 flow [2021-03-26 05:16:21,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 238 transitions, 3531 flow [2021-03-26 05:16:21,793 INFO L129 PetriNetUnfolder]: 274/584 cut-off events. [2021-03-26 05:16:21,793 INFO L130 PetriNetUnfolder]: For 4056/4063 co-relation queries the response was YES. [2021-03-26 05:16:21,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3703 conditions, 584 events. 274/584 cut-off events. For 4056/4063 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3134 event pairs, 15 based on Foata normal form. 0/515 useless extension candidates. Maximal degree in co-relation 3618. Up to 230 conditions per place. [2021-03-26 05:16:21,799 INFO L142 LiptonReduction]: Number of co-enabled transitions 1038 [2021-03-26 05:16:21,806 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:21,806 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:21,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 05:16:21,807 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 238 transitions, 3531 flow [2021-03-26 05:16:21,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:21,807 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:21,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 05:16:21,807 INFO L428 AbstractCegarLoop]: === Iteration 28 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:21,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:21,807 INFO L82 PathProgramCache]: Analyzing trace with hash -947394498, now seen corresponding path program 17 times [2021-03-26 05:16:21,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:21,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493931578] [2021-03-26 05:16:21,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:21,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:21,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:21,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:21,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:21,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:21,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:21,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:21,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:21,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:21,912 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:21,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:21,930 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:21,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:21,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493931578] [2021-03-26 05:16:21,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:21,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:21,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913356836] [2021-03-26 05:16:21,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:21,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:21,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:21,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:21,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:21,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 238 transitions, 3531 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:21,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:21,935 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:21,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:22,253 INFO L129 PetriNetUnfolder]: 337/681 cut-off events. [2021-03-26 05:16:22,253 INFO L130 PetriNetUnfolder]: For 5421/5528 co-relation queries the response was YES. [2021-03-26 05:16:22,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4669 conditions, 681 events. 337/681 cut-off events. For 5421/5528 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3544 event pairs, 18 based on Foata normal form. 36/645 useless extension candidates. Maximal degree in co-relation 4585. Up to 420 conditions per place. [2021-03-26 05:16:22,260 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 170 selfloop transitions, 55 changer transitions 9/252 dead transitions. [2021-03-26 05:16:22,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 252 transitions, 4080 flow [2021-03-26 05:16:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 700 transitions. [2021-03-26 05:16:22,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5789909015715468 [2021-03-26 05:16:22,262 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 700 transitions. [2021-03-26 05:16:22,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 700 transitions. [2021-03-26 05:16:22,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:22,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 700 transitions. [2021-03-26 05:16:22,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.84615384615385) internal successors, (700), 13 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,265 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,265 INFO L185 Difference]: Start difference. First operand has 152 places, 238 transitions, 3531 flow. Second operand 13 states and 700 transitions. [2021-03-26 05:16:22,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 252 transitions, 4080 flow [2021-03-26 05:16:22,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 252 transitions, 3912 flow, removed 47 selfloop flow, removed 8 redundant places. [2021-03-26 05:16:22,297 INFO L241 Difference]: Finished difference. Result has 157 places, 230 transitions, 3371 flow [2021-03-26 05:16:22,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3363, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3371, PETRI_PLACES=157, PETRI_TRANSITIONS=230} [2021-03-26 05:16:22,298 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 104 predicate places. [2021-03-26 05:16:22,298 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:22,298 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 230 transitions, 3371 flow [2021-03-26 05:16:22,298 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 230 transitions, 3371 flow [2021-03-26 05:16:22,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 230 transitions, 3371 flow [2021-03-26 05:16:22,354 INFO L129 PetriNetUnfolder]: 279/600 cut-off events. [2021-03-26 05:16:22,354 INFO L130 PetriNetUnfolder]: For 4161/4172 co-relation queries the response was YES. [2021-03-26 05:16:22,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3742 conditions, 600 events. 279/600 cut-off events. For 4161/4172 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3187 event pairs, 18 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 3657. Up to 221 conditions per place. [2021-03-26 05:16:22,364 INFO L142 LiptonReduction]: Number of co-enabled transitions 978 [2021-03-26 05:16:22,374 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:22,374 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:22,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-03-26 05:16:22,375 INFO L480 AbstractCegarLoop]: Abstraction has has 154 places, 230 transitions, 3371 flow [2021-03-26 05:16:22,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,375 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:22,375 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:22,375 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 05:16:22,375 INFO L428 AbstractCegarLoop]: === Iteration 29 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:22,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:22,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1025010648, now seen corresponding path program 18 times [2021-03-26 05:16:22,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:22,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040400682] [2021-03-26 05:16:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:22,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:22,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:22,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:22,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:22,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:22,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:22,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:22,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:22,453 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:22,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:22,467 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:22,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:22,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040400682] [2021-03-26 05:16:22,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:22,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:22,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323242292] [2021-03-26 05:16:22,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:22,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:22,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:22,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:22,471 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 05:16:22,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 230 transitions, 3371 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:22,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 05:16:22,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:22,717 INFO L129 PetriNetUnfolder]: 342/684 cut-off events. [2021-03-26 05:16:22,718 INFO L130 PetriNetUnfolder]: For 5726/5734 co-relation queries the response was YES. [2021-03-26 05:16:22,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4829 conditions, 684 events. 342/684 cut-off events. For 5726/5734 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3539 event pairs, 15 based on Foata normal form. 9/624 useless extension candidates. Maximal degree in co-relation 4743. Up to 406 conditions per place. [2021-03-26 05:16:22,724 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 148 selfloop transitions, 89 changer transitions 0/255 dead transitions. [2021-03-26 05:16:22,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 255 transitions, 4231 flow [2021-03-26 05:16:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 590 transitions. [2021-03-26 05:16:22,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5767350928641252 [2021-03-26 05:16:22,737 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 590 transitions. [2021-03-26 05:16:22,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 590 transitions. [2021-03-26 05:16:22,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:22,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 590 transitions. [2021-03-26 05:16:22,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.63636363636363) internal successors, (590), 11 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,738 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,739 INFO L185 Difference]: Start difference. First operand has 154 places, 230 transitions, 3371 flow. Second operand 11 states and 590 transitions. [2021-03-26 05:16:22,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 255 transitions, 4231 flow [2021-03-26 05:16:22,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 255 transitions, 4060 flow, removed 15 selfloop flow, removed 14 redundant places. [2021-03-26 05:16:22,769 INFO L241 Difference]: Finished difference. Result has 152 places, 244 transitions, 3728 flow [2021-03-26 05:16:22,770 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3209, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3728, PETRI_PLACES=152, PETRI_TRANSITIONS=244} [2021-03-26 05:16:22,770 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 99 predicate places. [2021-03-26 05:16:22,770 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:22,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 244 transitions, 3728 flow [2021-03-26 05:16:22,770 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 244 transitions, 3728 flow [2021-03-26 05:16:22,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 244 transitions, 3728 flow [2021-03-26 05:16:22,822 INFO L129 PetriNetUnfolder]: 290/623 cut-off events. [2021-03-26 05:16:22,822 INFO L130 PetriNetUnfolder]: For 5477/5488 co-relation queries the response was YES. [2021-03-26 05:16:22,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4086 conditions, 623 events. 290/623 cut-off events. For 5477/5488 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3385 event pairs, 17 based on Foata normal form. 1/550 useless extension candidates. Maximal degree in co-relation 4002. Up to 240 conditions per place. [2021-03-26 05:16:22,831 INFO L142 LiptonReduction]: Number of co-enabled transitions 1030 [2021-03-26 05:16:22,875 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:22,875 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:22,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 05:16:22,877 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 244 transitions, 3745 flow [2021-03-26 05:16:22,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:22,877 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:22,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 05:16:22,877 INFO L428 AbstractCegarLoop]: === Iteration 30 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:22,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:22,878 INFO L82 PathProgramCache]: Analyzing trace with hash -402945048, now seen corresponding path program 19 times [2021-03-26 05:16:22,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:22,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145824318] [2021-03-26 05:16:22,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:22,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:22,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:22,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:22,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:22,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:22,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:22,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:22,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:22,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:22,973 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:22,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:22,989 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:22,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:22,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145824318] [2021-03-26 05:16:22,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:22,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:22,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822214618] [2021-03-26 05:16:22,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:22,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:22,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:22,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:22,995 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 94 [2021-03-26 05:16:22,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 244 transitions, 3745 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:22,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:22,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 94 [2021-03-26 05:16:22,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:23,354 INFO L129 PetriNetUnfolder]: 350/708 cut-off events. [2021-03-26 05:16:23,354 INFO L130 PetriNetUnfolder]: For 6614/6644 co-relation queries the response was YES. [2021-03-26 05:16:23,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5060 conditions, 708 events. 350/708 cut-off events. For 6614/6644 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3723 event pairs, 12 based on Foata normal form. 17/650 useless extension candidates. Maximal degree in co-relation 4973. Up to 388 conditions per place. [2021-03-26 05:16:23,372 INFO L132 encePairwiseOnDemand]: 78/94 looper letters, 126 selfloop transitions, 123 changer transitions 0/267 dead transitions. [2021-03-26 05:16:23,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 267 transitions, 4546 flow [2021-03-26 05:16:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:16:23,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:16:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 803 transitions. [2021-03-26 05:16:23,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5695035460992908 [2021-03-26 05:16:23,376 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 803 transitions. [2021-03-26 05:16:23,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 803 transitions. [2021-03-26 05:16:23,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:23,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 803 transitions. [2021-03-26 05:16:23,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.53333333333333) internal successors, (803), 15 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:23,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 94.0) internal successors, (1504), 16 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:23,379 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 94.0) internal successors, (1504), 16 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:23,379 INFO L185 Difference]: Start difference. First operand has 152 places, 244 transitions, 3745 flow. Second operand 15 states and 803 transitions. [2021-03-26 05:16:23,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 267 transitions, 4546 flow [2021-03-26 05:16:23,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 267 transitions, 4401 flow, removed 62 selfloop flow, removed 3 redundant places. [2021-03-26 05:16:23,408 INFO L241 Difference]: Finished difference. Result has 166 places, 253 transitions, 4159 flow [2021-03-26 05:16:23,408 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=3606, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4159, PETRI_PLACES=166, PETRI_TRANSITIONS=253} [2021-03-26 05:16:23,409 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 113 predicate places. [2021-03-26 05:16:23,409 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:23,409 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 253 transitions, 4159 flow [2021-03-26 05:16:23,409 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 253 transitions, 4159 flow [2021-03-26 05:16:23,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 253 transitions, 4159 flow [2021-03-26 05:16:23,449 INFO L129 PetriNetUnfolder]: 289/626 cut-off events. [2021-03-26 05:16:23,449 INFO L130 PetriNetUnfolder]: For 6407/6421 co-relation queries the response was YES. [2021-03-26 05:16:23,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4365 conditions, 626 events. 289/626 cut-off events. For 6407/6421 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3442 event pairs, 14 based on Foata normal form. 1/554 useless extension candidates. Maximal degree in co-relation 4275. Up to 239 conditions per place. [2021-03-26 05:16:23,455 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-26 05:16:23,492 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:23,492 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:23,492 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-03-26 05:16:23,492 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 253 transitions, 4160 flow [2021-03-26 05:16:23,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:23,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:23,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:23,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 05:16:23,493 INFO L428 AbstractCegarLoop]: === Iteration 31 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:23,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:23,493 INFO L82 PathProgramCache]: Analyzing trace with hash -471358174, now seen corresponding path program 1 times [2021-03-26 05:16:23,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:23,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151507770] [2021-03-26 05:16:23,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:23,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:23,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:23,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:23,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:23,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:23,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:23,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:23,557 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:23,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:23,569 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:23,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:23,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151507770] [2021-03-26 05:16:23,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:23,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:16:23,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126120757] [2021-03-26 05:16:23,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:16:23,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:23,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:16:23,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:16:23,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 95 [2021-03-26 05:16:23,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 253 transitions, 4160 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:23,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:23,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 95 [2021-03-26 05:16:23,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:23,835 INFO L129 PetriNetUnfolder]: 354/724 cut-off events. [2021-03-26 05:16:23,835 INFO L130 PetriNetUnfolder]: For 7821/7851 co-relation queries the response was YES. [2021-03-26 05:16:23,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5305 conditions, 724 events. 354/724 cut-off events. For 7821/7851 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3877 event pairs, 13 based on Foata normal form. 17/661 useless extension candidates. Maximal degree in co-relation 5209. Up to 391 conditions per place. [2021-03-26 05:16:23,844 INFO L132 encePairwiseOnDemand]: 79/95 looper letters, 131 selfloop transitions, 112 changer transitions 6/267 dead transitions. [2021-03-26 05:16:23,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 267 transitions, 4805 flow [2021-03-26 05:16:23,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:16:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:16:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 498 transitions. [2021-03-26 05:16:23,845 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5824561403508772 [2021-03-26 05:16:23,845 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 498 transitions. [2021-03-26 05:16:23,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 498 transitions. [2021-03-26 05:16:23,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:23,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 498 transitions. [2021-03-26 05:16:23,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 55.333333333333336) internal successors, (498), 9 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:23,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 95.0) internal successors, (950), 10 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:23,847 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 95.0) internal successors, (950), 10 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:23,847 INFO L185 Difference]: Start difference. First operand has 166 places, 253 transitions, 4160 flow. Second operand 9 states and 498 transitions. [2021-03-26 05:16:23,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 267 transitions, 4805 flow [2021-03-26 05:16:23,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 267 transitions, 4570 flow, removed 40 selfloop flow, removed 10 redundant places. [2021-03-26 05:16:23,886 INFO L241 Difference]: Finished difference. Result has 166 places, 248 transitions, 4131 flow [2021-03-26 05:16:23,886 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=3925, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4131, PETRI_PLACES=166, PETRI_TRANSITIONS=248} [2021-03-26 05:16:23,886 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 113 predicate places. [2021-03-26 05:16:23,886 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:23,886 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 248 transitions, 4131 flow [2021-03-26 05:16:23,886 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 248 transitions, 4131 flow [2021-03-26 05:16:23,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 248 transitions, 4131 flow [2021-03-26 05:16:23,925 INFO L129 PetriNetUnfolder]: 287/619 cut-off events. [2021-03-26 05:16:23,926 INFO L130 PetriNetUnfolder]: For 6942/6950 co-relation queries the response was YES. [2021-03-26 05:16:23,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4347 conditions, 619 events. 287/619 cut-off events. For 6942/6950 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3306 event pairs, 12 based on Foata normal form. 1/549 useless extension candidates. Maximal degree in co-relation 4256. Up to 236 conditions per place. [2021-03-26 05:16:23,931 INFO L142 LiptonReduction]: Number of co-enabled transitions 1018 [2021-03-26 05:16:23,941 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:23,941 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:23,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 05:16:23,942 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 248 transitions, 4131 flow [2021-03-26 05:16:23,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:23,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:23,942 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:23,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 05:16:23,942 INFO L428 AbstractCegarLoop]: === Iteration 32 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:23,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:23,943 INFO L82 PathProgramCache]: Analyzing trace with hash 880653628, now seen corresponding path program 20 times [2021-03-26 05:16:23,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:23,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121190953] [2021-03-26 05:16:23,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:23,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:23,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:23,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:23,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:23,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:23,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:24,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:24,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:24,021 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:24,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:24,032 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:24,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:24,051 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:24,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:24,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121190953] [2021-03-26 05:16:24,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:24,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:24,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362732937] [2021-03-26 05:16:24,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:24,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:24,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:24,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:24,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 95 [2021-03-26 05:16:24,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 248 transitions, 4131 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:24,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:24,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 95 [2021-03-26 05:16:24,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:24,383 INFO L129 PetriNetUnfolder]: 366/750 cut-off events. [2021-03-26 05:16:24,383 INFO L130 PetriNetUnfolder]: For 8321/8329 co-relation queries the response was YES. [2021-03-26 05:16:24,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5542 conditions, 750 events. 366/750 cut-off events. For 8321/8329 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4048 event pairs, 12 based on Foata normal form. 10/674 useless extension candidates. Maximal degree in co-relation 5446. Up to 407 conditions per place. [2021-03-26 05:16:24,389 INFO L132 encePairwiseOnDemand]: 80/95 looper letters, 168 selfloop transitions, 87 changer transitions 0/273 dead transitions. [2021-03-26 05:16:24,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 273 transitions, 5016 flow [2021-03-26 05:16:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 652 transitions. [2021-03-26 05:16:24,390 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5719298245614035 [2021-03-26 05:16:24,390 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 652 transitions. [2021-03-26 05:16:24,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 652 transitions. [2021-03-26 05:16:24,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:24,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 652 transitions. [2021-03-26 05:16:24,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.333333333333336) internal successors, (652), 12 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:24,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 95.0) internal successors, (1235), 13 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:24,393 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 95.0) internal successors, (1235), 13 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:24,393 INFO L185 Difference]: Start difference. First operand has 165 places, 248 transitions, 4131 flow. Second operand 12 states and 652 transitions. [2021-03-26 05:16:24,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 273 transitions, 5016 flow [2021-03-26 05:16:24,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 273 transitions, 4720 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-03-26 05:16:24,430 INFO L241 Difference]: Finished difference. Result has 168 places, 260 transitions, 4358 flow [2021-03-26 05:16:24,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=3835, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4358, PETRI_PLACES=168, PETRI_TRANSITIONS=260} [2021-03-26 05:16:24,430 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 115 predicate places. [2021-03-26 05:16:24,430 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:24,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 260 transitions, 4358 flow [2021-03-26 05:16:24,430 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 260 transitions, 4358 flow [2021-03-26 05:16:24,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 260 transitions, 4358 flow [2021-03-26 05:16:24,477 INFO L129 PetriNetUnfolder]: 306/656 cut-off events. [2021-03-26 05:16:24,477 INFO L130 PetriNetUnfolder]: For 7111/7128 co-relation queries the response was YES. [2021-03-26 05:16:24,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4560 conditions, 656 events. 306/656 cut-off events. For 7111/7128 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3667 event pairs, 9 based on Foata normal form. 1/569 useless extension candidates. Maximal degree in co-relation 4467. Up to 253 conditions per place. [2021-03-26 05:16:24,487 INFO L142 LiptonReduction]: Number of co-enabled transitions 1104 [2021-03-26 05:16:24,540 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:16:24,540 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:24,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 05:16:24,540 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 260 transitions, 4379 flow [2021-03-26 05:16:24,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:24,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:24,541 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:24,541 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 05:16:24,541 INFO L428 AbstractCegarLoop]: === Iteration 33 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:24,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:24,541 INFO L82 PathProgramCache]: Analyzing trace with hash -314633742, now seen corresponding path program 21 times [2021-03-26 05:16:24,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:24,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016695567] [2021-03-26 05:16:24,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:24,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:24,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:24,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:24,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:24,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:24,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:24,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:24,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:24,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:24,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:24,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:24,642 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:24,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:24,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016695567] [2021-03-26 05:16:24,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:24,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:24,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990467614] [2021-03-26 05:16:24,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:24,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:24,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:24,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:24,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 96 [2021-03-26 05:16:24,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 260 transitions, 4379 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:24,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:24,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 96 [2021-03-26 05:16:24,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:24,856 INFO L129 PetriNetUnfolder]: 365/755 cut-off events. [2021-03-26 05:16:24,856 INFO L130 PetriNetUnfolder]: For 8986/9027 co-relation queries the response was YES. [2021-03-26 05:16:24,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5653 conditions, 755 events. 365/755 cut-off events. For 8986/9027 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4150 event pairs, 12 based on Foata normal form. 21/691 useless extension candidates. Maximal degree in co-relation 5553. Up to 471 conditions per place. [2021-03-26 05:16:24,862 INFO L132 encePairwiseOnDemand]: 82/96 looper letters, 222 selfloop transitions, 35 changer transitions 0/275 dead transitions. [2021-03-26 05:16:24,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 275 transitions, 5049 flow [2021-03-26 05:16:24,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 584 transitions. [2021-03-26 05:16:24,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.553030303030303 [2021-03-26 05:16:24,863 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 584 transitions. [2021-03-26 05:16:24,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 584 transitions. [2021-03-26 05:16:24,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:24,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 584 transitions. [2021-03-26 05:16:24,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.09090909090909) internal successors, (584), 11 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:24,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 96.0) internal successors, (1152), 12 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:24,865 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 96.0) internal successors, (1152), 12 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:24,865 INFO L185 Difference]: Start difference. First operand has 168 places, 260 transitions, 4379 flow. Second operand 11 states and 584 transitions. [2021-03-26 05:16:24,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 275 transitions, 5049 flow [2021-03-26 05:16:24,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 275 transitions, 4794 flow, removed 97 selfloop flow, removed 5 redundant places. [2021-03-26 05:16:24,906 INFO L241 Difference]: Finished difference. Result has 176 places, 265 transitions, 4305 flow [2021-03-26 05:16:24,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=4124, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4305, PETRI_PLACES=176, PETRI_TRANSITIONS=265} [2021-03-26 05:16:24,907 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 123 predicate places. [2021-03-26 05:16:24,907 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:24,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 265 transitions, 4305 flow [2021-03-26 05:16:24,907 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 265 transitions, 4305 flow [2021-03-26 05:16:24,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 265 transitions, 4305 flow [2021-03-26 05:16:24,961 INFO L129 PetriNetUnfolder]: 308/661 cut-off events. [2021-03-26 05:16:24,961 INFO L130 PetriNetUnfolder]: For 7645/7659 co-relation queries the response was YES. [2021-03-26 05:16:24,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4590 conditions, 661 events. 308/661 cut-off events. For 7645/7659 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3744 event pairs, 11 based on Foata normal form. 1/578 useless extension candidates. Maximal degree in co-relation 4491. Up to 243 conditions per place. [2021-03-26 05:16:24,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 1132 [2021-03-26 05:16:25,007 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:16:25,008 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:25,008 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-03-26 05:16:25,008 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 265 transitions, 4326 flow [2021-03-26 05:16:25,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,009 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:25,009 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:25,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 05:16:25,009 INFO L428 AbstractCegarLoop]: === Iteration 34 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:25,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:25,009 INFO L82 PathProgramCache]: Analyzing trace with hash -951131700, now seen corresponding path program 1 times [2021-03-26 05:16:25,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:25,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882708836] [2021-03-26 05:16:25,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:25,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:25,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:25,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:25,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:16:25,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,065 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:25,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:25,068 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:25,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:25,081 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:25,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:25,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882708836] [2021-03-26 05:16:25,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:25,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:16:25,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460884936] [2021-03-26 05:16:25,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:16:25,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:25,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:16:25,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:16:25,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97 [2021-03-26 05:16:25,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 265 transitions, 4326 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:25,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97 [2021-03-26 05:16:25,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:25,310 INFO L129 PetriNetUnfolder]: 388/818 cut-off events. [2021-03-26 05:16:25,310 INFO L130 PetriNetUnfolder]: For 9667/9675 co-relation queries the response was YES. [2021-03-26 05:16:25,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5874 conditions, 818 events. 388/818 cut-off events. For 9667/9675 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4603 event pairs, 12 based on Foata normal form. 9/727 useless extension candidates. Maximal degree in co-relation 5765. Up to 453 conditions per place. [2021-03-26 05:16:25,316 INFO L132 encePairwiseOnDemand]: 82/97 looper letters, 200 selfloop transitions, 74 changer transitions 1/293 dead transitions. [2021-03-26 05:16:25,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 293 transitions, 5231 flow [2021-03-26 05:16:25,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:16:25,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:16:25,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 455 transitions. [2021-03-26 05:16:25,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.586340206185567 [2021-03-26 05:16:25,318 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 455 transitions. [2021-03-26 05:16:25,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 455 transitions. [2021-03-26 05:16:25,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:25,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 455 transitions. [2021-03-26 05:16:25,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 56.875) internal successors, (455), 8 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 97.0) internal successors, (873), 9 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,319 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 97.0) internal successors, (873), 9 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,319 INFO L185 Difference]: Start difference. First operand has 176 places, 265 transitions, 4326 flow. Second operand 8 states and 455 transitions. [2021-03-26 05:16:25,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 293 transitions, 5231 flow [2021-03-26 05:16:25,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 293 transitions, 5105 flow, removed 35 selfloop flow, removed 7 redundant places. [2021-03-26 05:16:25,361 INFO L241 Difference]: Finished difference. Result has 179 places, 277 transitions, 4616 flow [2021-03-26 05:16:25,361 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=4200, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4616, PETRI_PLACES=179, PETRI_TRANSITIONS=277} [2021-03-26 05:16:25,361 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 126 predicate places. [2021-03-26 05:16:25,361 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:25,361 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 277 transitions, 4616 flow [2021-03-26 05:16:25,362 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 277 transitions, 4616 flow [2021-03-26 05:16:25,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 277 transitions, 4616 flow [2021-03-26 05:16:25,412 INFO L129 PetriNetUnfolder]: 328/728 cut-off events. [2021-03-26 05:16:25,412 INFO L130 PetriNetUnfolder]: For 8399/8420 co-relation queries the response was YES. [2021-03-26 05:16:25,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5008 conditions, 728 events. 328/728 cut-off events. For 8399/8420 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4228 event pairs, 11 based on Foata normal form. 2/628 useless extension candidates. Maximal degree in co-relation 4901. Up to 250 conditions per place. [2021-03-26 05:16:25,419 INFO L142 LiptonReduction]: Number of co-enabled transitions 1184 [2021-03-26 05:16:25,431 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:25,431 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:25,431 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-26 05:16:25,432 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 277 transitions, 4616 flow [2021-03-26 05:16:25,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:25,432 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:25,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 05:16:25,432 INFO L428 AbstractCegarLoop]: === Iteration 35 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:25,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:25,433 INFO L82 PathProgramCache]: Analyzing trace with hash -431344978, now seen corresponding path program 22 times [2021-03-26 05:16:25,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:25,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264210082] [2021-03-26 05:16:25,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:25,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:25,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:25,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:25,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:25,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:25,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:25,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:25,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:25,528 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:25,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264210082] [2021-03-26 05:16:25,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:25,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:25,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233385109] [2021-03-26 05:16:25,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:25,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:25,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:25,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:25,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97 [2021-03-26 05:16:25,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 277 transitions, 4616 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:25,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97 [2021-03-26 05:16:25,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:25,788 INFO L129 PetriNetUnfolder]: 394/831 cut-off events. [2021-03-26 05:16:25,788 INFO L130 PetriNetUnfolder]: For 10721/10762 co-relation queries the response was YES. [2021-03-26 05:16:25,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6108 conditions, 831 events. 394/831 cut-off events. For 10721/10762 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4728 event pairs, 13 based on Foata normal form. 21/748 useless extension candidates. Maximal degree in co-relation 5995. Up to 468 conditions per place. [2021-03-26 05:16:25,794 INFO L132 encePairwiseOnDemand]: 82/97 looper letters, 205 selfloop transitions, 70 changer transitions 0/293 dead transitions. [2021-03-26 05:16:25,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 293 transitions, 5333 flow [2021-03-26 05:16:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 593 transitions. [2021-03-26 05:16:25,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.555763823805061 [2021-03-26 05:16:25,796 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 593 transitions. [2021-03-26 05:16:25,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 593 transitions. [2021-03-26 05:16:25,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:25,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 593 transitions. [2021-03-26 05:16:25,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.90909090909091) internal successors, (593), 11 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,797 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,797 INFO L185 Difference]: Start difference. First operand has 179 places, 277 transitions, 4616 flow. Second operand 11 states and 593 transitions. [2021-03-26 05:16:25,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 293 transitions, 5333 flow [2021-03-26 05:16:25,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 293 transitions, 5212 flow, removed 37 selfloop flow, removed 2 redundant places. [2021-03-26 05:16:25,837 INFO L241 Difference]: Finished difference. Result has 190 places, 283 transitions, 4793 flow [2021-03-26 05:16:25,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=4495, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4793, PETRI_PLACES=190, PETRI_TRANSITIONS=283} [2021-03-26 05:16:25,837 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 137 predicate places. [2021-03-26 05:16:25,838 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:25,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 283 transitions, 4793 flow [2021-03-26 05:16:25,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 283 transitions, 4793 flow [2021-03-26 05:16:25,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 190 places, 283 transitions, 4793 flow [2021-03-26 05:16:25,890 INFO L129 PetriNetUnfolder]: 332/745 cut-off events. [2021-03-26 05:16:25,890 INFO L130 PetriNetUnfolder]: For 9867/9898 co-relation queries the response was YES. [2021-03-26 05:16:25,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5157 conditions, 745 events. 332/745 cut-off events. For 9867/9898 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4349 event pairs, 15 based on Foata normal form. 4/647 useless extension candidates. Maximal degree in co-relation 5042. Up to 245 conditions per place. [2021-03-26 05:16:25,900 INFO L142 LiptonReduction]: Number of co-enabled transitions 1220 [2021-03-26 05:16:25,938 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:16:25,938 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:25,938 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-03-26 05:16:25,938 INFO L480 AbstractCegarLoop]: Abstraction has has 190 places, 283 transitions, 4818 flow [2021-03-26 05:16:25,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:25,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:25,938 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:25,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 05:16:25,938 INFO L428 AbstractCegarLoop]: === Iteration 36 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:25,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:25,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1928070324, now seen corresponding path program 23 times [2021-03-26 05:16:25,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:25,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988313698] [2021-03-26 05:16:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:25,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:25,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:25,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:25,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:25,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:25,999 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:25,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:26,001 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:26,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:26,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:26,026 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:26,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:26,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:26,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988313698] [2021-03-26 05:16:26,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:26,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:26,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225984202] [2021-03-26 05:16:26,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:26,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:26,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:26,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:26,030 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 05:16:26,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 283 transitions, 4818 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:26,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:26,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 05:16:26,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:26,288 INFO L129 PetriNetUnfolder]: 395/839 cut-off events. [2021-03-26 05:16:26,288 INFO L130 PetriNetUnfolder]: For 11290/11298 co-relation queries the response was YES. [2021-03-26 05:16:26,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6217 conditions, 839 events. 395/839 cut-off events. For 11290/11298 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4801 event pairs, 12 based on Foata normal form. 9/743 useless extension candidates. Maximal degree in co-relation 6097. Up to 507 conditions per place. [2021-03-26 05:16:26,295 INFO L132 encePairwiseOnDemand]: 84/98 looper letters, 244 selfloop transitions, 29 changer transitions 4/295 dead transitions. [2021-03-26 05:16:26,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 295 transitions, 5521 flow [2021-03-26 05:16:26,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:16:26,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:16:26,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 532 transitions. [2021-03-26 05:16:26,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5428571428571428 [2021-03-26 05:16:26,298 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 532 transitions. [2021-03-26 05:16:26,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 532 transitions. [2021-03-26 05:16:26,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:26,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 532 transitions. [2021-03-26 05:16:26,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 53.2) internal successors, (532), 10 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:26,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:26,300 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:26,300 INFO L185 Difference]: Start difference. First operand has 190 places, 283 transitions, 4818 flow. Second operand 10 states and 532 transitions. [2021-03-26 05:16:26,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 295 transitions, 5521 flow [2021-03-26 05:16:26,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 295 transitions, 5355 flow, removed 39 selfloop flow, removed 6 redundant places. [2021-03-26 05:16:26,367 INFO L241 Difference]: Finished difference. Result has 195 places, 283 transitions, 4734 flow [2021-03-26 05:16:26,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=4652, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4734, PETRI_PLACES=195, PETRI_TRANSITIONS=283} [2021-03-26 05:16:26,367 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 142 predicate places. [2021-03-26 05:16:26,367 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:26,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 283 transitions, 4734 flow [2021-03-26 05:16:26,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 283 transitions, 4734 flow [2021-03-26 05:16:26,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 283 transitions, 4734 flow [2021-03-26 05:16:26,428 INFO L129 PetriNetUnfolder]: 331/738 cut-off events. [2021-03-26 05:16:26,428 INFO L130 PetriNetUnfolder]: For 9846/9863 co-relation queries the response was YES. [2021-03-26 05:16:26,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5185 conditions, 738 events. 331/738 cut-off events. For 9846/9863 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4291 event pairs, 22 based on Foata normal form. 2/640 useless extension candidates. Maximal degree in co-relation 5068. Up to 247 conditions per place. [2021-03-26 05:16:26,436 INFO L142 LiptonReduction]: Number of co-enabled transitions 1210 [2021-03-26 05:16:26,445 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:26,445 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:26,445 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-03-26 05:16:26,446 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 283 transitions, 4734 flow [2021-03-26 05:16:26,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:26,446 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:26,446 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:26,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 05:16:26,446 INFO L428 AbstractCegarLoop]: === Iteration 37 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:26,447 INFO L82 PathProgramCache]: Analyzing trace with hash 814183556, now seen corresponding path program 24 times [2021-03-26 05:16:26,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:26,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177800395] [2021-03-26 05:16:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:26,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:26,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:26,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:26,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:26,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:26,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:26,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:26,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:26,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:26,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:26,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:26,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:26,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:26,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:26,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:26,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:26,531 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:26,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:26,547 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:26,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:26,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177800395] [2021-03-26 05:16:26,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:26,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:26,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386569471] [2021-03-26 05:16:26,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:26,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:26,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:26,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:26,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 05:16:26,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 283 transitions, 4734 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:26,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:26,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 05:16:26,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:26,934 INFO L129 PetriNetUnfolder]: 412/869 cut-off events. [2021-03-26 05:16:26,934 INFO L130 PetriNetUnfolder]: For 12459/12500 co-relation queries the response was YES. [2021-03-26 05:16:26,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6674 conditions, 869 events. 412/869 cut-off events. For 12459/12500 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5005 event pairs, 13 based on Foata normal form. 27/790 useless extension candidates. Maximal degree in co-relation 6551. Up to 485 conditions per place. [2021-03-26 05:16:26,945 INFO L132 encePairwiseOnDemand]: 83/98 looper letters, 198 selfloop transitions, 106 changer transitions 3/325 dead transitions. [2021-03-26 05:16:26,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 325 transitions, 6171 flow [2021-03-26 05:16:26,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 761 transitions. [2021-03-26 05:16:26,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5546647230320699 [2021-03-26 05:16:26,947 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 761 transitions. [2021-03-26 05:16:26,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 761 transitions. [2021-03-26 05:16:26,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:26,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 761 transitions. [2021-03-26 05:16:26,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.357142857142854) internal successors, (761), 14 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:26,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:26,949 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:26,949 INFO L185 Difference]: Start difference. First operand has 194 places, 283 transitions, 4734 flow. Second operand 14 states and 761 transitions. [2021-03-26 05:16:26,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 325 transitions, 6171 flow [2021-03-26 05:16:26,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 325 transitions, 6068 flow, removed 22 selfloop flow, removed 9 redundant places. [2021-03-26 05:16:27,004 INFO L241 Difference]: Finished difference. Result has 201 places, 313 transitions, 5671 flow [2021-03-26 05:16:27,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=4635, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5671, PETRI_PLACES=201, PETRI_TRANSITIONS=313} [2021-03-26 05:16:27,004 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 148 predicate places. [2021-03-26 05:16:27,005 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:27,005 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 313 transitions, 5671 flow [2021-03-26 05:16:27,005 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 313 transitions, 5671 flow [2021-03-26 05:16:27,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 313 transitions, 5671 flow [2021-03-26 05:16:27,062 INFO L129 PetriNetUnfolder]: 340/747 cut-off events. [2021-03-26 05:16:27,062 INFO L130 PetriNetUnfolder]: For 9987/9995 co-relation queries the response was YES. [2021-03-26 05:16:27,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5627 conditions, 747 events. 340/747 cut-off events. For 9987/9995 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4420 event pairs, 17 based on Foata normal form. 0/651 useless extension candidates. Maximal degree in co-relation 5510. Up to 264 conditions per place. [2021-03-26 05:16:27,076 INFO L142 LiptonReduction]: Number of co-enabled transitions 1284 [2021-03-26 05:16:27,091 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:27,092 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:27,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-26 05:16:27,092 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 313 transitions, 5671 flow [2021-03-26 05:16:27,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:27,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:27,093 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:27,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 05:16:27,093 INFO L428 AbstractCegarLoop]: === Iteration 38 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:27,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:27,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1171180282, now seen corresponding path program 25 times [2021-03-26 05:16:27,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:27,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440986959] [2021-03-26 05:16:27,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:27,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:27,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:27,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,171 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:27,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:27,186 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:27,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:27,199 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:27,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:27,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440986959] [2021-03-26 05:16:27,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:27,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:27,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665867996] [2021-03-26 05:16:27,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:27,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:27,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:27,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:27,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 05:16:27,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 313 transitions, 5671 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:27,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:27,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 05:16:27,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:27,527 INFO L129 PetriNetUnfolder]: 415/884 cut-off events. [2021-03-26 05:16:27,528 INFO L130 PetriNetUnfolder]: For 12650/12658 co-relation queries the response was YES. [2021-03-26 05:16:27,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6928 conditions, 884 events. 415/884 cut-off events. For 12650/12658 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5164 event pairs, 12 based on Foata normal form. 9/784 useless extension candidates. Maximal degree in co-relation 6803. Up to 527 conditions per place. [2021-03-26 05:16:27,535 INFO L132 encePairwiseOnDemand]: 83/98 looper letters, 260 selfloop transitions, 51 changer transitions 2/331 dead transitions. [2021-03-26 05:16:27,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 331 transitions, 6547 flow [2021-03-26 05:16:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:27,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 685 transitions. [2021-03-26 05:16:27,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5376766091051806 [2021-03-26 05:16:27,536 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 685 transitions. [2021-03-26 05:16:27,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 685 transitions. [2021-03-26 05:16:27,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:27,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 685 transitions. [2021-03-26 05:16:27,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.69230769230769) internal successors, (685), 13 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:27,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:27,538 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:27,538 INFO L185 Difference]: Start difference. First operand has 201 places, 313 transitions, 5671 flow. Second operand 13 states and 685 transitions. [2021-03-26 05:16:27,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 331 transitions, 6547 flow [2021-03-26 05:16:27,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 331 transitions, 6343 flow, removed 64 selfloop flow, removed 6 redundant places. [2021-03-26 05:16:27,593 INFO L241 Difference]: Finished difference. Result has 212 places, 320 transitions, 5779 flow [2021-03-26 05:16:27,593 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5467, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5779, PETRI_PLACES=212, PETRI_TRANSITIONS=320} [2021-03-26 05:16:27,593 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 159 predicate places. [2021-03-26 05:16:27,593 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:27,594 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 320 transitions, 5779 flow [2021-03-26 05:16:27,594 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 320 transitions, 5779 flow [2021-03-26 05:16:27,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 320 transitions, 5779 flow [2021-03-26 05:16:27,651 INFO L129 PetriNetUnfolder]: 340/749 cut-off events. [2021-03-26 05:16:27,651 INFO L130 PetriNetUnfolder]: For 11231/11244 co-relation queries the response was YES. [2021-03-26 05:16:27,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5720 conditions, 749 events. 340/749 cut-off events. For 11231/11244 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4440 event pairs, 8 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 5597. Up to 263 conditions per place. [2021-03-26 05:16:27,660 INFO L142 LiptonReduction]: Number of co-enabled transitions 1320 [2021-03-26 05:16:27,671 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:27,671 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:27,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-03-26 05:16:27,672 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 320 transitions, 5779 flow [2021-03-26 05:16:27,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:27,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:27,672 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:27,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 05:16:27,672 INFO L428 AbstractCegarLoop]: === Iteration 39 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:27,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:27,672 INFO L82 PathProgramCache]: Analyzing trace with hash -362756578, now seen corresponding path program 26 times [2021-03-26 05:16:27,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:27,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489308657] [2021-03-26 05:16:27,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:27,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:27,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:27,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:27,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:27,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,744 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:27,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:27,756 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:27,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:27,773 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:27,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:27,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489308657] [2021-03-26 05:16:27,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:27,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:27,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238943709] [2021-03-26 05:16:27,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:27,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:27,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:27,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:27,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 05:16:27,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 320 transitions, 5779 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:27,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:27,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 05:16:27,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:28,128 INFO L129 PetriNetUnfolder]: 417/893 cut-off events. [2021-03-26 05:16:28,128 INFO L130 PetriNetUnfolder]: For 13594/13635 co-relation queries the response was YES. [2021-03-26 05:16:28,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7039 conditions, 893 events. 417/893 cut-off events. For 13594/13635 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5225 event pairs, 13 based on Foata normal form. 27/809 useless extension candidates. Maximal degree in co-relation 6907. Up to 529 conditions per place. [2021-03-26 05:16:28,137 INFO L132 encePairwiseOnDemand]: 83/98 looper letters, 260 selfloop transitions, 54 changer transitions 2/334 dead transitions. [2021-03-26 05:16:28,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 334 transitions, 6635 flow [2021-03-26 05:16:28,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 689 transitions. [2021-03-26 05:16:28,138 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5408163265306123 [2021-03-26 05:16:28,138 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 689 transitions. [2021-03-26 05:16:28,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 689 transitions. [2021-03-26 05:16:28,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:28,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 689 transitions. [2021-03-26 05:16:28,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.0) internal successors, (689), 13 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:28,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:28,141 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:28,141 INFO L185 Difference]: Start difference. First operand has 211 places, 320 transitions, 5779 flow. Second operand 13 states and 689 transitions. [2021-03-26 05:16:28,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 334 transitions, 6635 flow [2021-03-26 05:16:28,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 334 transitions, 6545 flow, removed 13 selfloop flow, removed 10 redundant places. [2021-03-26 05:16:28,227 INFO L241 Difference]: Finished difference. Result has 218 places, 325 transitions, 5984 flow [2021-03-26 05:16:28,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5693, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5984, PETRI_PLACES=218, PETRI_TRANSITIONS=325} [2021-03-26 05:16:28,228 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 165 predicate places. [2021-03-26 05:16:28,228 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:28,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 325 transitions, 5984 flow [2021-03-26 05:16:28,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 325 transitions, 5984 flow [2021-03-26 05:16:28,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 325 transitions, 5984 flow [2021-03-26 05:16:28,293 INFO L129 PetriNetUnfolder]: 346/779 cut-off events. [2021-03-26 05:16:28,293 INFO L130 PetriNetUnfolder]: For 10894/10905 co-relation queries the response was YES. [2021-03-26 05:16:28,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5938 conditions, 779 events. 346/779 cut-off events. For 10894/10905 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4659 event pairs, 24 based on Foata normal form. 3/682 useless extension candidates. Maximal degree in co-relation 5809. Up to 263 conditions per place. [2021-03-26 05:16:28,303 INFO L142 LiptonReduction]: Number of co-enabled transitions 1356 [2021-03-26 05:16:28,346 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:28,346 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:28,346 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 118 [2021-03-26 05:16:28,346 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 325 transitions, 5990 flow [2021-03-26 05:16:28,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:28,347 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:28,347 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:28,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 05:16:28,347 INFO L428 AbstractCegarLoop]: === Iteration 40 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:28,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:28,347 INFO L82 PathProgramCache]: Analyzing trace with hash 318674084, now seen corresponding path program 27 times [2021-03-26 05:16:28,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:28,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631757144] [2021-03-26 05:16:28,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:28,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:28,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:28,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:28,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:28,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:28,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:28,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:28,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:28,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:28,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:28,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:28,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:28,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:28,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:28,419 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:28,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:28,432 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:28,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:28,447 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:28,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:28,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631757144] [2021-03-26 05:16:28,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:28,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:28,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210597274] [2021-03-26 05:16:28,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:28,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:28,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:28,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:28,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 99 [2021-03-26 05:16:28,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 325 transitions, 5990 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:28,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:28,452 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 99 [2021-03-26 05:16:28,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:28,887 INFO L129 PetriNetUnfolder]: 437/938 cut-off events. [2021-03-26 05:16:28,887 INFO L130 PetriNetUnfolder]: For 14308/14338 co-relation queries the response was YES. [2021-03-26 05:16:28,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7573 conditions, 938 events. 437/938 cut-off events. For 14308/14338 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5606 event pairs, 12 based on Foata normal form. 17/836 useless extension candidates. Maximal degree in co-relation 7436. Up to 501 conditions per place. [2021-03-26 05:16:28,901 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 208 selfloop transitions, 133 changer transitions 4/363 dead transitions. [2021-03-26 05:16:28,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 363 transitions, 7562 flow [2021-03-26 05:16:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 601 transitions. [2021-03-26 05:16:28,903 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.55188246097337 [2021-03-26 05:16:28,903 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 601 transitions. [2021-03-26 05:16:28,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 601 transitions. [2021-03-26 05:16:28,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:28,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 601 transitions. [2021-03-26 05:16:28,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.63636363636363) internal successors, (601), 11 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:28,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 99.0) internal successors, (1188), 12 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:28,905 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 99.0) internal successors, (1188), 12 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:28,905 INFO L185 Difference]: Start difference. First operand has 217 places, 325 transitions, 5990 flow. Second operand 11 states and 601 transitions. [2021-03-26 05:16:28,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 363 transitions, 7562 flow [2021-03-26 05:16:28,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 363 transitions, 7443 flow, removed 25 selfloop flow, removed 8 redundant places. [2021-03-26 05:16:29,002 INFO L241 Difference]: Finished difference. Result has 222 places, 351 transitions, 6986 flow [2021-03-26 05:16:29,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=5877, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6986, PETRI_PLACES=222, PETRI_TRANSITIONS=351} [2021-03-26 05:16:29,003 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 169 predicate places. [2021-03-26 05:16:29,003 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:29,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 351 transitions, 6986 flow [2021-03-26 05:16:29,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 351 transitions, 6986 flow [2021-03-26 05:16:29,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 351 transitions, 6986 flow [2021-03-26 05:16:29,105 INFO L129 PetriNetUnfolder]: 366/832 cut-off events. [2021-03-26 05:16:29,105 INFO L130 PetriNetUnfolder]: For 12845/12858 co-relation queries the response was YES. [2021-03-26 05:16:29,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6604 conditions, 832 events. 366/832 cut-off events. For 12845/12858 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5111 event pairs, 26 based on Foata normal form. 3/725 useless extension candidates. Maximal degree in co-relation 6468. Up to 284 conditions per place. [2021-03-26 05:16:29,122 INFO L142 LiptonReduction]: Number of co-enabled transitions 1496 [2021-03-26 05:16:29,142 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:29,143 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:29,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 140 [2021-03-26 05:16:29,143 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 351 transitions, 6986 flow [2021-03-26 05:16:29,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:29,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:29,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:29,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 05:16:29,144 INFO L428 AbstractCegarLoop]: === Iteration 41 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:29,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:29,144 INFO L82 PathProgramCache]: Analyzing trace with hash 602690997, now seen corresponding path program 1 times [2021-03-26 05:16:29,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:29,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089275900] [2021-03-26 05:16:29,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:29,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:29,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:29,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:29,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:29,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:29,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:29,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:29,231 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:29,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:29,246 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:29,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:29,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089275900] [2021-03-26 05:16:29,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:29,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:29,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425269429] [2021-03-26 05:16:29,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:29,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:29,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:29,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:29,251 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 99 [2021-03-26 05:16:29,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 351 transitions, 6986 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:29,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:29,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 99 [2021-03-26 05:16:29,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:29,555 INFO L129 PetriNetUnfolder]: 432/940 cut-off events. [2021-03-26 05:16:29,555 INFO L130 PetriNetUnfolder]: For 15095/15103 co-relation queries the response was YES. [2021-03-26 05:16:29,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7735 conditions, 940 events. 432/940 cut-off events. For 15095/15103 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5668 event pairs, 12 based on Foata normal form. 9/829 useless extension candidates. Maximal degree in co-relation 7594. Up to 487 conditions per place. [2021-03-26 05:16:29,565 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 198 selfloop transitions, 140 changer transitions 5/361 dead transitions. [2021-03-26 05:16:29,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 361 transitions, 7803 flow [2021-03-26 05:16:29,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:16:29,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:16:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 549 transitions. [2021-03-26 05:16:29,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5545454545454546 [2021-03-26 05:16:29,566 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 549 transitions. [2021-03-26 05:16:29,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 549 transitions. [2021-03-26 05:16:29,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:29,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 549 transitions. [2021-03-26 05:16:29,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.9) internal successors, (549), 10 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:29,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 99.0) internal successors, (1089), 11 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:29,567 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 99.0) internal successors, (1089), 11 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:29,567 INFO L185 Difference]: Start difference. First operand has 222 places, 351 transitions, 6986 flow. Second operand 10 states and 549 transitions. [2021-03-26 05:16:29,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 361 transitions, 7803 flow [2021-03-26 05:16:29,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 361 transitions, 7538 flow, removed 122 selfloop flow, removed 3 redundant places. [2021-03-26 05:16:29,637 INFO L241 Difference]: Finished difference. Result has 230 places, 347 transitions, 7049 flow [2021-03-26 05:16:29,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=6721, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7049, PETRI_PLACES=230, PETRI_TRANSITIONS=347} [2021-03-26 05:16:29,637 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 177 predicate places. [2021-03-26 05:16:29,637 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:29,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 347 transitions, 7049 flow [2021-03-26 05:16:29,638 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 347 transitions, 7049 flow [2021-03-26 05:16:29,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 347 transitions, 7049 flow [2021-03-26 05:16:29,714 INFO L129 PetriNetUnfolder]: 355/800 cut-off events. [2021-03-26 05:16:29,714 INFO L130 PetriNetUnfolder]: For 13262/13270 co-relation queries the response was YES. [2021-03-26 05:16:29,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6508 conditions, 800 events. 355/800 cut-off events. For 13262/13270 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4904 event pairs, 21 based on Foata normal form. 0/694 useless extension candidates. Maximal degree in co-relation 6369. Up to 272 conditions per place. [2021-03-26 05:16:29,730 INFO L142 LiptonReduction]: Number of co-enabled transitions 1460 [2021-03-26 05:16:29,748 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:29,748 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:29,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-26 05:16:29,749 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 347 transitions, 7049 flow [2021-03-26 05:16:29,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:29,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:29,749 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:29,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 05:16:29,750 INFO L428 AbstractCegarLoop]: === Iteration 42 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:29,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:29,750 INFO L82 PathProgramCache]: Analyzing trace with hash 561996664, now seen corresponding path program 28 times [2021-03-26 05:16:29,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:29,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635851566] [2021-03-26 05:16:29,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:29,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:29,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:29,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:29,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:29,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:29,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:29,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:29,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:29,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:29,839 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:29,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:29,856 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:29,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:29,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635851566] [2021-03-26 05:16:29,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:29,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:29,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247937403] [2021-03-26 05:16:29,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:29,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:29,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:29,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:29,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 99 [2021-03-26 05:16:29,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 347 transitions, 7049 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:29,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:29,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 99 [2021-03-26 05:16:29,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:30,379 INFO L129 PetriNetUnfolder]: 433/940 cut-off events. [2021-03-26 05:16:30,379 INFO L130 PetriNetUnfolder]: For 15592/15600 co-relation queries the response was YES. [2021-03-26 05:16:30,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7846 conditions, 940 events. 433/940 cut-off events. For 15592/15600 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5647 event pairs, 12 based on Foata normal form. 9/827 useless extension candidates. Maximal degree in co-relation 7701. Up to 510 conditions per place. [2021-03-26 05:16:30,388 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 235 selfloop transitions, 107 changer transitions 0/360 dead transitions. [2021-03-26 05:16:30,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 360 transitions, 7854 flow [2021-03-26 05:16:30,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:30,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2021-03-26 05:16:30,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5468975468975469 [2021-03-26 05:16:30,389 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 758 transitions. [2021-03-26 05:16:30,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 758 transitions. [2021-03-26 05:16:30,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:30,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 758 transitions. [2021-03-26 05:16:30,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.142857142857146) internal successors, (758), 14 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:30,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:30,391 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:30,391 INFO L185 Difference]: Start difference. First operand has 230 places, 347 transitions, 7049 flow. Second operand 14 states and 758 transitions. [2021-03-26 05:16:30,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 360 transitions, 7854 flow [2021-03-26 05:16:30,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 360 transitions, 7516 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 05:16:30,465 INFO L241 Difference]: Finished difference. Result has 233 places, 350 transitions, 7061 flow [2021-03-26 05:16:30,466 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=6711, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7061, PETRI_PLACES=233, PETRI_TRANSITIONS=350} [2021-03-26 05:16:30,466 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 180 predicate places. [2021-03-26 05:16:30,466 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:30,466 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 233 places, 350 transitions, 7061 flow [2021-03-26 05:16:30,466 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 233 places, 350 transitions, 7061 flow [2021-03-26 05:16:30,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 350 transitions, 7061 flow [2021-03-26 05:16:30,537 INFO L129 PetriNetUnfolder]: 368/847 cut-off events. [2021-03-26 05:16:30,537 INFO L130 PetriNetUnfolder]: For 13533/13545 co-relation queries the response was YES. [2021-03-26 05:16:30,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6686 conditions, 847 events. 368/847 cut-off events. For 13533/13545 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5303 event pairs, 23 based on Foata normal form. 2/734 useless extension candidates. Maximal degree in co-relation 6542. Up to 279 conditions per place. [2021-03-26 05:16:30,548 INFO L142 LiptonReduction]: Number of co-enabled transitions 1484 [2021-03-26 05:16:30,624 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 05:16:30,624 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:30,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-03-26 05:16:30,625 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 350 transitions, 7074 flow [2021-03-26 05:16:30,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:30,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:30,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:30,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 05:16:30,625 INFO L428 AbstractCegarLoop]: === Iteration 43 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:30,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:30,626 INFO L82 PathProgramCache]: Analyzing trace with hash 801999840, now seen corresponding path program 29 times [2021-03-26 05:16:30,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:30,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405534379] [2021-03-26 05:16:30,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:30,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:30,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:30,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:30,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:30,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:30,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:30,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:30,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:30,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:30,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:30,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:30,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:30,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:30,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:30,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:30,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:30,742 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:30,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:30,760 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:30,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:30,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405534379] [2021-03-26 05:16:30,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:30,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:30,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898814098] [2021-03-26 05:16:30,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:30,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:30,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:30,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:30,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 100 [2021-03-26 05:16:30,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 350 transitions, 7074 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:30,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:30,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 100 [2021-03-26 05:16:30,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:31,134 INFO L129 PetriNetUnfolder]: 436/952 cut-off events. [2021-03-26 05:16:31,134 INFO L130 PetriNetUnfolder]: For 15482/15490 co-relation queries the response was YES. [2021-03-26 05:16:31,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7858 conditions, 952 events. 436/952 cut-off events. For 15482/15490 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5747 event pairs, 17 based on Foata normal form. 9/834 useless extension candidates. Maximal degree in co-relation 7712. Up to 551 conditions per place. [2021-03-26 05:16:31,144 INFO L132 encePairwiseOnDemand]: 84/100 looper letters, 295 selfloop transitions, 48 changer transitions 0/361 dead transitions. [2021-03-26 05:16:31,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 361 transitions, 7865 flow [2021-03-26 05:16:31,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 639 transitions. [2021-03-26 05:16:31,145 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5325 [2021-03-26 05:16:31,145 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 639 transitions. [2021-03-26 05:16:31,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 639 transitions. [2021-03-26 05:16:31,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:31,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 639 transitions. [2021-03-26 05:16:31,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.25) internal successors, (639), 12 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:31,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 100.0) internal successors, (1300), 13 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:31,147 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 100.0) internal successors, (1300), 13 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:31,147 INFO L185 Difference]: Start difference. First operand has 233 places, 350 transitions, 7074 flow. Second operand 12 states and 639 transitions. [2021-03-26 05:16:31,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 361 transitions, 7865 flow [2021-03-26 05:16:31,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 361 transitions, 7669 flow, removed 23 selfloop flow, removed 8 redundant places. [2021-03-26 05:16:31,224 INFO L241 Difference]: Finished difference. Result has 239 places, 353 transitions, 7075 flow [2021-03-26 05:16:31,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=6878, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7075, PETRI_PLACES=239, PETRI_TRANSITIONS=353} [2021-03-26 05:16:31,225 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 186 predicate places. [2021-03-26 05:16:31,225 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:31,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 353 transitions, 7075 flow [2021-03-26 05:16:31,225 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 353 transitions, 7075 flow [2021-03-26 05:16:31,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 353 transitions, 7075 flow [2021-03-26 05:16:31,296 INFO L129 PetriNetUnfolder]: 369/845 cut-off events. [2021-03-26 05:16:31,296 INFO L130 PetriNetUnfolder]: For 14562/14572 co-relation queries the response was YES. [2021-03-26 05:16:31,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6608 conditions, 845 events. 369/845 cut-off events. For 14562/14572 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5281 event pairs, 18 based on Foata normal form. 0/727 useless extension candidates. Maximal degree in co-relation 6459. Up to 276 conditions per place. [2021-03-26 05:16:31,307 INFO L142 LiptonReduction]: Number of co-enabled transitions 1508 [2021-03-26 05:16:31,327 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:31,328 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:31,328 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-26 05:16:31,328 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 353 transitions, 7075 flow [2021-03-26 05:16:31,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:31,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:31,328 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:31,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 05:16:31,329 INFO L428 AbstractCegarLoop]: === Iteration 44 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:31,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:31,329 INFO L82 PathProgramCache]: Analyzing trace with hash -541876450, now seen corresponding path program 30 times [2021-03-26 05:16:31,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:31,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917115284] [2021-03-26 05:16:31,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:31,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:31,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:31,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:31,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:31,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:31,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:31,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:31,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:31,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:31,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:31,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:31,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:31,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:31,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:31,398 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:31,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:31,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:31,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:31,423 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:31,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:31,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917115284] [2021-03-26 05:16:31,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:31,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:31,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782638228] [2021-03-26 05:16:31,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:31,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:31,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:31,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:31,428 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 100 [2021-03-26 05:16:31,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 353 transitions, 7075 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:31,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:31,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 100 [2021-03-26 05:16:31,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:31,890 INFO L129 PetriNetUnfolder]: 453/1001 cut-off events. [2021-03-26 05:16:31,890 INFO L130 PetriNetUnfolder]: For 17028/17100 co-relation queries the response was YES. [2021-03-26 05:16:31,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8235 conditions, 1001 events. 453/1001 cut-off events. For 17028/17100 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6186 event pairs, 19 based on Foata normal form. 30/896 useless extension candidates. Maximal degree in co-relation 8081. Up to 488 conditions per place. [2021-03-26 05:16:31,900 INFO L132 encePairwiseOnDemand]: 84/100 looper letters, 189 selfloop transitions, 161 changer transitions 15/383 dead transitions. [2021-03-26 05:16:31,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 383 transitions, 8496 flow [2021-03-26 05:16:31,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:16:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:16:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 813 transitions. [2021-03-26 05:16:31,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.542 [2021-03-26 05:16:31,901 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 813 transitions. [2021-03-26 05:16:31,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 813 transitions. [2021-03-26 05:16:31,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:31,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 813 transitions. [2021-03-26 05:16:31,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.2) internal successors, (813), 15 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:31,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 100.0) internal successors, (1600), 16 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:31,904 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 100.0) internal successors, (1600), 16 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:31,904 INFO L185 Difference]: Start difference. First operand has 239 places, 353 transitions, 7075 flow. Second operand 15 states and 813 transitions. [2021-03-26 05:16:31,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 383 transitions, 8496 flow [2021-03-26 05:16:31,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 383 transitions, 8382 flow, removed 21 selfloop flow, removed 8 redundant places. [2021-03-26 05:16:31,997 INFO L241 Difference]: Finished difference. Result has 249 places, 359 transitions, 7629 flow [2021-03-26 05:16:31,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=6961, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7629, PETRI_PLACES=249, PETRI_TRANSITIONS=359} [2021-03-26 05:16:31,998 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 196 predicate places. [2021-03-26 05:16:31,998 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:31,998 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 359 transitions, 7629 flow [2021-03-26 05:16:31,998 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 359 transitions, 7629 flow [2021-03-26 05:16:32,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 359 transitions, 7629 flow [2021-03-26 05:16:32,110 INFO L129 PetriNetUnfolder]: 369/866 cut-off events. [2021-03-26 05:16:32,111 INFO L130 PetriNetUnfolder]: For 14848/14857 co-relation queries the response was YES. [2021-03-26 05:16:32,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7019 conditions, 866 events. 369/866 cut-off events. For 14848/14857 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5506 event pairs, 18 based on Foata normal form. 0/746 useless extension candidates. Maximal degree in co-relation 6862. Up to 280 conditions per place. [2021-03-26 05:16:32,123 INFO L142 LiptonReduction]: Number of co-enabled transitions 1522 [2021-03-26 05:16:32,137 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:32,137 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:32,137 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 139 [2021-03-26 05:16:32,138 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 359 transitions, 7629 flow [2021-03-26 05:16:32,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:32,138 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:32,138 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:32,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 05:16:32,138 INFO L428 AbstractCegarLoop]: === Iteration 45 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:32,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:32,139 INFO L82 PathProgramCache]: Analyzing trace with hash 179704628, now seen corresponding path program 31 times [2021-03-26 05:16:32,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:32,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635108879] [2021-03-26 05:16:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:32,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:32,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:32,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:32,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:32,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:32,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:32,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:32,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:32,225 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:32,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:32,237 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:32,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:32,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635108879] [2021-03-26 05:16:32,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:32,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:32,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017344990] [2021-03-26 05:16:32,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:32,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:32,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:32,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:32,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 100 [2021-03-26 05:16:32,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 359 transitions, 7629 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:32,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:32,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 100 [2021-03-26 05:16:32,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:32,587 INFO L129 PetriNetUnfolder]: 436/978 cut-off events. [2021-03-26 05:16:32,588 INFO L130 PetriNetUnfolder]: For 17376/17384 co-relation queries the response was YES. [2021-03-26 05:16:32,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8292 conditions, 978 events. 436/978 cut-off events. For 17376/17384 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6067 event pairs, 19 based on Foata normal form. 9/857 useless extension candidates. Maximal degree in co-relation 8132. Up to 546 conditions per place. [2021-03-26 05:16:32,597 INFO L132 encePairwiseOnDemand]: 84/100 looper letters, 285 selfloop transitions, 68 changer transitions 0/371 dead transitions. [2021-03-26 05:16:32,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 371 transitions, 8475 flow [2021-03-26 05:16:32,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 743 transitions. [2021-03-26 05:16:32,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5307142857142857 [2021-03-26 05:16:32,598 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 743 transitions. [2021-03-26 05:16:32,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 743 transitions. [2021-03-26 05:16:32,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:32,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 743 transitions. [2021-03-26 05:16:32,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.07142857142857) internal successors, (743), 14 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:32,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 100.0) internal successors, (1500), 15 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:32,601 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 100.0) internal successors, (1500), 15 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:32,601 INFO L185 Difference]: Start difference. First operand has 249 places, 359 transitions, 7629 flow. Second operand 14 states and 743 transitions. [2021-03-26 05:16:32,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 371 transitions, 8475 flow [2021-03-26 05:16:32,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 371 transitions, 8276 flow, removed 92 selfloop flow, removed 2 redundant places. [2021-03-26 05:16:32,717 INFO L241 Difference]: Finished difference. Result has 263 places, 362 transitions, 7712 flow [2021-03-26 05:16:32,717 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=7430, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7712, PETRI_PLACES=263, PETRI_TRANSITIONS=362} [2021-03-26 05:16:32,717 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 210 predicate places. [2021-03-26 05:16:32,717 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:32,717 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 263 places, 362 transitions, 7712 flow [2021-03-26 05:16:32,718 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 263 places, 362 transitions, 7712 flow [2021-03-26 05:16:32,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 362 transitions, 7712 flow [2021-03-26 05:16:32,799 INFO L129 PetriNetUnfolder]: 372/878 cut-off events. [2021-03-26 05:16:32,800 INFO L130 PetriNetUnfolder]: For 15478/15487 co-relation queries the response was YES. [2021-03-26 05:16:32,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7101 conditions, 878 events. 372/878 cut-off events. For 15478/15487 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5676 event pairs, 17 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 6936. Up to 277 conditions per place. [2021-03-26 05:16:32,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 1558 [2021-03-26 05:16:32,882 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:32,882 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:32,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 165 [2021-03-26 05:16:32,883 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 362 transitions, 7717 flow [2021-03-26 05:16:32,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:32,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:32,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:32,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 05:16:32,883 INFO L428 AbstractCegarLoop]: === Iteration 46 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:32,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:32,883 INFO L82 PathProgramCache]: Analyzing trace with hash 917650036, now seen corresponding path program 32 times [2021-03-26 05:16:32,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:32,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828700270] [2021-03-26 05:16:32,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:32,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:32,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:32,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:32,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:32,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:32,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:32,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:32,961 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:32,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:32,977 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:32,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:32,993 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:32,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:32,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828700270] [2021-03-26 05:16:32,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:32,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:32,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016720888] [2021-03-26 05:16:32,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:32,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:32,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:32,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:32,997 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:32,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 362 transitions, 7717 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:32,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:32,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:32,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:33,472 INFO L129 PetriNetUnfolder]: 448/1015 cut-off events. [2021-03-26 05:16:33,472 INFO L130 PetriNetUnfolder]: For 18568/18666 co-relation queries the response was YES. [2021-03-26 05:16:33,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8494 conditions, 1015 events. 448/1015 cut-off events. For 18568/18666 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6435 event pairs, 20 based on Foata normal form. 39/914 useless extension candidates. Maximal degree in co-relation 8325. Up to 540 conditions per place. [2021-03-26 05:16:33,483 INFO L132 encePairwiseOnDemand]: 85/101 looper letters, 269 selfloop transitions, 90 changer transitions 5/382 dead transitions. [2021-03-26 05:16:33,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 382 transitions, 8726 flow [2021-03-26 05:16:33,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 753 transitions. [2021-03-26 05:16:33,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5325318246110325 [2021-03-26 05:16:33,491 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 753 transitions. [2021-03-26 05:16:33,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 753 transitions. [2021-03-26 05:16:33,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:33,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 753 transitions. [2021-03-26 05:16:33,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.785714285714285) internal successors, (753), 14 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:33,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:33,494 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:33,494 INFO L185 Difference]: Start difference. First operand has 263 places, 362 transitions, 7717 flow. Second operand 14 states and 753 transitions. [2021-03-26 05:16:33,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 382 transitions, 8726 flow [2021-03-26 05:16:33,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 382 transitions, 8566 flow, removed 34 selfloop flow, removed 9 redundant places. [2021-03-26 05:16:33,605 INFO L241 Difference]: Finished difference. Result has 270 places, 366 transitions, 7857 flow [2021-03-26 05:16:33,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=7561, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7857, PETRI_PLACES=270, PETRI_TRANSITIONS=366} [2021-03-26 05:16:33,606 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 217 predicate places. [2021-03-26 05:16:33,606 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:33,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 270 places, 366 transitions, 7857 flow [2021-03-26 05:16:33,606 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 270 places, 366 transitions, 7857 flow [2021-03-26 05:16:33,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 270 places, 366 transitions, 7857 flow [2021-03-26 05:16:33,706 INFO L129 PetriNetUnfolder]: 380/892 cut-off events. [2021-03-26 05:16:33,707 INFO L130 PetriNetUnfolder]: For 15288/15298 co-relation queries the response was YES. [2021-03-26 05:16:33,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7209 conditions, 892 events. 380/892 cut-off events. For 15288/15298 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5727 event pairs, 12 based on Foata normal form. 0/763 useless extension candidates. Maximal degree in co-relation 7097. Up to 280 conditions per place. [2021-03-26 05:16:33,718 INFO L142 LiptonReduction]: Number of co-enabled transitions 1622 [2021-03-26 05:16:33,732 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:33,732 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:33,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-03-26 05:16:33,732 INFO L480 AbstractCegarLoop]: Abstraction has has 270 places, 366 transitions, 7857 flow [2021-03-26 05:16:33,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:33,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:33,732 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:33,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 05:16:33,732 INFO L428 AbstractCegarLoop]: === Iteration 47 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:33,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:33,733 INFO L82 PathProgramCache]: Analyzing trace with hash 917406251, now seen corresponding path program 1 times [2021-03-26 05:16:33,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:33,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869959345] [2021-03-26 05:16:33,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:33,747 INFO L142 QuantifierPusher]: treesize reduction 28, result has 20.0 percent of original size [2021-03-26 05:16:33,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:33,751 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:16:33,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:33,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:16:33,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:33,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:33,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:16:33,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:33,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:33,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:33,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:33,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:33,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:33,815 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:33,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:33,830 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:33,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869959345] [2021-03-26 05:16:33,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:33,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:33,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422930145] [2021-03-26 05:16:33,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:33,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:33,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:33,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:33,834 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:33,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 366 transitions, 7857 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:33,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:33,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:33,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:34,151 INFO L129 PetriNetUnfolder]: 444/1003 cut-off events. [2021-03-26 05:16:34,151 INFO L130 PetriNetUnfolder]: For 17849/17857 co-relation queries the response was YES. [2021-03-26 05:16:34,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8460 conditions, 1003 events. 444/1003 cut-off events. For 17849/17857 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 6289 event pairs, 19 based on Foata normal form. 9/875 useless extension candidates. Maximal degree in co-relation 8344. Up to 576 conditions per place. [2021-03-26 05:16:34,162 INFO L132 encePairwiseOnDemand]: 85/101 looper letters, 326 selfloop transitions, 23 changer transitions 7/374 dead transitions. [2021-03-26 05:16:34,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 374 transitions, 8614 flow [2021-03-26 05:16:34,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:34,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:34,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 628 transitions. [2021-03-26 05:16:34,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5181518151815182 [2021-03-26 05:16:34,163 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 628 transitions. [2021-03-26 05:16:34,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 628 transitions. [2021-03-26 05:16:34,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:34,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 628 transitions. [2021-03-26 05:16:34,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.333333333333336) internal successors, (628), 12 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:34,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:34,165 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:34,165 INFO L185 Difference]: Start difference. First operand has 270 places, 366 transitions, 7857 flow. Second operand 12 states and 628 transitions. [2021-03-26 05:16:34,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 374 transitions, 8614 flow [2021-03-26 05:16:34,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 374 transitions, 8382 flow, removed 59 selfloop flow, removed 10 redundant places. [2021-03-26 05:16:34,291 INFO L241 Difference]: Finished difference. Result has 273 places, 360 transitions, 7613 flow [2021-03-26 05:16:34,291 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=7625, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7613, PETRI_PLACES=273, PETRI_TRANSITIONS=360} [2021-03-26 05:16:34,291 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 220 predicate places. [2021-03-26 05:16:34,291 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:34,291 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 360 transitions, 7613 flow [2021-03-26 05:16:34,292 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 360 transitions, 7613 flow [2021-03-26 05:16:34,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 267 places, 360 transitions, 7613 flow [2021-03-26 05:16:34,400 INFO L129 PetriNetUnfolder]: 364/850 cut-off events. [2021-03-26 05:16:34,400 INFO L130 PetriNetUnfolder]: For 15967/15976 co-relation queries the response was YES. [2021-03-26 05:16:34,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7014 conditions, 850 events. 364/850 cut-off events. For 15967/15976 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5404 event pairs, 19 based on Foata normal form. 0/734 useless extension candidates. Maximal degree in co-relation 6911. Up to 271 conditions per place. [2021-03-26 05:16:34,420 INFO L142 LiptonReduction]: Number of co-enabled transitions 1590 [2021-03-26 05:16:34,440 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:34,440 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:34,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-03-26 05:16:34,441 INFO L480 AbstractCegarLoop]: Abstraction has has 267 places, 360 transitions, 7613 flow [2021-03-26 05:16:34,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:34,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:34,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:34,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 05:16:34,441 INFO L428 AbstractCegarLoop]: === Iteration 48 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:34,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:34,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1441950104, now seen corresponding path program 33 times [2021-03-26 05:16:34,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:34,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109022654] [2021-03-26 05:16:34,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:34,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:34,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:34,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:34,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:34,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:34,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:34,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:34,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:34,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:34,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:34,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:34,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:34,522 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:34,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:34,538 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:34,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:34,555 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:34,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:34,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109022654] [2021-03-26 05:16:34,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:34,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:34,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532425838] [2021-03-26 05:16:34,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:34,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:34,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:34,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:34,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:34,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 360 transitions, 7613 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:34,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:34,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:34,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:34,944 INFO L129 PetriNetUnfolder]: 439/989 cut-off events. [2021-03-26 05:16:34,944 INFO L130 PetriNetUnfolder]: For 18033/18089 co-relation queries the response was YES. [2021-03-26 05:16:34,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8321 conditions, 989 events. 439/989 cut-off events. For 18033/18089 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6159 event pairs, 20 based on Foata normal form. 37/892 useless extension candidates. Maximal degree in co-relation 8204. Up to 551 conditions per place. [2021-03-26 05:16:34,956 INFO L132 encePairwiseOnDemand]: 85/101 looper letters, 292 selfloop transitions, 59 changer transitions 3/372 dead transitions. [2021-03-26 05:16:34,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 372 transitions, 8419 flow [2021-03-26 05:16:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 738 transitions. [2021-03-26 05:16:34,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.521923620933522 [2021-03-26 05:16:34,957 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 738 transitions. [2021-03-26 05:16:34,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 738 transitions. [2021-03-26 05:16:34,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:34,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 738 transitions. [2021-03-26 05:16:34,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.714285714285715) internal successors, (738), 14 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:34,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:34,960 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:34,960 INFO L185 Difference]: Start difference. First operand has 267 places, 360 transitions, 7613 flow. Second operand 14 states and 738 transitions. [2021-03-26 05:16:34,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 372 transitions, 8419 flow [2021-03-26 05:16:35,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 372 transitions, 8350 flow, removed 7 selfloop flow, removed 10 redundant places. [2021-03-26 05:16:35,077 INFO L241 Difference]: Finished difference. Result has 272 places, 358 transitions, 7643 flow [2021-03-26 05:16:35,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=7550, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7643, PETRI_PLACES=272, PETRI_TRANSITIONS=358} [2021-03-26 05:16:35,077 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 219 predicate places. [2021-03-26 05:16:35,077 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:35,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 272 places, 358 transitions, 7643 flow [2021-03-26 05:16:35,078 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 272 places, 358 transitions, 7643 flow [2021-03-26 05:16:35,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 271 places, 358 transitions, 7643 flow [2021-03-26 05:16:35,165 INFO L129 PetriNetUnfolder]: 377/904 cut-off events. [2021-03-26 05:16:35,165 INFO L130 PetriNetUnfolder]: For 14817/14826 co-relation queries the response was YES. [2021-03-26 05:16:35,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7130 conditions, 904 events. 377/904 cut-off events. For 14817/14826 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5853 event pairs, 7 based on Foata normal form. 3/775 useless extension candidates. Maximal degree in co-relation 7019. Up to 272 conditions per place. [2021-03-26 05:16:35,177 INFO L142 LiptonReduction]: Number of co-enabled transitions 1590 [2021-03-26 05:16:35,192 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:35,192 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:35,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-03-26 05:16:35,192 INFO L480 AbstractCegarLoop]: Abstraction has has 271 places, 358 transitions, 7643 flow [2021-03-26 05:16:35,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:35,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:35,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:35,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 05:16:35,193 INFO L428 AbstractCegarLoop]: === Iteration 49 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:35,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:35,193 INFO L82 PathProgramCache]: Analyzing trace with hash 193804890, now seen corresponding path program 34 times [2021-03-26 05:16:35,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:35,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538451633] [2021-03-26 05:16:35,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:35,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:35,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:35,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:35,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:35,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:35,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:35,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:35,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:35,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:35,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:35,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:35,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:35,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:35,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:35,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:35,274 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:35,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:35,287 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:35,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:35,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538451633] [2021-03-26 05:16:35,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:35,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:35,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397511205] [2021-03-26 05:16:35,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:35,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:35,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:35,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:35,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:35,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 358 transitions, 7643 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:35,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:35,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:35,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:35,677 INFO L129 PetriNetUnfolder]: 436/975 cut-off events. [2021-03-26 05:16:35,677 INFO L130 PetriNetUnfolder]: For 17494/17550 co-relation queries the response was YES. [2021-03-26 05:16:35,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8298 conditions, 975 events. 436/975 cut-off events. For 17494/17550 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6008 event pairs, 20 based on Foata normal form. 37/882 useless extension candidates. Maximal degree in co-relation 8196. Up to 546 conditions per place. [2021-03-26 05:16:35,687 INFO L132 encePairwiseOnDemand]: 85/101 looper letters, 282 selfloop transitions, 66 changer transitions 5/371 dead transitions. [2021-03-26 05:16:35,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 371 transitions, 8433 flow [2021-03-26 05:16:35,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 752 transitions. [2021-03-26 05:16:35,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5318246110325319 [2021-03-26 05:16:35,688 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 752 transitions. [2021-03-26 05:16:35,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 752 transitions. [2021-03-26 05:16:35,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:35,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 752 transitions. [2021-03-26 05:16:35,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.714285714285715) internal successors, (752), 14 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:35,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:35,690 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:35,690 INFO L185 Difference]: Start difference. First operand has 271 places, 358 transitions, 7643 flow. Second operand 14 states and 752 transitions. [2021-03-26 05:16:35,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 371 transitions, 8433 flow [2021-03-26 05:16:35,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 371 transitions, 8293 flow, removed 4 selfloop flow, removed 14 redundant places. [2021-03-26 05:16:35,816 INFO L241 Difference]: Finished difference. Result has 272 places, 355 transitions, 7559 flow [2021-03-26 05:16:35,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=7503, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7559, PETRI_PLACES=272, PETRI_TRANSITIONS=355} [2021-03-26 05:16:35,817 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 219 predicate places. [2021-03-26 05:16:35,817 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:35,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 272 places, 355 transitions, 7559 flow [2021-03-26 05:16:35,817 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 272 places, 355 transitions, 7559 flow [2021-03-26 05:16:35,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 355 transitions, 7559 flow [2021-03-26 05:16:35,927 INFO L129 PetriNetUnfolder]: 363/850 cut-off events. [2021-03-26 05:16:35,928 INFO L130 PetriNetUnfolder]: For 14834/14843 co-relation queries the response was YES. [2021-03-26 05:16:35,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6925 conditions, 850 events. 363/850 cut-off events. For 14834/14843 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5412 event pairs, 12 based on Foata normal form. 0/730 useless extension candidates. Maximal degree in co-relation 6814. Up to 267 conditions per place. [2021-03-26 05:16:35,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 1538 [2021-03-26 05:16:35,967 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:35,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:35,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-03-26 05:16:35,967 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 355 transitions, 7559 flow [2021-03-26 05:16:35,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:35,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:35,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:35,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 05:16:35,968 INFO L428 AbstractCegarLoop]: === Iteration 50 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:35,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:35,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1336645256, now seen corresponding path program 35 times [2021-03-26 05:16:35,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:35,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317425346] [2021-03-26 05:16:35,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:35,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:35,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:36,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:36,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:36,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:36,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:36,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:36,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:36,080 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:36,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:36,097 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:36,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:36,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317425346] [2021-03-26 05:16:36,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:36,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:36,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391123155] [2021-03-26 05:16:36,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:36,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:36,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:36,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:36,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:36,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 355 transitions, 7559 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:36,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:36,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:36,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:36,546 INFO L129 PetriNetUnfolder]: 432/971 cut-off events. [2021-03-26 05:16:36,546 INFO L130 PetriNetUnfolder]: For 16924/16954 co-relation queries the response was YES. [2021-03-26 05:16:36,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8250 conditions, 971 events. 432/971 cut-off events. For 16924/16954 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5993 event pairs, 19 based on Foata normal form. 17/859 useless extension candidates. Maximal degree in co-relation 8131. Up to 537 conditions per place. [2021-03-26 05:16:36,557 INFO L132 encePairwiseOnDemand]: 85/101 looper letters, 277 selfloop transitions, 65 changer transitions 7/367 dead transitions. [2021-03-26 05:16:36,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 367 transitions, 8329 flow [2021-03-26 05:16:36,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:36,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 691 transitions. [2021-03-26 05:16:36,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5262757044935262 [2021-03-26 05:16:36,583 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 691 transitions. [2021-03-26 05:16:36,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 691 transitions. [2021-03-26 05:16:36,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:36,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 691 transitions. [2021-03-26 05:16:36,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.15384615384615) internal successors, (691), 13 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:36,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:36,585 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:36,586 INFO L185 Difference]: Start difference. First operand has 272 places, 355 transitions, 7559 flow. Second operand 13 states and 691 transitions. [2021-03-26 05:16:36,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 367 transitions, 8329 flow [2021-03-26 05:16:36,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 367 transitions, 8105 flow, removed 4 selfloop flow, removed 17 redundant places. [2021-03-26 05:16:36,684 INFO L241 Difference]: Finished difference. Result has 269 places, 349 transitions, 7411 flow [2021-03-26 05:16:36,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=7335, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7411, PETRI_PLACES=269, PETRI_TRANSITIONS=349} [2021-03-26 05:16:36,684 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 216 predicate places. [2021-03-26 05:16:36,684 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:36,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 349 transitions, 7411 flow [2021-03-26 05:16:36,684 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 349 transitions, 7411 flow [2021-03-26 05:16:36,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 266 places, 349 transitions, 7411 flow [2021-03-26 05:16:36,765 INFO L129 PetriNetUnfolder]: 357/836 cut-off events. [2021-03-26 05:16:36,765 INFO L130 PetriNetUnfolder]: For 15258/15292 co-relation queries the response was YES. [2021-03-26 05:16:36,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6896 conditions, 836 events. 357/836 cut-off events. For 15258/15292 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 5263 event pairs, 17 based on Foata normal form. 0/720 useless extension candidates. Maximal degree in co-relation 6796. Up to 266 conditions per place. [2021-03-26 05:16:36,777 INFO L142 LiptonReduction]: Number of co-enabled transitions 1514 [2021-03-26 05:16:36,790 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:36,790 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:36,790 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 05:16:36,791 INFO L480 AbstractCegarLoop]: Abstraction has has 266 places, 349 transitions, 7411 flow [2021-03-26 05:16:36,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:36,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:36,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:36,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 05:16:36,791 INFO L428 AbstractCegarLoop]: === Iteration 51 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:36,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:36,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1737487308, now seen corresponding path program 36 times [2021-03-26 05:16:36,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:36,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646153468] [2021-03-26 05:16:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:36,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:36,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:36,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:36,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:36,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:36,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:36,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:36,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:36,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:36,887 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:36,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:36,903 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:36,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:36,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646153468] [2021-03-26 05:16:36,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:36,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:36,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653738495] [2021-03-26 05:16:36,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:36,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:36,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:36,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:36,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:36,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 349 transitions, 7411 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:36,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:36,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:36,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:37,393 INFO L129 PetriNetUnfolder]: 432/970 cut-off events. [2021-03-26 05:16:37,394 INFO L130 PetriNetUnfolder]: For 17132/17188 co-relation queries the response was YES. [2021-03-26 05:16:37,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8195 conditions, 970 events. 432/970 cut-off events. For 17132/17188 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5974 event pairs, 20 based on Foata normal form. 30/870 useless extension candidates. Maximal degree in co-relation 8093. Up to 532 conditions per place. [2021-03-26 05:16:37,409 INFO L132 encePairwiseOnDemand]: 85/101 looper letters, 276 selfloop transitions, 64 changer transitions 7/365 dead transitions. [2021-03-26 05:16:37,409 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 365 transitions, 8249 flow [2021-03-26 05:16:37,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 700 transitions. [2021-03-26 05:16:37,410 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5331302361005331 [2021-03-26 05:16:37,410 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 700 transitions. [2021-03-26 05:16:37,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 700 transitions. [2021-03-26 05:16:37,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:37,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 700 transitions. [2021-03-26 05:16:37,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.84615384615385) internal successors, (700), 13 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:37,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:37,413 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:37,413 INFO L185 Difference]: Start difference. First operand has 266 places, 349 transitions, 7411 flow. Second operand 13 states and 700 transitions. [2021-03-26 05:16:37,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 365 transitions, 8249 flow [2021-03-26 05:16:37,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 365 transitions, 8027 flow, removed 5 selfloop flow, removed 19 redundant places. [2021-03-26 05:16:37,526 INFO L241 Difference]: Finished difference. Result has 262 places, 346 transitions, 7267 flow [2021-03-26 05:16:37,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=7189, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7267, PETRI_PLACES=262, PETRI_TRANSITIONS=346} [2021-03-26 05:16:37,526 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 209 predicate places. [2021-03-26 05:16:37,526 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:37,527 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 262 places, 346 transitions, 7267 flow [2021-03-26 05:16:37,527 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 262 places, 346 transitions, 7267 flow [2021-03-26 05:16:37,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 346 transitions, 7267 flow [2021-03-26 05:16:37,603 INFO L129 PetriNetUnfolder]: 361/842 cut-off events. [2021-03-26 05:16:37,603 INFO L130 PetriNetUnfolder]: For 14703/14712 co-relation queries the response was YES. [2021-03-26 05:16:37,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6842 conditions, 842 events. 361/842 cut-off events. For 14703/14712 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 5321 event pairs, 19 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 6744. Up to 268 conditions per place. [2021-03-26 05:16:37,614 INFO L142 LiptonReduction]: Number of co-enabled transitions 1512 [2021-03-26 05:16:37,630 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:37,630 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:37,630 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-26 05:16:37,631 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 346 transitions, 7267 flow [2021-03-26 05:16:37,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:37,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:37,631 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:37,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 05:16:37,631 INFO L428 AbstractCegarLoop]: === Iteration 52 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:37,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:37,631 INFO L82 PathProgramCache]: Analyzing trace with hash -648323466, now seen corresponding path program 37 times [2021-03-26 05:16:37,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:37,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139914555] [2021-03-26 05:16:37,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:37,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:37,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:37,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:37,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:37,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:37,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:37,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:37,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:37,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:37,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:37,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:37,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:37,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:37,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:37,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:37,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:37,722 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:37,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:37,737 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:37,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:37,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:37,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139914555] [2021-03-26 05:16:37,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:37,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:37,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780997709] [2021-03-26 05:16:37,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:37,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:37,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:37,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:37,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:37,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 346 transitions, 7267 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:37,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:37,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:37,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:38,113 INFO L129 PetriNetUnfolder]: 426/949 cut-off events. [2021-03-26 05:16:38,113 INFO L130 PetriNetUnfolder]: For 16532/16547 co-relation queries the response was YES. [2021-03-26 05:16:38,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8062 conditions, 949 events. 426/949 cut-off events. For 16532/16547 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5806 event pairs, 12 based on Foata normal form. 13/837 useless extension candidates. Maximal degree in co-relation 7962. Up to 534 conditions per place. [2021-03-26 05:16:38,122 INFO L132 encePairwiseOnDemand]: 85/101 looper letters, 280 selfloop transitions, 54 changer transitions 5/357 dead transitions. [2021-03-26 05:16:38,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 357 transitions, 8011 flow [2021-03-26 05:16:38,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:38,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 739 transitions. [2021-03-26 05:16:38,123 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5226308345120226 [2021-03-26 05:16:38,123 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 739 transitions. [2021-03-26 05:16:38,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 739 transitions. [2021-03-26 05:16:38,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:38,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 739 transitions. [2021-03-26 05:16:38,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.785714285714285) internal successors, (739), 14 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:38,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:38,125 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:38,125 INFO L185 Difference]: Start difference. First operand has 261 places, 346 transitions, 7267 flow. Second operand 14 states and 739 transitions. [2021-03-26 05:16:38,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 357 transitions, 8011 flow [2021-03-26 05:16:38,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 357 transitions, 7888 flow, removed 4 selfloop flow, removed 10 redundant places. [2021-03-26 05:16:38,214 INFO L241 Difference]: Finished difference. Result has 266 places, 342 transitions, 7230 flow [2021-03-26 05:16:38,214 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=7144, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7230, PETRI_PLACES=266, PETRI_TRANSITIONS=342} [2021-03-26 05:16:38,214 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 213 predicate places. [2021-03-26 05:16:38,214 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:38,214 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 342 transitions, 7230 flow [2021-03-26 05:16:38,214 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 342 transitions, 7230 flow [2021-03-26 05:16:38,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 342 transitions, 7230 flow [2021-03-26 05:16:38,286 INFO L129 PetriNetUnfolder]: 351/812 cut-off events. [2021-03-26 05:16:38,286 INFO L130 PetriNetUnfolder]: For 14726/14735 co-relation queries the response was YES. [2021-03-26 05:16:38,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6786 conditions, 812 events. 351/812 cut-off events. For 14726/14735 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5024 event pairs, 14 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 6689. Up to 268 conditions per place. [2021-03-26 05:16:38,297 INFO L142 LiptonReduction]: Number of co-enabled transitions 1488 [2021-03-26 05:16:38,309 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:38,310 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:38,310 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-03-26 05:16:38,310 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 342 transitions, 7230 flow [2021-03-26 05:16:38,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:38,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:38,310 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:38,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 05:16:38,311 INFO L428 AbstractCegarLoop]: === Iteration 53 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:38,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:38,311 INFO L82 PathProgramCache]: Analyzing trace with hash 594478552, now seen corresponding path program 38 times [2021-03-26 05:16:38,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:38,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649148908] [2021-03-26 05:16:38,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:38,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:38,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:38,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:38,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:38,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:38,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:38,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:38,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:38,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:38,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:38,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:38,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:38,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:38,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:38,392 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:38,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:38,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:38,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:38,416 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:38,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649148908] [2021-03-26 05:16:38,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:38,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:38,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533806006] [2021-03-26 05:16:38,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:38,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:38,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:38,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:38,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:38,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 342 transitions, 7230 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:38,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:38,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:38,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:38,747 INFO L129 PetriNetUnfolder]: 421/930 cut-off events. [2021-03-26 05:16:38,747 INFO L130 PetriNetUnfolder]: For 16823/16921 co-relation queries the response was YES. [2021-03-26 05:16:38,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8008 conditions, 930 events. 421/930 cut-off events. For 16823/16921 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5558 event pairs, 20 based on Foata normal form. 39/848 useless extension candidates. Maximal degree in co-relation 7909. Up to 537 conditions per place. [2021-03-26 05:16:38,761 INFO L132 encePairwiseOnDemand]: 85/101 looper letters, 280 selfloop transitions, 44 changer transitions 9/351 dead transitions. [2021-03-26 05:16:38,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 351 transitions, 7949 flow [2021-03-26 05:16:38,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 732 transitions. [2021-03-26 05:16:38,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5176803394625177 [2021-03-26 05:16:38,763 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 732 transitions. [2021-03-26 05:16:38,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 732 transitions. [2021-03-26 05:16:38,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:38,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 732 transitions. [2021-03-26 05:16:38,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.285714285714285) internal successors, (732), 14 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:38,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:38,765 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:38,765 INFO L185 Difference]: Start difference. First operand has 263 places, 342 transitions, 7230 flow. Second operand 14 states and 732 transitions. [2021-03-26 05:16:38,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 351 transitions, 7949 flow [2021-03-26 05:16:38,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 351 transitions, 7738 flow, removed 8 selfloop flow, removed 19 redundant places. [2021-03-26 05:16:38,884 INFO L241 Difference]: Finished difference. Result has 258 places, 333 transitions, 6971 flow [2021-03-26 05:16:38,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=7019, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6971, PETRI_PLACES=258, PETRI_TRANSITIONS=333} [2021-03-26 05:16:38,885 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 205 predicate places. [2021-03-26 05:16:38,885 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:38,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 333 transitions, 6971 flow [2021-03-26 05:16:38,885 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 333 transitions, 6971 flow [2021-03-26 05:16:38,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 333 transitions, 6971 flow [2021-03-26 05:16:38,986 INFO L129 PetriNetUnfolder]: 353/810 cut-off events. [2021-03-26 05:16:38,986 INFO L130 PetriNetUnfolder]: For 13171/13182 co-relation queries the response was YES. [2021-03-26 05:16:38,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6590 conditions, 810 events. 353/810 cut-off events. For 13171/13182 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4973 event pairs, 16 based on Foata normal form. 0/697 useless extension candidates. Maximal degree in co-relation 6500. Up to 267 conditions per place. [2021-03-26 05:16:39,003 INFO L142 LiptonReduction]: Number of co-enabled transitions 1478 [2021-03-26 05:16:39,022 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:39,022 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:39,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-03-26 05:16:39,023 INFO L480 AbstractCegarLoop]: Abstraction has has 250 places, 333 transitions, 6971 flow [2021-03-26 05:16:39,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:39,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:39,023 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:39,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 05:16:39,023 INFO L428 AbstractCegarLoop]: === Iteration 54 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:39,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:39,024 INFO L82 PathProgramCache]: Analyzing trace with hash -42864750, now seen corresponding path program 39 times [2021-03-26 05:16:39,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:39,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714548782] [2021-03-26 05:16:39,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:39,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:39,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:39,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:39,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:39,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:39,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:39,128 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:39,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:39,145 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:39,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:39,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714548782] [2021-03-26 05:16:39,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:39,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:39,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502357486] [2021-03-26 05:16:39,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:39,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:39,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:39,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:39,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:39,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 333 transitions, 6971 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:39,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:39,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:39,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:39,592 INFO L129 PetriNetUnfolder]: 419/922 cut-off events. [2021-03-26 05:16:39,593 INFO L130 PetriNetUnfolder]: For 15724/15780 co-relation queries the response was YES. [2021-03-26 05:16:39,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7808 conditions, 922 events. 419/922 cut-off events. For 15724/15780 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5489 event pairs, 20 based on Foata normal form. 23/824 useless extension candidates. Maximal degree in co-relation 7715. Up to 505 conditions per place. [2021-03-26 05:16:39,606 INFO L132 encePairwiseOnDemand]: 84/101 looper letters, 242 selfloop transitions, 75 changer transitions 7/342 dead transitions. [2021-03-26 05:16:39,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 342 transitions, 7674 flow [2021-03-26 05:16:39,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:39,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 690 transitions. [2021-03-26 05:16:39,607 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5255140898705255 [2021-03-26 05:16:39,607 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 690 transitions. [2021-03-26 05:16:39,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 690 transitions. [2021-03-26 05:16:39,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:39,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 690 transitions. [2021-03-26 05:16:39,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.07692307692308) internal successors, (690), 13 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:39,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:39,610 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:39,610 INFO L185 Difference]: Start difference. First operand has 250 places, 333 transitions, 6971 flow. Second operand 13 states and 690 transitions. [2021-03-26 05:16:39,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 342 transitions, 7674 flow [2021-03-26 05:16:39,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 342 transitions, 7544 flow, removed 16 selfloop flow, removed 16 redundant places. [2021-03-26 05:16:39,689 INFO L241 Difference]: Finished difference. Result has 248 places, 327 transitions, 6880 flow [2021-03-26 05:16:39,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=6841, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6880, PETRI_PLACES=248, PETRI_TRANSITIONS=327} [2021-03-26 05:16:39,689 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 195 predicate places. [2021-03-26 05:16:39,689 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:39,689 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 327 transitions, 6880 flow [2021-03-26 05:16:39,689 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 327 transitions, 6880 flow [2021-03-26 05:16:39,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 327 transitions, 6880 flow [2021-03-26 05:16:39,756 INFO L129 PetriNetUnfolder]: 353/810 cut-off events. [2021-03-26 05:16:39,756 INFO L130 PetriNetUnfolder]: For 13115/13126 co-relation queries the response was YES. [2021-03-26 05:16:39,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6529 conditions, 810 events. 353/810 cut-off events. For 13115/13126 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4993 event pairs, 11 based on Foata normal form. 0/697 useless extension candidates. Maximal degree in co-relation 6439. Up to 265 conditions per place. [2021-03-26 05:16:39,767 INFO L142 LiptonReduction]: Number of co-enabled transitions 1450 [2021-03-26 05:16:39,779 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:39,779 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:39,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-03-26 05:16:39,779 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 327 transitions, 6880 flow [2021-03-26 05:16:39,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:39,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:39,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:39,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 05:16:39,780 INFO L428 AbstractCegarLoop]: === Iteration 55 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:39,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:39,780 INFO L82 PathProgramCache]: Analyzing trace with hash 2000510994, now seen corresponding path program 40 times [2021-03-26 05:16:39,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:39,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083333291] [2021-03-26 05:16:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:39,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:39,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:39,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:39,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:39,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:39,842 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:39,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:39,844 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:39,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:39,858 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:39,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:39,873 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:39,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:39,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083333291] [2021-03-26 05:16:39,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:39,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:39,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537038901] [2021-03-26 05:16:39,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:39,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:39,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:39,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:39,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 05:16:39,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 327 transitions, 6880 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:39,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:39,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 05:16:39,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:40,181 INFO L129 PetriNetUnfolder]: 421/929 cut-off events. [2021-03-26 05:16:40,181 INFO L130 PetriNetUnfolder]: For 15804/15860 co-relation queries the response was YES. [2021-03-26 05:16:40,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7816 conditions, 929 events. 421/929 cut-off events. For 15804/15860 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 5516 event pairs, 20 based on Foata normal form. 24/829 useless extension candidates. Maximal degree in co-relation 7724. Up to 511 conditions per place. [2021-03-26 05:16:40,190 INFO L132 encePairwiseOnDemand]: 85/101 looper letters, 240 selfloop transitions, 77 changer transitions 6/341 dead transitions. [2021-03-26 05:16:40,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 341 transitions, 7746 flow [2021-03-26 05:16:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 645 transitions. [2021-03-26 05:16:40,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5321782178217822 [2021-03-26 05:16:40,191 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 645 transitions. [2021-03-26 05:16:40,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 645 transitions. [2021-03-26 05:16:40,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:40,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 645 transitions. [2021-03-26 05:16:40,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.75) internal successors, (645), 12 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:40,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:40,192 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:40,192 INFO L185 Difference]: Start difference. First operand has 242 places, 327 transitions, 6880 flow. Second operand 12 states and 645 transitions. [2021-03-26 05:16:40,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 341 transitions, 7746 flow [2021-03-26 05:16:40,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 341 transitions, 7573 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-26 05:16:40,269 INFO L241 Difference]: Finished difference. Result has 245 places, 328 transitions, 6938 flow [2021-03-26 05:16:40,269 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=6713, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=6938, PETRI_PLACES=245, PETRI_TRANSITIONS=328} [2021-03-26 05:16:40,270 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 192 predicate places. [2021-03-26 05:16:40,270 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:40,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 328 transitions, 6938 flow [2021-03-26 05:16:40,270 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 328 transitions, 6938 flow [2021-03-26 05:16:40,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 328 transitions, 6938 flow [2021-03-26 05:16:40,337 INFO L129 PetriNetUnfolder]: 349/810 cut-off events. [2021-03-26 05:16:40,337 INFO L130 PetriNetUnfolder]: For 13571/13577 co-relation queries the response was YES. [2021-03-26 05:16:40,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6481 conditions, 810 events. 349/810 cut-off events. For 13571/13577 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4967 event pairs, 10 based on Foata normal form. 0/694 useless extension candidates. Maximal degree in co-relation 6335. Up to 260 conditions per place. [2021-03-26 05:16:40,347 INFO L142 LiptonReduction]: Number of co-enabled transitions 1494 [2021-03-26 05:16:40,393 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:40,393 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:40,394 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-03-26 05:16:40,394 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 328 transitions, 6946 flow [2021-03-26 05:16:40,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:40,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:40,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:40,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 05:16:40,394 INFO L428 AbstractCegarLoop]: === Iteration 56 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:40,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:40,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1902360628, now seen corresponding path program 41 times [2021-03-26 05:16:40,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:40,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42282852] [2021-03-26 05:16:40,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:40,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:40,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:40,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:40,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:40,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:40,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:40,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:40,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:40,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:40,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:40,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:40,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:40,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:40,484 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:40,497 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:40,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:40,509 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:40,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42282852] [2021-03-26 05:16:40,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:40,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:40,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016995563] [2021-03-26 05:16:40,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:40,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:40,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:40,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:40,512 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 102 [2021-03-26 05:16:40,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 328 transitions, 6946 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:40,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:40,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 102 [2021-03-26 05:16:40,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:40,952 INFO L129 PetriNetUnfolder]: 422/940 cut-off events. [2021-03-26 05:16:40,952 INFO L130 PetriNetUnfolder]: For 16265/16295 co-relation queries the response was YES. [2021-03-26 05:16:40,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7841 conditions, 940 events. 422/940 cut-off events. For 16265/16295 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 5658 event pairs, 18 based on Foata normal form. 18/830 useless extension candidates. Maximal degree in co-relation 7688. Up to 481 conditions per place. [2021-03-26 05:16:40,962 INFO L132 encePairwiseOnDemand]: 85/102 looper letters, 203 selfloop transitions, 118 changer transitions 6/345 dead transitions. [2021-03-26 05:16:40,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 345 transitions, 7840 flow [2021-03-26 05:16:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:16:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:16:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 813 transitions. [2021-03-26 05:16:40,964 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5313725490196078 [2021-03-26 05:16:40,964 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 813 transitions. [2021-03-26 05:16:40,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 813 transitions. [2021-03-26 05:16:40,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:40,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 813 transitions. [2021-03-26 05:16:40,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.2) internal successors, (813), 15 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:40,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:40,966 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:40,966 INFO L185 Difference]: Start difference. First operand has 245 places, 328 transitions, 6946 flow. Second operand 15 states and 813 transitions. [2021-03-26 05:16:40,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 345 transitions, 7840 flow [2021-03-26 05:16:41,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 345 transitions, 7655 flow, removed 77 selfloop flow, removed 4 redundant places. [2021-03-26 05:16:41,065 INFO L241 Difference]: Finished difference. Result has 258 places, 328 transitions, 7048 flow [2021-03-26 05:16:41,065 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=6761, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7048, PETRI_PLACES=258, PETRI_TRANSITIONS=328} [2021-03-26 05:16:41,065 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 205 predicate places. [2021-03-26 05:16:41,065 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:41,065 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 328 transitions, 7048 flow [2021-03-26 05:16:41,065 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 328 transitions, 7048 flow [2021-03-26 05:16:41,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 328 transitions, 7048 flow [2021-03-26 05:16:41,147 INFO L129 PetriNetUnfolder]: 358/847 cut-off events. [2021-03-26 05:16:41,147 INFO L130 PetriNetUnfolder]: For 14239/14250 co-relation queries the response was YES. [2021-03-26 05:16:41,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6838 conditions, 847 events. 358/847 cut-off events. For 14239/14250 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5263 event pairs, 13 based on Foata normal form. 3/729 useless extension candidates. Maximal degree in co-relation 6681. Up to 266 conditions per place. [2021-03-26 05:16:41,161 INFO L142 LiptonReduction]: Number of co-enabled transitions 1528 [2021-03-26 05:16:41,174 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:41,174 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:41,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-03-26 05:16:41,174 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 328 transitions, 7048 flow [2021-03-26 05:16:41,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:41,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:41,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:41,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 05:16:41,175 INFO L428 AbstractCegarLoop]: === Iteration 57 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:41,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:41,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1525008112, now seen corresponding path program 1 times [2021-03-26 05:16:41,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:41,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082001338] [2021-03-26 05:16:41,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:41,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:41,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:41,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:41,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:41,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:16:41,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:41,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:41,242 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:41,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:41,255 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:41,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:41,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082001338] [2021-03-26 05:16:41,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:41,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:16:41,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835329801] [2021-03-26 05:16:41,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:16:41,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:41,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:16:41,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:16:41,259 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 102 [2021-03-26 05:16:41,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 328 transitions, 7048 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:41,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:41,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 102 [2021-03-26 05:16:41,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:41,543 INFO L129 PetriNetUnfolder]: 418/937 cut-off events. [2021-03-26 05:16:41,543 INFO L130 PetriNetUnfolder]: For 16781/16879 co-relation queries the response was YES. [2021-03-26 05:16:41,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7977 conditions, 937 events. 418/937 cut-off events. For 16781/16879 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5697 event pairs, 20 based on Foata normal form. 39/849 useless extension candidates. Maximal degree in co-relation 7817. Up to 475 conditions per place. [2021-03-26 05:16:41,553 INFO L132 encePairwiseOnDemand]: 86/102 looper letters, 212 selfloop transitions, 99 changer transitions 14/343 dead transitions. [2021-03-26 05:16:41,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 343 transitions, 7985 flow [2021-03-26 05:16:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:16:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:16:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 504 transitions. [2021-03-26 05:16:41,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5490196078431373 [2021-03-26 05:16:41,554 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 504 transitions. [2021-03-26 05:16:41,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 504 transitions. [2021-03-26 05:16:41,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:41,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 504 transitions. [2021-03-26 05:16:41,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.0) internal successors, (504), 9 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:41,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:41,555 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:41,555 INFO L185 Difference]: Start difference. First operand has 258 places, 328 transitions, 7048 flow. Second operand 9 states and 504 transitions. [2021-03-26 05:16:41,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 343 transitions, 7985 flow [2021-03-26 05:16:41,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 343 transitions, 7747 flow, removed 74 selfloop flow, removed 5 redundant places. [2021-03-26 05:16:41,646 INFO L241 Difference]: Finished difference. Result has 266 places, 319 transitions, 6942 flow [2021-03-26 05:16:41,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=6814, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6942, PETRI_PLACES=266, PETRI_TRANSITIONS=319} [2021-03-26 05:16:41,647 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 213 predicate places. [2021-03-26 05:16:41,647 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:41,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 319 transitions, 6942 flow [2021-03-26 05:16:41,647 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 319 transitions, 6942 flow [2021-03-26 05:16:41,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 264 places, 319 transitions, 6942 flow [2021-03-26 05:16:41,717 INFO L129 PetriNetUnfolder]: 338/803 cut-off events. [2021-03-26 05:16:41,717 INFO L130 PetriNetUnfolder]: For 14410/14427 co-relation queries the response was YES. [2021-03-26 05:16:41,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6758 conditions, 803 events. 338/803 cut-off events. For 14410/14427 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4922 event pairs, 10 based on Foata normal form. 3/693 useless extension candidates. Maximal degree in co-relation 6599. Up to 252 conditions per place. [2021-03-26 05:16:41,728 INFO L142 LiptonReduction]: Number of co-enabled transitions 1464 [2021-03-26 05:16:41,740 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:41,740 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:41,740 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-03-26 05:16:41,740 INFO L480 AbstractCegarLoop]: Abstraction has has 264 places, 319 transitions, 6942 flow [2021-03-26 05:16:41,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:41,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:41,740 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:41,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 05:16:41,741 INFO L428 AbstractCegarLoop]: === Iteration 58 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:41,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:41,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1822997434, now seen corresponding path program 42 times [2021-03-26 05:16:41,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:41,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665788576] [2021-03-26 05:16:41,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:41,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:41,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:41,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:41,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:41,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:41,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:41,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:41,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:41,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:41,826 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:41,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:41,840 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:41,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:41,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:41,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665788576] [2021-03-26 05:16:41,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:41,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:41,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043141064] [2021-03-26 05:16:41,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:41,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:41,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:41,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:41,844 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 102 [2021-03-26 05:16:41,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 319 transitions, 6942 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:41,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:41,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 102 [2021-03-26 05:16:41,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:42,228 INFO L129 PetriNetUnfolder]: 405/897 cut-off events. [2021-03-26 05:16:42,228 INFO L130 PetriNetUnfolder]: For 16818/16874 co-relation queries the response was YES. [2021-03-26 05:16:42,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7898 conditions, 897 events. 405/897 cut-off events. For 16818/16874 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5321 event pairs, 22 based on Foata normal form. 30/809 useless extension candidates. Maximal degree in co-relation 7737. Up to 482 conditions per place. [2021-03-26 05:16:42,237 INFO L132 encePairwiseOnDemand]: 86/102 looper letters, 225 selfloop transitions, 77 changer transitions 12/332 dead transitions. [2021-03-26 05:16:42,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 332 transitions, 7654 flow [2021-03-26 05:16:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:16:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:16:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 812 transitions. [2021-03-26 05:16:42,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.530718954248366 [2021-03-26 05:16:42,238 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 812 transitions. [2021-03-26 05:16:42,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 812 transitions. [2021-03-26 05:16:42,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:42,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 812 transitions. [2021-03-26 05:16:42,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.13333333333333) internal successors, (812), 15 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:42,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:42,240 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:42,240 INFO L185 Difference]: Start difference. First operand has 264 places, 319 transitions, 6942 flow. Second operand 15 states and 812 transitions. [2021-03-26 05:16:42,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 332 transitions, 7654 flow [2021-03-26 05:16:42,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 332 transitions, 7364 flow, removed 6 selfloop flow, removed 11 redundant places. [2021-03-26 05:16:42,321 INFO L241 Difference]: Finished difference. Result has 269 places, 308 transitions, 6494 flow [2021-03-26 05:16:42,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=6652, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6494, PETRI_PLACES=269, PETRI_TRANSITIONS=308} [2021-03-26 05:16:42,321 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 216 predicate places. [2021-03-26 05:16:42,321 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:42,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 308 transitions, 6494 flow [2021-03-26 05:16:42,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 308 transitions, 6494 flow [2021-03-26 05:16:42,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 268 places, 308 transitions, 6494 flow [2021-03-26 05:16:42,406 INFO L129 PetriNetUnfolder]: 333/759 cut-off events. [2021-03-26 05:16:42,406 INFO L130 PetriNetUnfolder]: For 12938/12946 co-relation queries the response was YES. [2021-03-26 05:16:42,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6278 conditions, 759 events. 333/759 cut-off events. For 12938/12946 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 4501 event pairs, 17 based on Foata normal form. 0/655 useless extension candidates. Maximal degree in co-relation 6127. Up to 251 conditions per place. [2021-03-26 05:16:42,415 INFO L142 LiptonReduction]: Number of co-enabled transitions 1430 [2021-03-26 05:16:42,481 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:42,482 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:16:42,482 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 161 [2021-03-26 05:16:42,482 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 308 transitions, 6541 flow [2021-03-26 05:16:42,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:42,482 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:42,482 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:42,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 05:16:42,482 INFO L428 AbstractCegarLoop]: === Iteration 59 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:42,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:42,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599494, now seen corresponding path program 1 times [2021-03-26 05:16:42,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:42,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154239604] [2021-03-26 05:16:42,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:42,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:42,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:42,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:42,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:42,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:42,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:42,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:42,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:42,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:42,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:42,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:42,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:42,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:42,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:42,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:42,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:42,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:42,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:42,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:42,601 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:42,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:42,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154239604] [2021-03-26 05:16:42,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:42,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:16:42,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72840929] [2021-03-26 05:16:42,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:16:42,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:42,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:16:42,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:16:42,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 104 [2021-03-26 05:16:42,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 308 transitions, 6541 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:42,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:42,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 104 [2021-03-26 05:16:42,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:43,155 INFO L129 PetriNetUnfolder]: 436/945 cut-off events. [2021-03-26 05:16:43,155 INFO L130 PetriNetUnfolder]: For 15995/15999 co-relation queries the response was YES. [2021-03-26 05:16:43,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8162 conditions, 945 events. 436/945 cut-off events. For 15995/15999 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5649 event pairs, 6 based on Foata normal form. 5/829 useless extension candidates. Maximal degree in co-relation 8000. Up to 486 conditions per place. [2021-03-26 05:16:43,165 INFO L132 encePairwiseOnDemand]: 86/104 looper letters, 238 selfloop transitions, 122 changer transitions 0/378 dead transitions. [2021-03-26 05:16:43,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 378 transitions, 8601 flow [2021-03-26 05:16:43,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 05:16:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 05:16:43,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1014 transitions. [2021-03-26 05:16:43,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5131578947368421 [2021-03-26 05:16:43,166 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1014 transitions. [2021-03-26 05:16:43,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1014 transitions. [2021-03-26 05:16:43,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:43,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1014 transitions. [2021-03-26 05:16:43,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.36842105263158) internal successors, (1014), 19 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:43,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 104.0) internal successors, (2080), 20 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:43,168 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 104.0) internal successors, (2080), 20 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:43,168 INFO L185 Difference]: Start difference. First operand has 268 places, 308 transitions, 6541 flow. Second operand 19 states and 1014 transitions. [2021-03-26 05:16:43,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 378 transitions, 8601 flow [2021-03-26 05:16:43,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 378 transitions, 8076 flow, removed 104 selfloop flow, removed 22 redundant places. [2021-03-26 05:16:43,258 INFO L241 Difference]: Finished difference. Result has 268 places, 358 transitions, 7574 flow [2021-03-26 05:16:43,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=6109, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7574, PETRI_PLACES=268, PETRI_TRANSITIONS=358} [2021-03-26 05:16:43,258 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 215 predicate places. [2021-03-26 05:16:43,258 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:43,259 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 268 places, 358 transitions, 7574 flow [2021-03-26 05:16:43,259 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 268 places, 358 transitions, 7574 flow [2021-03-26 05:16:43,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 268 places, 358 transitions, 7574 flow [2021-03-26 05:16:43,332 INFO L129 PetriNetUnfolder]: 363/841 cut-off events. [2021-03-26 05:16:43,332 INFO L130 PetriNetUnfolder]: For 14617/14671 co-relation queries the response was YES. [2021-03-26 05:16:43,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6930 conditions, 841 events. 363/841 cut-off events. For 14617/14671 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5140 event pairs, 6 based on Foata normal form. 5/728 useless extension candidates. Maximal degree in co-relation 6773. Up to 268 conditions per place. [2021-03-26 05:16:43,343 INFO L142 LiptonReduction]: Number of co-enabled transitions 1630 [2021-03-26 05:16:43,412 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 05:16:43,412 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:16:43,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-26 05:16:43,413 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 358 transitions, 7599 flow [2021-03-26 05:16:43,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:43,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:43,413 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:43,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 05:16:43,413 INFO L428 AbstractCegarLoop]: === Iteration 60 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:43,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:43,414 INFO L82 PathProgramCache]: Analyzing trace with hash 888662445, now seen corresponding path program 1 times [2021-03-26 05:16:43,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:43,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661914994] [2021-03-26 05:16:43,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:43,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:43,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:43,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:43,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:43,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:43,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:43,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:43,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:43,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:43,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:43,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:43,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:43,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:43,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:43,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:43,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:43,484 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:43,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:43,498 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:43,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:43,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661914994] [2021-03-26 05:16:43,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:43,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:16:43,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534846423] [2021-03-26 05:16:43,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:16:43,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:43,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:16:43,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:16:43,502 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 05:16:43,502 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 358 transitions, 7599 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:43,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:43,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 05:16:43,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:43,921 INFO L129 PetriNetUnfolder]: 472/1019 cut-off events. [2021-03-26 05:16:43,921 INFO L130 PetriNetUnfolder]: For 18682/18692 co-relation queries the response was YES. [2021-03-26 05:16:43,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9129 conditions, 1019 events. 472/1019 cut-off events. For 18682/18692 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 6189 event pairs, 8 based on Foata normal form. 11/903 useless extension candidates. Maximal degree in co-relation 8966. Up to 519 conditions per place. [2021-03-26 05:16:43,937 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 242 selfloop transitions, 130 changer transitions 15/405 dead transitions. [2021-03-26 05:16:43,937 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 405 transitions, 9500 flow [2021-03-26 05:16:43,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:16:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:16:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 511 transitions. [2021-03-26 05:16:43,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5356394129979035 [2021-03-26 05:16:43,938 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 511 transitions. [2021-03-26 05:16:43,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 511 transitions. [2021-03-26 05:16:43,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:43,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 511 transitions. [2021-03-26 05:16:43,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.77777777777778) internal successors, (511), 9 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:43,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 106.0) internal successors, (1060), 10 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:43,943 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 106.0) internal successors, (1060), 10 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:43,943 INFO L185 Difference]: Start difference. First operand has 268 places, 358 transitions, 7599 flow. Second operand 9 states and 511 transitions. [2021-03-26 05:16:43,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 405 transitions, 9500 flow [2021-03-26 05:16:44,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 405 transitions, 9042 flow, removed 222 selfloop flow, removed 2 redundant places. [2021-03-26 05:16:44,073 INFO L241 Difference]: Finished difference. Result has 277 places, 377 transitions, 8066 flow [2021-03-26 05:16:44,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=7191, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=8066, PETRI_PLACES=277, PETRI_TRANSITIONS=377} [2021-03-26 05:16:44,074 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 224 predicate places. [2021-03-26 05:16:44,074 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:44,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 377 transitions, 8066 flow [2021-03-26 05:16:44,074 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 377 transitions, 8066 flow [2021-03-26 05:16:44,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 277 places, 377 transitions, 8066 flow [2021-03-26 05:16:44,223 INFO L129 PetriNetUnfolder]: 415/918 cut-off events. [2021-03-26 05:16:44,224 INFO L130 PetriNetUnfolder]: For 17958/17974 co-relation queries the response was YES. [2021-03-26 05:16:44,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8020 conditions, 918 events. 415/918 cut-off events. For 17958/17974 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5493 event pairs, 20 based on Foata normal form. 1/800 useless extension candidates. Maximal degree in co-relation 7859. Up to 284 conditions per place. [2021-03-26 05:16:44,242 INFO L142 LiptonReduction]: Number of co-enabled transitions 1584 [2021-03-26 05:16:44,301 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 05:16:44,301 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:44,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-03-26 05:16:44,303 INFO L480 AbstractCegarLoop]: Abstraction has has 277 places, 377 transitions, 8065 flow [2021-03-26 05:16:44,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:44,304 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:44,304 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:44,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 05:16:44,304 INFO L428 AbstractCegarLoop]: === Iteration 61 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:44,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:44,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1368171132, now seen corresponding path program 1 times [2021-03-26 05:16:44,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:44,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804241019] [2021-03-26 05:16:44,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:44,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:44,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:44,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:44,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:44,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:44,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:44,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:44,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:16:44,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:44,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:44,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:44,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:44,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:44,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:44,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:44,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:44,385 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:44,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:44,390 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:44,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:44,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804241019] [2021-03-26 05:16:44,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:44,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:44,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819241148] [2021-03-26 05:16:44,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:44,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:44,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:44,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:44,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 107 [2021-03-26 05:16:44,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 377 transitions, 8065 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:44,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:44,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 107 [2021-03-26 05:16:44,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:44,768 INFO L129 PetriNetUnfolder]: 465/989 cut-off events. [2021-03-26 05:16:44,768 INFO L130 PetriNetUnfolder]: For 19141/19145 co-relation queries the response was YES. [2021-03-26 05:16:44,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8974 conditions, 989 events. 465/989 cut-off events. For 19141/19145 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5856 event pairs, 26 based on Foata normal form. 5/871 useless extension candidates. Maximal degree in co-relation 8809. Up to 564 conditions per place. [2021-03-26 05:16:44,778 INFO L132 encePairwiseOnDemand]: 89/107 looper letters, 285 selfloop transitions, 89 changer transitions 0/392 dead transitions. [2021-03-26 05:16:44,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 392 transitions, 9006 flow [2021-03-26 05:16:44,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 601 transitions. [2021-03-26 05:16:44,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5106202209005948 [2021-03-26 05:16:44,779 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 601 transitions. [2021-03-26 05:16:44,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 601 transitions. [2021-03-26 05:16:44,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:44,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 601 transitions. [2021-03-26 05:16:44,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.63636363636363) internal successors, (601), 11 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:44,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 107.0) internal successors, (1284), 12 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:44,780 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 107.0) internal successors, (1284), 12 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:44,780 INFO L185 Difference]: Start difference. First operand has 277 places, 377 transitions, 8065 flow. Second operand 11 states and 601 transitions. [2021-03-26 05:16:44,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 392 transitions, 9006 flow [2021-03-26 05:16:44,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 392 transitions, 8716 flow, removed 114 selfloop flow, removed 9 redundant places. [2021-03-26 05:16:44,879 INFO L241 Difference]: Finished difference. Result has 282 places, 384 transitions, 8197 flow [2021-03-26 05:16:44,879 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=7775, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=8197, PETRI_PLACES=282, PETRI_TRANSITIONS=384} [2021-03-26 05:16:44,879 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 229 predicate places. [2021-03-26 05:16:44,879 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:44,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 282 places, 384 transitions, 8197 flow [2021-03-26 05:16:44,879 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 282 places, 384 transitions, 8197 flow [2021-03-26 05:16:44,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 282 places, 384 transitions, 8197 flow [2021-03-26 05:16:44,962 INFO L129 PetriNetUnfolder]: 410/916 cut-off events. [2021-03-26 05:16:44,963 INFO L130 PetriNetUnfolder]: For 18469/18513 co-relation queries the response was YES. [2021-03-26 05:16:44,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7838 conditions, 916 events. 410/916 cut-off events. For 18469/18513 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5497 event pairs, 24 based on Foata normal form. 4/799 useless extension candidates. Maximal degree in co-relation 7671. Up to 273 conditions per place. [2021-03-26 05:16:44,976 INFO L142 LiptonReduction]: Number of co-enabled transitions 1630 [2021-03-26 05:16:45,028 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:16:45,028 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:45,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-03-26 05:16:45,029 INFO L480 AbstractCegarLoop]: Abstraction has has 282 places, 384 transitions, 8224 flow [2021-03-26 05:16:45,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:45,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:45,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:45,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 05:16:45,029 INFO L428 AbstractCegarLoop]: === Iteration 62 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:45,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:45,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1885263022, now seen corresponding path program 2 times [2021-03-26 05:16:45,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:45,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203093359] [2021-03-26 05:16:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:45,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:45,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:45,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:45,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:16:45,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:45,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:45,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:45,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:45,132 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:45,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:45,161 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:45,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:45,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:45,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203093359] [2021-03-26 05:16:45,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:45,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:45,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777536725] [2021-03-26 05:16:45,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:45,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:45,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:45,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:45,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 108 [2021-03-26 05:16:45,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 384 transitions, 8224 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:45,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:45,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 108 [2021-03-26 05:16:45,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:45,586 INFO L129 PetriNetUnfolder]: 475/1021 cut-off events. [2021-03-26 05:16:45,586 INFO L130 PetriNetUnfolder]: For 20370/20376 co-relation queries the response was YES. [2021-03-26 05:16:45,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9174 conditions, 1021 events. 475/1021 cut-off events. For 20370/20376 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 6196 event pairs, 16 based on Foata normal form. 7/899 useless extension candidates. Maximal degree in co-relation 9004. Up to 549 conditions per place. [2021-03-26 05:16:45,597 INFO L132 encePairwiseOnDemand]: 90/108 looper letters, 295 selfloop transitions, 100 changer transitions 0/413 dead transitions. [2021-03-26 05:16:45,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 413 transitions, 9606 flow [2021-03-26 05:16:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:45,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 662 transitions. [2021-03-26 05:16:45,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5108024691358025 [2021-03-26 05:16:45,599 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 662 transitions. [2021-03-26 05:16:45,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 662 transitions. [2021-03-26 05:16:45,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:45,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 662 transitions. [2021-03-26 05:16:45,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.166666666666664) internal successors, (662), 12 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:45,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:45,601 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:45,601 INFO L185 Difference]: Start difference. First operand has 282 places, 384 transitions, 8224 flow. Second operand 12 states and 662 transitions. [2021-03-26 05:16:45,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 413 transitions, 9606 flow [2021-03-26 05:16:45,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 413 transitions, 9338 flow, removed 48 selfloop flow, removed 8 redundant places. [2021-03-26 05:16:45,773 INFO L241 Difference]: Finished difference. Result has 287 places, 398 transitions, 8646 flow [2021-03-26 05:16:45,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=7956, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8646, PETRI_PLACES=287, PETRI_TRANSITIONS=398} [2021-03-26 05:16:45,773 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 234 predicate places. [2021-03-26 05:16:45,773 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:45,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 287 places, 398 transitions, 8646 flow [2021-03-26 05:16:45,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 287 places, 398 transitions, 8646 flow [2021-03-26 05:16:45,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 287 places, 398 transitions, 8646 flow [2021-03-26 05:16:45,891 INFO L129 PetriNetUnfolder]: 410/925 cut-off events. [2021-03-26 05:16:45,891 INFO L130 PetriNetUnfolder]: For 18976/19042 co-relation queries the response was YES. [2021-03-26 05:16:45,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7878 conditions, 925 events. 410/925 cut-off events. For 18976/19042 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5662 event pairs, 23 based on Foata normal form. 8/807 useless extension candidates. Maximal degree in co-relation 7708. Up to 271 conditions per place. [2021-03-26 05:16:45,904 INFO L142 LiptonReduction]: Number of co-enabled transitions 1730 [2021-03-26 05:16:45,959 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:16:45,959 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:16:45,959 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-26 05:16:45,959 INFO L480 AbstractCegarLoop]: Abstraction has has 287 places, 398 transitions, 8675 flow [2021-03-26 05:16:45,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:45,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:45,960 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:45,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 05:16:45,960 INFO L428 AbstractCegarLoop]: === Iteration 63 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:45,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:45,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1745167850, now seen corresponding path program 3 times [2021-03-26 05:16:45,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:45,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782831447] [2021-03-26 05:16:45,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:45,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:45,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:45,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:45,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:16:45,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:45,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:46,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:46,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:46,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:46,036 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:46,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:46,042 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:46,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:46,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782831447] [2021-03-26 05:16:46,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:46,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:46,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404900018] [2021-03-26 05:16:46,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:46,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:46,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:46,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:46,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:46,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 398 transitions, 8675 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:46,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:46,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:46,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:46,431 INFO L129 PetriNetUnfolder]: 480/1040 cut-off events. [2021-03-26 05:16:46,431 INFO L130 PetriNetUnfolder]: For 21419/21423 co-relation queries the response was YES. [2021-03-26 05:16:46,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9400 conditions, 1040 events. 480/1040 cut-off events. For 21419/21423 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6373 event pairs, 20 based on Foata normal form. 5/911 useless extension candidates. Maximal degree in co-relation 9224. Up to 604 conditions per place. [2021-03-26 05:16:46,444 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 316 selfloop transitions, 76 changer transitions 0/410 dead transitions. [2021-03-26 05:16:46,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 410 transitions, 9612 flow [2021-03-26 05:16:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:46,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:46,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 697 transitions. [2021-03-26 05:16:46,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4918842625264644 [2021-03-26 05:16:46,445 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 697 transitions. [2021-03-26 05:16:46,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 697 transitions. [2021-03-26 05:16:46,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:46,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 697 transitions. [2021-03-26 05:16:46,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.61538461538461) internal successors, (697), 13 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:46,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:46,446 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:46,446 INFO L185 Difference]: Start difference. First operand has 287 places, 398 transitions, 8675 flow. Second operand 13 states and 697 transitions. [2021-03-26 05:16:46,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 410 transitions, 9612 flow [2021-03-26 05:16:46,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 410 transitions, 9145 flow, removed 187 selfloop flow, removed 6 redundant places. [2021-03-26 05:16:46,557 INFO L241 Difference]: Finished difference. Result has 298 places, 403 transitions, 8523 flow [2021-03-26 05:16:46,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=8208, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8523, PETRI_PLACES=298, PETRI_TRANSITIONS=403} [2021-03-26 05:16:46,558 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 245 predicate places. [2021-03-26 05:16:46,558 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:46,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 403 transitions, 8523 flow [2021-03-26 05:16:46,558 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 403 transitions, 8523 flow [2021-03-26 05:16:46,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 403 transitions, 8523 flow [2021-03-26 05:16:46,649 INFO L129 PetriNetUnfolder]: 412/943 cut-off events. [2021-03-26 05:16:46,649 INFO L130 PetriNetUnfolder]: For 17902/17934 co-relation queries the response was YES. [2021-03-26 05:16:46,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7838 conditions, 943 events. 412/943 cut-off events. For 17902/17934 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5869 event pairs, 25 based on Foata normal form. 6/818 useless extension candidates. Maximal degree in co-relation 7700. Up to 256 conditions per place. [2021-03-26 05:16:46,664 INFO L142 LiptonReduction]: Number of co-enabled transitions 1768 [2021-03-26 05:16:46,682 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:46,682 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:46,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-03-26 05:16:46,682 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 403 transitions, 8523 flow [2021-03-26 05:16:46,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:46,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:46,683 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:46,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 05:16:46,683 INFO L428 AbstractCegarLoop]: === Iteration 64 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:46,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:46,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1108119252, now seen corresponding path program 4 times [2021-03-26 05:16:46,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:46,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622577650] [2021-03-26 05:16:46,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:46,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:46,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:46,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:46,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:16:46,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:46,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:46,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:46,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:46,775 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:46,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:46,783 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:46,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:46,799 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:46,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:46,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:46,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622577650] [2021-03-26 05:16:46,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:46,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:46,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930012440] [2021-03-26 05:16:46,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:46,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:46,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:46,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:46,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:46,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 403 transitions, 8523 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:46,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:46,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:46,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:47,264 INFO L129 PetriNetUnfolder]: 505/1093 cut-off events. [2021-03-26 05:16:47,264 INFO L130 PetriNetUnfolder]: For 21335/21341 co-relation queries the response was YES. [2021-03-26 05:16:47,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9337 conditions, 1093 events. 505/1093 cut-off events. For 21335/21341 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6774 event pairs, 16 based on Foata normal form. 7/955 useless extension candidates. Maximal degree in co-relation 9195. Up to 615 conditions per place. [2021-03-26 05:16:47,276 INFO L132 encePairwiseOnDemand]: 90/109 looper letters, 323 selfloop transitions, 86 changer transitions 0/427 dead transitions. [2021-03-26 05:16:47,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 427 transitions, 9547 flow [2021-03-26 05:16:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:16:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:16:47,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 609 transitions. [2021-03-26 05:16:47,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5079232693911593 [2021-03-26 05:16:47,277 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 609 transitions. [2021-03-26 05:16:47,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 609 transitions. [2021-03-26 05:16:47,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:47,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 609 transitions. [2021-03-26 05:16:47,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.36363636363637) internal successors, (609), 11 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:47,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:47,279 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:47,279 INFO L185 Difference]: Start difference. First operand has 298 places, 403 transitions, 8523 flow. Second operand 11 states and 609 transitions. [2021-03-26 05:16:47,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 427 transitions, 9547 flow [2021-03-26 05:16:47,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 427 transitions, 9338 flow, removed 53 selfloop flow, removed 7 redundant places. [2021-03-26 05:16:47,394 INFO L241 Difference]: Finished difference. Result has 304 places, 417 transitions, 8712 flow [2021-03-26 05:16:47,395 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=8314, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=8712, PETRI_PLACES=304, PETRI_TRANSITIONS=417} [2021-03-26 05:16:47,395 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 251 predicate places. [2021-03-26 05:16:47,395 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:47,395 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 417 transitions, 8712 flow [2021-03-26 05:16:47,395 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 417 transitions, 8712 flow [2021-03-26 05:16:47,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 304 places, 417 transitions, 8712 flow [2021-03-26 05:16:47,515 INFO L129 PetriNetUnfolder]: 446/1018 cut-off events. [2021-03-26 05:16:47,515 INFO L130 PetriNetUnfolder]: For 19167/19197 co-relation queries the response was YES. [2021-03-26 05:16:47,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8280 conditions, 1018 events. 446/1018 cut-off events. For 19167/19197 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 6434 event pairs, 24 based on Foata normal form. 8/884 useless extension candidates. Maximal degree in co-relation 8150. Up to 265 conditions per place. [2021-03-26 05:16:47,531 INFO L142 LiptonReduction]: Number of co-enabled transitions 1866 [2021-03-26 05:16:47,549 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:47,549 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:47,550 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-26 05:16:47,550 INFO L480 AbstractCegarLoop]: Abstraction has has 304 places, 417 transitions, 8712 flow [2021-03-26 05:16:47,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:47,550 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:47,550 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:47,550 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 05:16:47,550 INFO L428 AbstractCegarLoop]: === Iteration 65 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:47,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:47,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1014755930, now seen corresponding path program 5 times [2021-03-26 05:16:47,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:47,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535294908] [2021-03-26 05:16:47,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:47,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:47,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:47,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:47,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:47,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:47,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:47,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:47,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:16:47,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:47,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:47,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:47,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:47,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:47,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:47,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:47,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:47,629 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:47,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:47,641 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:47,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:47,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535294908] [2021-03-26 05:16:47,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:47,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:47,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755716703] [2021-03-26 05:16:47,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:47,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:47,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:47,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:47,644 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:47,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 417 transitions, 8712 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:47,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:47,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:47,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:48,096 INFO L129 PetriNetUnfolder]: 511/1114 cut-off events. [2021-03-26 05:16:48,096 INFO L130 PetriNetUnfolder]: For 21174/21178 co-relation queries the response was YES. [2021-03-26 05:16:48,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9493 conditions, 1114 events. 511/1114 cut-off events. For 21174/21178 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6946 event pairs, 14 based on Foata normal form. 5/970 useless extension candidates. Maximal degree in co-relation 9342. Up to 614 conditions per place. [2021-03-26 05:16:48,110 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 323 selfloop transitions, 93 changer transitions 0/434 dead transitions. [2021-03-26 05:16:48,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 434 transitions, 9782 flow [2021-03-26 05:16:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:48,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 05:16:48,111 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4954128440366973 [2021-03-26 05:16:48,111 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 05:16:48,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 05:16:48,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:48,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 05:16:48,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:48,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:48,112 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:48,112 INFO L185 Difference]: Start difference. First operand has 304 places, 417 transitions, 8712 flow. Second operand 14 states and 756 transitions. [2021-03-26 05:16:48,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 434 transitions, 9782 flow [2021-03-26 05:16:48,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 434 transitions, 9676 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-03-26 05:16:48,238 INFO L241 Difference]: Finished difference. Result has 316 places, 423 transitions, 8968 flow [2021-03-26 05:16:48,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=8606, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8968, PETRI_PLACES=316, PETRI_TRANSITIONS=423} [2021-03-26 05:16:48,238 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 263 predicate places. [2021-03-26 05:16:48,238 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:48,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 423 transitions, 8968 flow [2021-03-26 05:16:48,238 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 423 transitions, 8968 flow [2021-03-26 05:16:48,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 316 places, 423 transitions, 8968 flow [2021-03-26 05:16:48,337 INFO L129 PetriNetUnfolder]: 430/977 cut-off events. [2021-03-26 05:16:48,338 INFO L130 PetriNetUnfolder]: For 20965/20981 co-relation queries the response was YES. [2021-03-26 05:16:48,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8177 conditions, 977 events. 430/977 cut-off events. For 20965/20981 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6198 event pairs, 22 based on Foata normal form. 9/853 useless extension candidates. Maximal degree in co-relation 8041. Up to 259 conditions per place. [2021-03-26 05:16:48,353 INFO L142 LiptonReduction]: Number of co-enabled transitions 1928 [2021-03-26 05:16:48,372 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:48,372 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:48,372 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 134 [2021-03-26 05:16:48,373 INFO L480 AbstractCegarLoop]: Abstraction has has 316 places, 423 transitions, 8968 flow [2021-03-26 05:16:48,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:48,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:48,373 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:48,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 05:16:48,373 INFO L428 AbstractCegarLoop]: === Iteration 66 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:48,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:48,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1525775110, now seen corresponding path program 6 times [2021-03-26 05:16:48,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:48,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682923197] [2021-03-26 05:16:48,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:48,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:48,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:48,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:48,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:48,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:48,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:48,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:48,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:16:48,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:48,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:48,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:48,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:48,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:48,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:48,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:48,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:48,451 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:48,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:48,463 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:48,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:48,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682923197] [2021-03-26 05:16:48,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:48,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:48,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496643208] [2021-03-26 05:16:48,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:48,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:48,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:48,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:48,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:48,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 423 transitions, 8968 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:48,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:48,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:48,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:48,946 INFO L129 PetriNetUnfolder]: 510/1119 cut-off events. [2021-03-26 05:16:48,946 INFO L130 PetriNetUnfolder]: For 21815/21819 co-relation queries the response was YES. [2021-03-26 05:16:48,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9677 conditions, 1119 events. 510/1119 cut-off events. For 21815/21819 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7058 event pairs, 22 based on Foata normal form. 5/975 useless extension candidates. Maximal degree in co-relation 9526. Up to 612 conditions per place. [2021-03-26 05:16:48,960 INFO L132 encePairwiseOnDemand]: 90/109 looper letters, 318 selfloop transitions, 96 changer transitions 0/432 dead transitions. [2021-03-26 05:16:48,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 432 transitions, 9863 flow [2021-03-26 05:16:48,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 05:16:48,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49611856033874385 [2021-03-26 05:16:48,961 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 05:16:48,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 05:16:48,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:48,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 05:16:48,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:48,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:48,962 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:48,962 INFO L185 Difference]: Start difference. First operand has 316 places, 423 transitions, 8968 flow. Second operand 13 states and 703 transitions. [2021-03-26 05:16:48,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 432 transitions, 9863 flow [2021-03-26 05:16:49,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 432 transitions, 9616 flow, removed 41 selfloop flow, removed 8 redundant places. [2021-03-26 05:16:49,136 INFO L241 Difference]: Finished difference. Result has 321 places, 424 transitions, 8942 flow [2021-03-26 05:16:49,136 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=8721, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8942, PETRI_PLACES=321, PETRI_TRANSITIONS=424} [2021-03-26 05:16:49,136 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 268 predicate places. [2021-03-26 05:16:49,137 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:49,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 424 transitions, 8942 flow [2021-03-26 05:16:49,137 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 424 transitions, 8942 flow [2021-03-26 05:16:49,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 424 transitions, 8942 flow [2021-03-26 05:16:49,259 INFO L129 PetriNetUnfolder]: 439/1006 cut-off events. [2021-03-26 05:16:49,259 INFO L130 PetriNetUnfolder]: For 21287/21294 co-relation queries the response was YES. [2021-03-26 05:16:49,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8291 conditions, 1006 events. 439/1006 cut-off events. For 21287/21294 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 6497 event pairs, 24 based on Foata normal form. 5/873 useless extension candidates. Maximal degree in co-relation 8133. Up to 257 conditions per place. [2021-03-26 05:16:49,279 INFO L142 LiptonReduction]: Number of co-enabled transitions 1938 [2021-03-26 05:16:49,299 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:49,299 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:49,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 163 [2021-03-26 05:16:49,300 INFO L480 AbstractCegarLoop]: Abstraction has has 321 places, 424 transitions, 8942 flow [2021-03-26 05:16:49,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:49,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:49,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:49,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 05:16:49,300 INFO L428 AbstractCegarLoop]: === Iteration 67 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:49,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:49,301 INFO L82 PathProgramCache]: Analyzing trace with hash -22226758, now seen corresponding path program 7 times [2021-03-26 05:16:49,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:49,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706773606] [2021-03-26 05:16:49,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:49,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:49,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:49,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:49,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:49,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:49,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:49,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:49,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:16:49,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:49,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:49,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:49,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:49,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:49,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:49,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:49,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:49,396 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:49,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:49,412 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:49,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:49,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706773606] [2021-03-26 05:16:49,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:49,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:49,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122912897] [2021-03-26 05:16:49,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:49,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:49,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:49,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:49,417 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:49,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 424 transitions, 8942 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:49,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:49,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:49,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:49,955 INFO L129 PetriNetUnfolder]: 514/1148 cut-off events. [2021-03-26 05:16:49,955 INFO L130 PetriNetUnfolder]: For 22053/22065 co-relation queries the response was YES. [2021-03-26 05:16:49,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9688 conditions, 1148 events. 514/1148 cut-off events. For 22053/22065 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7379 event pairs, 14 based on Foata normal form. 13/1004 useless extension candidates. Maximal degree in co-relation 9533. Up to 614 conditions per place. [2021-03-26 05:16:49,969 INFO L132 encePairwiseOnDemand]: 90/109 looper letters, 312 selfloop transitions, 72 changer transitions 34/436 dead transitions. [2021-03-26 05:16:49,969 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 436 transitions, 9860 flow [2021-03-26 05:16:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:49,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 05:16:49,970 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4954128440366973 [2021-03-26 05:16:49,970 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 05:16:49,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 05:16:49,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:49,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 05:16:49,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:49,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:49,972 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:49,972 INFO L185 Difference]: Start difference. First operand has 321 places, 424 transitions, 8942 flow. Second operand 14 states and 756 transitions. [2021-03-26 05:16:49,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 436 transitions, 9860 flow [2021-03-26 05:16:50,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 436 transitions, 9644 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-26 05:16:50,118 INFO L241 Difference]: Finished difference. Result has 324 places, 393 transitions, 8424 flow [2021-03-26 05:16:50,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=8726, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8424, PETRI_PLACES=324, PETRI_TRANSITIONS=393} [2021-03-26 05:16:50,118 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 271 predicate places. [2021-03-26 05:16:50,118 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:50,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 324 places, 393 transitions, 8424 flow [2021-03-26 05:16:50,119 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 324 places, 393 transitions, 8424 flow [2021-03-26 05:16:50,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 305 places, 393 transitions, 8424 flow [2021-03-26 05:16:50,207 INFO L129 PetriNetUnfolder]: 404/890 cut-off events. [2021-03-26 05:16:50,207 INFO L130 PetriNetUnfolder]: For 19332/19365 co-relation queries the response was YES. [2021-03-26 05:16:50,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7861 conditions, 890 events. 404/890 cut-off events. For 19332/19365 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 5242 event pairs, 26 based on Foata normal form. 11/783 useless extension candidates. Maximal degree in co-relation 7748. Up to 254 conditions per place. [2021-03-26 05:16:50,221 INFO L142 LiptonReduction]: Number of co-enabled transitions 1682 [2021-03-26 05:16:50,238 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:50,238 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:50,238 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 120 [2021-03-26 05:16:50,238 INFO L480 AbstractCegarLoop]: Abstraction has has 305 places, 393 transitions, 8424 flow [2021-03-26 05:16:50,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:50,238 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:50,238 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:50,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 05:16:50,239 INFO L428 AbstractCegarLoop]: === Iteration 68 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:50,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:50,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1657918692, now seen corresponding path program 3 times [2021-03-26 05:16:50,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:50,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499895129] [2021-03-26 05:16:50,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:50,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:50,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:50,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:50,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:50,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:50,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:50,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:50,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:50,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:50,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:50,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:50,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:50,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:50,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:50,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:50,324 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:50,344 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:50,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:50,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499895129] [2021-03-26 05:16:50,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:50,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:50,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918276038] [2021-03-26 05:16:50,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:50,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:50,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:50,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:50,348 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:50,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 393 transitions, 8424 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:50,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:50,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:50,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:50,881 INFO L129 PetriNetUnfolder]: 520/1086 cut-off events. [2021-03-26 05:16:50,881 INFO L130 PetriNetUnfolder]: For 24968/24972 co-relation queries the response was YES. [2021-03-26 05:16:50,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10160 conditions, 1086 events. 520/1086 cut-off events. For 24968/24972 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 6461 event pairs, 19 based on Foata normal form. 5/955 useless extension candidates. Maximal degree in co-relation 10045. Up to 587 conditions per place. [2021-03-26 05:16:50,895 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 274 selfloop transitions, 138 changer transitions 12/442 dead transitions. [2021-03-26 05:16:50,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 442 transitions, 10496 flow [2021-03-26 05:16:50,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:16:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:16:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 660 transitions. [2021-03-26 05:16:50,896 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5045871559633027 [2021-03-26 05:16:50,896 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 660 transitions. [2021-03-26 05:16:50,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 660 transitions. [2021-03-26 05:16:50,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:50,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 660 transitions. [2021-03-26 05:16:50,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.0) internal successors, (660), 12 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:50,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:50,897 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:50,897 INFO L185 Difference]: Start difference. First operand has 305 places, 393 transitions, 8424 flow. Second operand 12 states and 660 transitions. [2021-03-26 05:16:50,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 442 transitions, 10496 flow [2021-03-26 05:16:51,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 442 transitions, 10194 flow, removed 31 selfloop flow, removed 23 redundant places. [2021-03-26 05:16:51,014 INFO L241 Difference]: Finished difference. Result has 297 places, 417 transitions, 9492 flow [2021-03-26 05:16:51,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=8150, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9492, PETRI_PLACES=297, PETRI_TRANSITIONS=417} [2021-03-26 05:16:51,014 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 244 predicate places. [2021-03-26 05:16:51,014 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:51,014 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 297 places, 417 transitions, 9492 flow [2021-03-26 05:16:51,014 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 297 places, 417 transitions, 9492 flow [2021-03-26 05:16:51,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 417 transitions, 9492 flow [2021-03-26 05:16:51,130 INFO L129 PetriNetUnfolder]: 425/914 cut-off events. [2021-03-26 05:16:51,130 INFO L130 PetriNetUnfolder]: For 22588/22605 co-relation queries the response was YES. [2021-03-26 05:16:51,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8616 conditions, 914 events. 425/914 cut-off events. For 22588/22605 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 5450 event pairs, 14 based on Foata normal form. 11/812 useless extension candidates. Maximal degree in co-relation 8446. Up to 293 conditions per place. [2021-03-26 05:16:51,143 INFO L142 LiptonReduction]: Number of co-enabled transitions 1692 [2021-03-26 05:16:51,161 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:51,161 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:51,161 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 147 [2021-03-26 05:16:51,161 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 417 transitions, 9492 flow [2021-03-26 05:16:51,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:51,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:51,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:51,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 05:16:51,162 INFO L428 AbstractCegarLoop]: === Iteration 69 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:51,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:51,162 INFO L82 PathProgramCache]: Analyzing trace with hash -23745818, now seen corresponding path program 4 times [2021-03-26 05:16:51,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:51,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817699336] [2021-03-26 05:16:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:51,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:51,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:51,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:51,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:51,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:51,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:51,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:51,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:51,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:51,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:51,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:51,259 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:51,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:51,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817699336] [2021-03-26 05:16:51,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:51,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:16:51,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602141745] [2021-03-26 05:16:51,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:16:51,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:51,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:16:51,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:16:51,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:51,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 417 transitions, 9492 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:51,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:51,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:51,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:51,640 INFO L129 PetriNetUnfolder]: 514/1076 cut-off events. [2021-03-26 05:16:51,641 INFO L130 PetriNetUnfolder]: For 24249/24255 co-relation queries the response was YES. [2021-03-26 05:16:51,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10309 conditions, 1076 events. 514/1076 cut-off events. For 24249/24255 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 6456 event pairs, 7 based on Foata normal form. 7/948 useless extension candidates. Maximal degree in co-relation 10134. Up to 658 conditions per place. [2021-03-26 05:16:51,653 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 348 selfloop transitions, 62 changer transitions 0/428 dead transitions. [2021-03-26 05:16:51,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 428 transitions, 10533 flow [2021-03-26 05:16:51,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:16:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:16:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 543 transitions. [2021-03-26 05:16:51,654 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4981651376146789 [2021-03-26 05:16:51,654 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 543 transitions. [2021-03-26 05:16:51,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 543 transitions. [2021-03-26 05:16:51,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:51,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 543 transitions. [2021-03-26 05:16:51,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.3) internal successors, (543), 10 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:51,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:51,655 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:51,655 INFO L185 Difference]: Start difference. First operand has 294 places, 417 transitions, 9492 flow. Second operand 10 states and 543 transitions. [2021-03-26 05:16:51,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 428 transitions, 10533 flow [2021-03-26 05:16:51,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 428 transitions, 10142 flow, removed 119 selfloop flow, removed 7 redundant places. [2021-03-26 05:16:51,777 INFO L241 Difference]: Finished difference. Result has 299 places, 421 transitions, 9448 flow [2021-03-26 05:16:51,778 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=9101, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=9448, PETRI_PLACES=299, PETRI_TRANSITIONS=421} [2021-03-26 05:16:51,778 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 246 predicate places. [2021-03-26 05:16:51,778 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:51,778 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 421 transitions, 9448 flow [2021-03-26 05:16:51,778 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 421 transitions, 9448 flow [2021-03-26 05:16:51,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 421 transitions, 9448 flow [2021-03-26 05:16:51,875 INFO L129 PetriNetUnfolder]: 426/941 cut-off events. [2021-03-26 05:16:51,875 INFO L130 PetriNetUnfolder]: For 22933/22965 co-relation queries the response was YES. [2021-03-26 05:16:51,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8710 conditions, 941 events. 426/941 cut-off events. For 22933/22965 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5642 event pairs, 14 based on Foata normal form. 9/831 useless extension candidates. Maximal degree in co-relation 8534. Up to 289 conditions per place. [2021-03-26 05:16:51,889 INFO L142 LiptonReduction]: Number of co-enabled transitions 1744 [2021-03-26 05:16:51,908 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:51,908 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:51,908 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 05:16:51,908 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 421 transitions, 9448 flow [2021-03-26 05:16:51,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:51,909 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:51,909 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:51,909 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 05:16:51,909 INFO L428 AbstractCegarLoop]: === Iteration 70 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:51,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:51,909 INFO L82 PathProgramCache]: Analyzing trace with hash -780139042, now seen corresponding path program 5 times [2021-03-26 05:16:51,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:51,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287383059] [2021-03-26 05:16:51,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:51,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:51,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:51,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:51,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:51,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:51,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:51,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:52,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:52,030 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:52,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:52,035 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:52,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:52,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287383059] [2021-03-26 05:16:52,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:52,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:52,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343693651] [2021-03-26 05:16:52,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:52,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:52,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:52,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:52,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:52,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 421 transitions, 9448 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:52,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:52,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:52,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:52,617 INFO L129 PetriNetUnfolder]: 522/1107 cut-off events. [2021-03-26 05:16:52,617 INFO L130 PetriNetUnfolder]: For 25549/25561 co-relation queries the response was YES. [2021-03-26 05:16:52,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10456 conditions, 1107 events. 522/1107 cut-off events. For 25549/25561 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6720 event pairs, 5 based on Foata normal form. 13/979 useless extension candidates. Maximal degree in co-relation 10274. Up to 632 conditions per place. [2021-03-26 05:16:52,630 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 319 selfloop transitions, 108 changer transitions 0/445 dead transitions. [2021-03-26 05:16:52,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 445 transitions, 10883 flow [2021-03-26 05:16:52,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:52,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 757 transitions. [2021-03-26 05:16:52,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49606815203145477 [2021-03-26 05:16:52,631 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 757 transitions. [2021-03-26 05:16:52,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 757 transitions. [2021-03-26 05:16:52,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:52,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 757 transitions. [2021-03-26 05:16:52,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.07142857142857) internal successors, (757), 14 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:52,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:52,633 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:52,633 INFO L185 Difference]: Start difference. First operand has 299 places, 421 transitions, 9448 flow. Second operand 14 states and 757 transitions. [2021-03-26 05:16:52,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 445 transitions, 10883 flow [2021-03-26 05:16:52,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 445 transitions, 10793 flow, removed 21 selfloop flow, removed 5 redundant places. [2021-03-26 05:16:52,764 INFO L241 Difference]: Finished difference. Result has 311 places, 435 transitions, 10210 flow [2021-03-26 05:16:52,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=9358, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10210, PETRI_PLACES=311, PETRI_TRANSITIONS=435} [2021-03-26 05:16:52,764 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 258 predicate places. [2021-03-26 05:16:52,764 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:52,764 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 311 places, 435 transitions, 10210 flow [2021-03-26 05:16:52,764 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 311 places, 435 transitions, 10210 flow [2021-03-26 05:16:52,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 311 places, 435 transitions, 10210 flow [2021-03-26 05:16:52,870 INFO L129 PetriNetUnfolder]: 437/982 cut-off events. [2021-03-26 05:16:52,870 INFO L130 PetriNetUnfolder]: For 25072/25102 co-relation queries the response was YES. [2021-03-26 05:16:52,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9202 conditions, 982 events. 437/982 cut-off events. For 25072/25102 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6081 event pairs, 16 based on Foata normal form. 8/861 useless extension candidates. Maximal degree in co-relation 9015. Up to 299 conditions per place. [2021-03-26 05:16:52,885 INFO L142 LiptonReduction]: Number of co-enabled transitions 1880 [2021-03-26 05:16:52,906 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:52,906 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:52,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-03-26 05:16:52,906 INFO L480 AbstractCegarLoop]: Abstraction has has 311 places, 435 transitions, 10210 flow [2021-03-26 05:16:52,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:52,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:52,907 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:52,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 05:16:52,907 INFO L428 AbstractCegarLoop]: === Iteration 71 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:52,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:52,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1299092208, now seen corresponding path program 6 times [2021-03-26 05:16:52,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:52,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168017222] [2021-03-26 05:16:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:52,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:52,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:52,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:52,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:52,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:52,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:52,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:52,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:52,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:52,991 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:52,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:53,004 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:53,018 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:53,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:53,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168017222] [2021-03-26 05:16:53,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:53,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:16:53,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206437186] [2021-03-26 05:16:53,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:16:53,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:53,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:16:53,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:16:53,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:53,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 435 transitions, 10210 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:53,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:53,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:53,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:53,622 INFO L129 PetriNetUnfolder]: 531/1156 cut-off events. [2021-03-26 05:16:53,622 INFO L130 PetriNetUnfolder]: For 27224/27230 co-relation queries the response was YES. [2021-03-26 05:16:53,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10878 conditions, 1156 events. 531/1156 cut-off events. For 27224/27230 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7233 event pairs, 5 based on Foata normal form. 8/1010 useless extension candidates. Maximal degree in co-relation 10684. Up to 599 conditions per place. [2021-03-26 05:16:53,636 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 277 selfloop transitions, 155 changer transitions 4/454 dead transitions. [2021-03-26 05:16:53,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 454 transitions, 11448 flow [2021-03-26 05:16:53,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:16:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:16:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 862 transitions. [2021-03-26 05:16:53,637 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49426605504587157 [2021-03-26 05:16:53,637 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 862 transitions. [2021-03-26 05:16:53,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 862 transitions. [2021-03-26 05:16:53,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:53,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 862 transitions. [2021-03-26 05:16:53,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.875) internal successors, (862), 16 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:53,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:53,639 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:53,639 INFO L185 Difference]: Start difference. First operand has 311 places, 435 transitions, 10210 flow. Second operand 16 states and 862 transitions. [2021-03-26 05:16:53,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 454 transitions, 11448 flow [2021-03-26 05:16:53,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 454 transitions, 11092 flow, removed 113 selfloop flow, removed 9 redundant places. [2021-03-26 05:16:53,768 INFO L241 Difference]: Finished difference. Result has 322 places, 437 transitions, 10418 flow [2021-03-26 05:16:53,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=9869, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10418, PETRI_PLACES=322, PETRI_TRANSITIONS=437} [2021-03-26 05:16:53,768 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 269 predicate places. [2021-03-26 05:16:53,768 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:53,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 322 places, 437 transitions, 10418 flow [2021-03-26 05:16:53,769 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 322 places, 437 transitions, 10418 flow [2021-03-26 05:16:53,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 437 transitions, 10418 flow [2021-03-26 05:16:53,881 INFO L129 PetriNetUnfolder]: 448/1023 cut-off events. [2021-03-26 05:16:53,882 INFO L130 PetriNetUnfolder]: For 26144/26175 co-relation queries the response was YES. [2021-03-26 05:16:53,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9571 conditions, 1023 events. 448/1023 cut-off events. For 26144/26175 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6408 event pairs, 13 based on Foata normal form. 8/892 useless extension candidates. Maximal degree in co-relation 9367. Up to 297 conditions per place. [2021-03-26 05:16:53,898 INFO L142 LiptonReduction]: Number of co-enabled transitions 1924 [2021-03-26 05:16:53,918 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:53,919 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:53,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-26 05:16:53,919 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 437 transitions, 10418 flow [2021-03-26 05:16:53,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:53,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:53,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:53,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 05:16:53,919 INFO L428 AbstractCegarLoop]: === Iteration 72 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:53,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:53,919 INFO L82 PathProgramCache]: Analyzing trace with hash 254789752, now seen corresponding path program 7 times [2021-03-26 05:16:53,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:53,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396471521] [2021-03-26 05:16:53,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:53,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:53,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:53,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:53,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:53,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:53,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:53,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:53,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:53,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:53,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:53,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:53,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:53,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:53,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:54,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:54,029 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:16:54,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:54,046 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:54,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:54,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396471521] [2021-03-26 05:16:54,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:54,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:16:54,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453582583] [2021-03-26 05:16:54,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:16:54,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:54,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:16:54,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:16:54,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:54,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 437 transitions, 10418 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:54,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:54,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:54,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:54,611 INFO L129 PetriNetUnfolder]: 524/1142 cut-off events. [2021-03-26 05:16:54,611 INFO L130 PetriNetUnfolder]: For 27682/27692 co-relation queries the response was YES. [2021-03-26 05:16:54,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10910 conditions, 1142 events. 524/1142 cut-off events. For 27682/27692 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7121 event pairs, 15 based on Foata normal form. 11/1003 useless extension candidates. Maximal degree in co-relation 10699. Up to 618 conditions per place. [2021-03-26 05:16:54,625 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 305 selfloop transitions, 119 changer transitions 9/451 dead transitions. [2021-03-26 05:16:54,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 451 transitions, 11425 flow [2021-03-26 05:16:54,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:16:54,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:16:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 862 transitions. [2021-03-26 05:16:54,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49426605504587157 [2021-03-26 05:16:54,627 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 862 transitions. [2021-03-26 05:16:54,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 862 transitions. [2021-03-26 05:16:54,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:54,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 862 transitions. [2021-03-26 05:16:54,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.875) internal successors, (862), 16 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:54,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:54,628 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:54,628 INFO L185 Difference]: Start difference. First operand has 322 places, 437 transitions, 10418 flow. Second operand 16 states and 862 transitions. [2021-03-26 05:16:54,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 451 transitions, 11425 flow [2021-03-26 05:16:54,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 451 transitions, 11134 flow, removed 19 selfloop flow, removed 14 redundant places. [2021-03-26 05:16:54,773 INFO L241 Difference]: Finished difference. Result has 325 places, 429 transitions, 10189 flow [2021-03-26 05:16:54,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=10129, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10189, PETRI_PLACES=325, PETRI_TRANSITIONS=429} [2021-03-26 05:16:54,774 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 272 predicate places. [2021-03-26 05:16:54,774 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:54,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 429 transitions, 10189 flow [2021-03-26 05:16:54,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 429 transitions, 10189 flow [2021-03-26 05:16:54,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 325 places, 429 transitions, 10189 flow [2021-03-26 05:16:54,898 INFO L129 PetriNetUnfolder]: 437/1009 cut-off events. [2021-03-26 05:16:54,898 INFO L130 PetriNetUnfolder]: For 25958/25986 co-relation queries the response was YES. [2021-03-26 05:16:54,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9282 conditions, 1009 events. 437/1009 cut-off events. For 25958/25986 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6397 event pairs, 13 based on Foata normal form. 11/880 useless extension candidates. Maximal degree in co-relation 9088. Up to 291 conditions per place. [2021-03-26 05:16:54,914 INFO L142 LiptonReduction]: Number of co-enabled transitions 1886 [2021-03-26 05:16:54,934 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:54,934 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:54,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-03-26 05:16:54,935 INFO L480 AbstractCegarLoop]: Abstraction has has 325 places, 429 transitions, 10189 flow [2021-03-26 05:16:54,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:54,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:54,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:54,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 05:16:54,935 INFO L428 AbstractCegarLoop]: === Iteration 73 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:54,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:54,935 INFO L82 PathProgramCache]: Analyzing trace with hash -594452734, now seen corresponding path program 8 times [2021-03-26 05:16:54,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:54,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920375302] [2021-03-26 05:16:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:54,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:54,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:54,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:54,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:54,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:54,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:54,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:54,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:54,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:54,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:54,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:54,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:54,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:55,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:55,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:55,026 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:55,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:55,042 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:55,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920375302] [2021-03-26 05:16:55,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:55,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:55,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075914024] [2021-03-26 05:16:55,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:55,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:55,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:55,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:55,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:55,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 429 transitions, 10189 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:55,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:55,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:55,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:55,520 INFO L129 PetriNetUnfolder]: 532/1163 cut-off events. [2021-03-26 05:16:55,521 INFO L130 PetriNetUnfolder]: For 29043/29047 co-relation queries the response was YES. [2021-03-26 05:16:55,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11296 conditions, 1163 events. 532/1163 cut-off events. For 29043/29047 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7325 event pairs, 13 based on Foata normal form. 6/1016 useless extension candidates. Maximal degree in co-relation 11095. Up to 586 conditions per place. [2021-03-26 05:16:55,535 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 285 selfloop transitions, 150 changer transitions 15/468 dead transitions. [2021-03-26 05:16:55,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 468 transitions, 12127 flow [2021-03-26 05:16:55,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 760 transitions. [2021-03-26 05:16:55,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4980340760157274 [2021-03-26 05:16:55,536 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 760 transitions. [2021-03-26 05:16:55,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 760 transitions. [2021-03-26 05:16:55,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:55,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 760 transitions. [2021-03-26 05:16:55,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.285714285714285) internal successors, (760), 14 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:55,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:55,538 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:55,538 INFO L185 Difference]: Start difference. First operand has 325 places, 429 transitions, 10189 flow. Second operand 14 states and 760 transitions. [2021-03-26 05:16:55,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 468 transitions, 12127 flow [2021-03-26 05:16:55,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 468 transitions, 11748 flow, removed 23 selfloop flow, removed 20 redundant places. [2021-03-26 05:16:55,695 INFO L241 Difference]: Finished difference. Result has 323 places, 439 transitions, 10592 flow [2021-03-26 05:16:55,696 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=9840, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10592, PETRI_PLACES=323, PETRI_TRANSITIONS=439} [2021-03-26 05:16:55,696 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 270 predicate places. [2021-03-26 05:16:55,696 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:55,696 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 439 transitions, 10592 flow [2021-03-26 05:16:55,696 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 439 transitions, 10592 flow [2021-03-26 05:16:55,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 439 transitions, 10592 flow [2021-03-26 05:16:55,810 INFO L129 PetriNetUnfolder]: 443/1007 cut-off events. [2021-03-26 05:16:55,810 INFO L130 PetriNetUnfolder]: For 28137/28173 co-relation queries the response was YES. [2021-03-26 05:16:55,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9661 conditions, 1007 events. 443/1007 cut-off events. For 28137/28173 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6266 event pairs, 9 based on Foata normal form. 8/878 useless extension candidates. Maximal degree in co-relation 9468. Up to 297 conditions per place. [2021-03-26 05:16:55,827 INFO L142 LiptonReduction]: Number of co-enabled transitions 1854 [2021-03-26 05:16:55,847 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:55,847 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:55,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-03-26 05:16:55,848 INFO L480 AbstractCegarLoop]: Abstraction has has 321 places, 439 transitions, 10592 flow [2021-03-26 05:16:55,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:55,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:55,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:55,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 05:16:55,848 INFO L428 AbstractCegarLoop]: === Iteration 74 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:55,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:55,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1469558054, now seen corresponding path program 9 times [2021-03-26 05:16:55,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:55,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071610482] [2021-03-26 05:16:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:55,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:55,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:55,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:55,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:55,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:55,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:55,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:55,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:55,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:55,941 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:55,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:55,952 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:55,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:55,965 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:55,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:55,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071610482] [2021-03-26 05:16:55,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:55,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:55,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014840077] [2021-03-26 05:16:55,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:55,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:55,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:55,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:55,968 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:55,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 439 transitions, 10592 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:55,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:55,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:55,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:56,505 INFO L129 PetriNetUnfolder]: 540/1174 cut-off events. [2021-03-26 05:16:56,505 INFO L130 PetriNetUnfolder]: For 31956/31962 co-relation queries the response was YES. [2021-03-26 05:16:56,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11779 conditions, 1174 events. 540/1174 cut-off events. For 31956/31962 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7373 event pairs, 9 based on Foata normal form. 8/1030 useless extension candidates. Maximal degree in co-relation 11579. Up to 572 conditions per place. [2021-03-26 05:16:56,520 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 250 selfloop transitions, 205 changer transitions 5/478 dead transitions. [2021-03-26 05:16:56,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 478 transitions, 12821 flow [2021-03-26 05:16:56,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:16:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:16:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 879 transitions. [2021-03-26 05:16:56,521 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5040137614678899 [2021-03-26 05:16:56,521 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 879 transitions. [2021-03-26 05:16:56,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 879 transitions. [2021-03-26 05:16:56,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:56,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 879 transitions. [2021-03-26 05:16:56,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.9375) internal successors, (879), 16 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:56,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:56,523 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:56,523 INFO L185 Difference]: Start difference. First operand has 321 places, 439 transitions, 10592 flow. Second operand 16 states and 879 transitions. [2021-03-26 05:16:56,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 478 transitions, 12821 flow [2021-03-26 05:16:56,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 478 transitions, 12335 flow, removed 146 selfloop flow, removed 10 redundant places. [2021-03-26 05:16:56,681 INFO L241 Difference]: Finished difference. Result has 332 places, 461 transitions, 11752 flow [2021-03-26 05:16:56,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=10149, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=11752, PETRI_PLACES=332, PETRI_TRANSITIONS=461} [2021-03-26 05:16:56,681 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 279 predicate places. [2021-03-26 05:16:56,681 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:56,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 461 transitions, 11752 flow [2021-03-26 05:16:56,681 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 461 transitions, 11752 flow [2021-03-26 05:16:56,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 330 places, 461 transitions, 11752 flow [2021-03-26 05:16:56,807 INFO L129 PetriNetUnfolder]: 458/1022 cut-off events. [2021-03-26 05:16:56,807 INFO L130 PetriNetUnfolder]: For 30351/30371 co-relation queries the response was YES. [2021-03-26 05:16:56,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10186 conditions, 1022 events. 458/1022 cut-off events. For 30351/30371 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6420 event pairs, 7 based on Foata normal form. 8/893 useless extension candidates. Maximal degree in co-relation 9992. Up to 315 conditions per place. [2021-03-26 05:16:56,825 INFO L142 LiptonReduction]: Number of co-enabled transitions 1936 [2021-03-26 05:16:56,860 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:56,860 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:56,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 179 [2021-03-26 05:16:56,861 INFO L480 AbstractCegarLoop]: Abstraction has has 330 places, 461 transitions, 11752 flow [2021-03-26 05:16:56,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:56,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:56,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:56,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 05:16:56,861 INFO L428 AbstractCegarLoop]: === Iteration 75 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:56,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:56,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1275430226, now seen corresponding path program 10 times [2021-03-26 05:16:56,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:56,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996021009] [2021-03-26 05:16:56,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:56,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:56,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:56,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:56,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:56,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:56,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:56,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:56,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:56,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:56,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:56,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:56,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:56,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:56,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:56,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:56,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:56,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:56,956 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:56,974 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:56,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:56,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996021009] [2021-03-26 05:16:56,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:56,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:56,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596835088] [2021-03-26 05:16:56,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:56,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:56,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:56,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:56,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:56,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 461 transitions, 11752 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:56,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:56,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:56,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:57,614 INFO L129 PetriNetUnfolder]: 560/1239 cut-off events. [2021-03-26 05:16:57,614 INFO L130 PetriNetUnfolder]: For 36016/36020 co-relation queries the response was YES. [2021-03-26 05:16:57,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12659 conditions, 1239 events. 560/1239 cut-off events. For 36016/36020 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8026 event pairs, 18 based on Foata normal form. 6/1083 useless extension candidates. Maximal degree in co-relation 12458. Up to 589 conditions per place. [2021-03-26 05:16:57,630 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 271 selfloop transitions, 197 changer transitions 14/500 dead transitions. [2021-03-26 05:16:57,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 500 transitions, 14131 flow [2021-03-26 05:16:57,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:16:57,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:16:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 777 transitions. [2021-03-26 05:16:57,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5091743119266054 [2021-03-26 05:16:57,631 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 777 transitions. [2021-03-26 05:16:57,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 777 transitions. [2021-03-26 05:16:57,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:57,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 777 transitions. [2021-03-26 05:16:57,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.5) internal successors, (777), 14 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:57,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:57,633 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:57,633 INFO L185 Difference]: Start difference. First operand has 330 places, 461 transitions, 11752 flow. Second operand 14 states and 777 transitions. [2021-03-26 05:16:57,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 500 transitions, 14131 flow [2021-03-26 05:16:57,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 500 transitions, 13275 flow, removed 394 selfloop flow, removed 7 redundant places. [2021-03-26 05:16:57,818 INFO L241 Difference]: Finished difference. Result has 342 places, 472 transitions, 12251 flow [2021-03-26 05:16:57,818 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=11086, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12251, PETRI_PLACES=342, PETRI_TRANSITIONS=472} [2021-03-26 05:16:57,818 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 289 predicate places. [2021-03-26 05:16:57,818 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:57,818 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 472 transitions, 12251 flow [2021-03-26 05:16:57,818 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 472 transitions, 12251 flow [2021-03-26 05:16:57,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 342 places, 472 transitions, 12251 flow [2021-03-26 05:16:57,949 INFO L129 PetriNetUnfolder]: 465/1054 cut-off events. [2021-03-26 05:16:57,949 INFO L130 PetriNetUnfolder]: For 35219/35255 co-relation queries the response was YES. [2021-03-26 05:16:57,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10825 conditions, 1054 events. 465/1054 cut-off events. For 35219/35255 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6654 event pairs, 11 based on Foata normal form. 8/923 useless extension candidates. Maximal degree in co-relation 10624. Up to 315 conditions per place. [2021-03-26 05:16:57,968 INFO L142 LiptonReduction]: Number of co-enabled transitions 2028 [2021-03-26 05:16:57,991 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:57,991 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:57,991 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 173 [2021-03-26 05:16:57,992 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 472 transitions, 12251 flow [2021-03-26 05:16:57,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:57,992 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:57,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:57,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 05:16:57,992 INFO L428 AbstractCegarLoop]: === Iteration 76 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:57,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:57,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1639170908, now seen corresponding path program 11 times [2021-03-26 05:16:57,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:57,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755797411] [2021-03-26 05:16:57,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:58,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:58,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:58,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:58,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:58,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:58,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:58,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:58,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:58,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:58,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:58,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:58,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:58,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:58,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:58,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:58,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:58,075 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:58,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:58,088 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:58,105 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:16:58,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:58,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755797411] [2021-03-26 05:16:58,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:58,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:16:58,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191353367] [2021-03-26 05:16:58,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:16:58,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:58,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:16:58,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:16:58,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:58,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 472 transitions, 12251 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:58,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:58,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:58,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:58,723 INFO L129 PetriNetUnfolder]: 550/1209 cut-off events. [2021-03-26 05:16:58,724 INFO L130 PetriNetUnfolder]: For 37217/37221 co-relation queries the response was YES. [2021-03-26 05:16:58,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12517 conditions, 1209 events. 550/1209 cut-off events. For 37217/37221 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 7727 event pairs, 17 based on Foata normal form. 6/1060 useless extension candidates. Maximal degree in co-relation 12309. Up to 545 conditions per place. [2021-03-26 05:16:58,748 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 223 selfloop transitions, 239 changer transitions 11/491 dead transitions. [2021-03-26 05:16:58,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 491 transitions, 13558 flow [2021-03-26 05:16:58,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:16:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:16:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 932 transitions. [2021-03-26 05:16:58,750 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5029681597409607 [2021-03-26 05:16:58,750 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 932 transitions. [2021-03-26 05:16:58,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 932 transitions. [2021-03-26 05:16:58,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:58,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 932 transitions. [2021-03-26 05:16:58,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 54.8235294117647) internal successors, (932), 17 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:58,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 109.0) internal successors, (1962), 18 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:58,752 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 109.0) internal successors, (1962), 18 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:58,752 INFO L185 Difference]: Start difference. First operand has 342 places, 472 transitions, 12251 flow. Second operand 17 states and 932 transitions. [2021-03-26 05:16:58,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 491 transitions, 13558 flow [2021-03-26 05:16:59,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 491 transitions, 13339 flow, removed 61 selfloop flow, removed 9 redundant places. [2021-03-26 05:16:59,044 INFO L241 Difference]: Finished difference. Result has 352 places, 466 transitions, 12523 flow [2021-03-26 05:16:59,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=12036, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=12523, PETRI_PLACES=352, PETRI_TRANSITIONS=466} [2021-03-26 05:16:59,045 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 299 predicate places. [2021-03-26 05:16:59,045 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:16:59,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 352 places, 466 transitions, 12523 flow [2021-03-26 05:16:59,045 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 352 places, 466 transitions, 12523 flow [2021-03-26 05:16:59,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 350 places, 466 transitions, 12523 flow [2021-03-26 05:16:59,183 INFO L129 PetriNetUnfolder]: 464/1061 cut-off events. [2021-03-26 05:16:59,183 INFO L130 PetriNetUnfolder]: For 34349/34380 co-relation queries the response was YES. [2021-03-26 05:16:59,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10991 conditions, 1061 events. 464/1061 cut-off events. For 34349/34380 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6844 event pairs, 7 based on Foata normal form. 9/927 useless extension candidates. Maximal degree in co-relation 10789. Up to 308 conditions per place. [2021-03-26 05:16:59,203 INFO L142 LiptonReduction]: Number of co-enabled transitions 2032 [2021-03-26 05:16:59,227 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:16:59,227 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:16:59,227 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182 [2021-03-26 05:16:59,227 INFO L480 AbstractCegarLoop]: Abstraction has has 350 places, 466 transitions, 12523 flow [2021-03-26 05:16:59,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:59,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:16:59,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:16:59,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 05:16:59,228 INFO L428 AbstractCegarLoop]: === Iteration 77 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:16:59,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:16:59,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1688032206, now seen corresponding path program 12 times [2021-03-26 05:16:59,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:16:59,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739455086] [2021-03-26 05:16:59,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:16:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:16:59,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:59,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:16:59,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:59,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:16:59,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:59,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:59,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:59,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:59,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:59,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:16:59,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:59,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:59,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:59,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:59,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:16:59,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:59,325 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:16:59,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:16:59,328 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:16:59,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:16:59,344 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:16:59,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:16:59,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:16:59,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739455086] [2021-03-26 05:16:59,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:16:59,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:16:59,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665235817] [2021-03-26 05:16:59,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:16:59,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:16:59,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:16:59,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:16:59,348 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:16:59,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 466 transitions, 12523 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:59,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:16:59,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:16:59,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:16:59,901 INFO L129 PetriNetUnfolder]: 569/1233 cut-off events. [2021-03-26 05:16:59,901 INFO L130 PetriNetUnfolder]: For 38120/38132 co-relation queries the response was YES. [2021-03-26 05:16:59,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13365 conditions, 1233 events. 569/1233 cut-off events. For 38120/38132 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7857 event pairs, 7 based on Foata normal form. 13/1092 useless extension candidates. Maximal degree in co-relation 13156. Up to 638 conditions per place. [2021-03-26 05:16:59,918 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 317 selfloop transitions, 175 changer transitions 0/510 dead transitions. [2021-03-26 05:16:59,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 510 transitions, 14799 flow [2021-03-26 05:16:59,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:16:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:16:59,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 714 transitions. [2021-03-26 05:16:59,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5038814396612562 [2021-03-26 05:16:59,919 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 714 transitions. [2021-03-26 05:16:59,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 714 transitions. [2021-03-26 05:16:59,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:16:59,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 714 transitions. [2021-03-26 05:16:59,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.92307692307692) internal successors, (714), 13 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:59,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:59,921 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:16:59,921 INFO L185 Difference]: Start difference. First operand has 350 places, 466 transitions, 12523 flow. Second operand 13 states and 714 transitions. [2021-03-26 05:16:59,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 510 transitions, 14799 flow [2021-03-26 05:17:00,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 510 transitions, 14068 flow, removed 101 selfloop flow, removed 20 redundant places. [2021-03-26 05:17:00,136 INFO L241 Difference]: Finished difference. Result has 347 places, 497 transitions, 13497 flow [2021-03-26 05:17:00,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=11803, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=13497, PETRI_PLACES=347, PETRI_TRANSITIONS=497} [2021-03-26 05:17:00,137 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 294 predicate places. [2021-03-26 05:17:00,137 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:00,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 497 transitions, 13497 flow [2021-03-26 05:17:00,137 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 497 transitions, 13497 flow [2021-03-26 05:17:00,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 347 places, 497 transitions, 13497 flow [2021-03-26 05:17:00,287 INFO L129 PetriNetUnfolder]: 516/1168 cut-off events. [2021-03-26 05:17:00,287 INFO L130 PetriNetUnfolder]: For 40773/40777 co-relation queries the response was YES. [2021-03-26 05:17:00,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12172 conditions, 1168 events. 516/1168 cut-off events. For 40773/40777 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7573 event pairs, 11 based on Foata normal form. 3/1018 useless extension candidates. Maximal degree in co-relation 11970. Up to 349 conditions per place. [2021-03-26 05:17:00,309 INFO L142 LiptonReduction]: Number of co-enabled transitions 2170 [2021-03-26 05:17:00,334 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:00,334 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:00,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 197 [2021-03-26 05:17:00,335 INFO L480 AbstractCegarLoop]: Abstraction has has 347 places, 497 transitions, 13497 flow [2021-03-26 05:17:00,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:00,335 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:00,335 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:00,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 05:17:00,335 INFO L428 AbstractCegarLoop]: === Iteration 78 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:00,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:00,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1557299896, now seen corresponding path program 13 times [2021-03-26 05:17:00,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:00,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066221797] [2021-03-26 05:17:00,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:00,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:00,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:00,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:00,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:00,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:00,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:00,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:00,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:00,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:00,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:00,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:00,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:00,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:00,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:00,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:00,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:00,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:00,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:00,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:00,419 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:00,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:00,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066221797] [2021-03-26 05:17:00,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:00,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:17:00,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137896003] [2021-03-26 05:17:00,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:17:00,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:00,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:17:00,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:17:00,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:00,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 497 transitions, 13497 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:00,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:00,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:00,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:00,862 INFO L129 PetriNetUnfolder]: 581/1269 cut-off events. [2021-03-26 05:17:00,862 INFO L130 PetriNetUnfolder]: For 41028/41038 co-relation queries the response was YES. [2021-03-26 05:17:00,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13774 conditions, 1269 events. 581/1269 cut-off events. For 41028/41038 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8224 event pairs, 20 based on Foata normal form. 11/1121 useless extension candidates. Maximal degree in co-relation 13565. Up to 760 conditions per place. [2021-03-26 05:17:00,879 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 434 selfloop transitions, 68 changer transitions 0/520 dead transitions. [2021-03-26 05:17:00,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 520 transitions, 15235 flow [2021-03-26 05:17:00,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:17:00,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:17:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 599 transitions. [2021-03-26 05:17:00,880 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49958298582151794 [2021-03-26 05:17:00,880 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 599 transitions. [2021-03-26 05:17:00,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 599 transitions. [2021-03-26 05:17:00,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:00,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 599 transitions. [2021-03-26 05:17:00,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.45454545454545) internal successors, (599), 11 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:00,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:00,882 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:00,882 INFO L185 Difference]: Start difference. First operand has 347 places, 497 transitions, 13497 flow. Second operand 11 states and 599 transitions. [2021-03-26 05:17:00,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 520 transitions, 15235 flow [2021-03-26 05:17:01,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 520 transitions, 14526 flow, removed 350 selfloop flow, removed 1 redundant places. [2021-03-26 05:17:01,117 INFO L241 Difference]: Finished difference. Result has 360 places, 511 transitions, 13625 flow [2021-03-26 05:17:01,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=12868, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13625, PETRI_PLACES=360, PETRI_TRANSITIONS=511} [2021-03-26 05:17:01,117 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 307 predicate places. [2021-03-26 05:17:01,117 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:01,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 360 places, 511 transitions, 13625 flow [2021-03-26 05:17:01,117 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 360 places, 511 transitions, 13625 flow [2021-03-26 05:17:01,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 360 places, 511 transitions, 13625 flow [2021-03-26 05:17:01,295 INFO L129 PetriNetUnfolder]: 510/1144 cut-off events. [2021-03-26 05:17:01,295 INFO L130 PetriNetUnfolder]: For 39352/39372 co-relation queries the response was YES. [2021-03-26 05:17:01,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11737 conditions, 1144 events. 510/1144 cut-off events. For 39352/39372 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7482 event pairs, 7 based on Foata normal form. 9/999 useless extension candidates. Maximal degree in co-relation 11532. Up to 348 conditions per place. [2021-03-26 05:17:01,314 INFO L142 LiptonReduction]: Number of co-enabled transitions 2258 [2021-03-26 05:17:01,340 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:01,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:01,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-03-26 05:17:01,341 INFO L480 AbstractCegarLoop]: Abstraction has has 360 places, 511 transitions, 13625 flow [2021-03-26 05:17:01,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:01,341 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:01,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:01,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 05:17:01,341 INFO L428 AbstractCegarLoop]: === Iteration 79 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:01,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:01,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1520556350, now seen corresponding path program 14 times [2021-03-26 05:17:01,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:01,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863973079] [2021-03-26 05:17:01,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:01,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:01,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:01,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:01,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:01,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:01,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:01,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:01,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:01,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:01,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:01,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:01,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:01,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:01,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:01,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:01,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:01,432 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:01,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:01,435 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:01,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:01,451 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:01,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:01,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863973079] [2021-03-26 05:17:01,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:01,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:01,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727787996] [2021-03-26 05:17:01,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:01,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:01,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:01,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:01,455 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:01,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 511 transitions, 13625 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:01,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:01,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:01,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:02,065 INFO L129 PetriNetUnfolder]: 613/1347 cut-off events. [2021-03-26 05:17:02,065 INFO L130 PetriNetUnfolder]: For 44071/44075 co-relation queries the response was YES. [2021-03-26 05:17:02,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14336 conditions, 1347 events. 613/1347 cut-off events. For 44071/44075 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8883 event pairs, 7 based on Foata normal form. 5/1176 useless extension candidates. Maximal degree in co-relation 14124. Up to 652 conditions per place. [2021-03-26 05:17:02,083 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 315 selfloop transitions, 230 changer transitions 0/563 dead transitions. [2021-03-26 05:17:02,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 563 transitions, 16631 flow [2021-03-26 05:17:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:17:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:17:02,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 817 transitions. [2021-03-26 05:17:02,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4996941896024465 [2021-03-26 05:17:02,085 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 817 transitions. [2021-03-26 05:17:02,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 817 transitions. [2021-03-26 05:17:02,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:02,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 817 transitions. [2021-03-26 05:17:02,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.46666666666667) internal successors, (817), 15 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:02,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:02,086 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:02,086 INFO L185 Difference]: Start difference. First operand has 360 places, 511 transitions, 13625 flow. Second operand 15 states and 817 transitions. [2021-03-26 05:17:02,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 563 transitions, 16631 flow [2021-03-26 05:17:02,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 563 transitions, 16491 flow, removed 43 selfloop flow, removed 4 redundant places. [2021-03-26 05:17:02,341 INFO L241 Difference]: Finished difference. Result has 375 places, 551 transitions, 15959 flow [2021-03-26 05:17:02,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=13485, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15959, PETRI_PLACES=375, PETRI_TRANSITIONS=551} [2021-03-26 05:17:02,342 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 322 predicate places. [2021-03-26 05:17:02,342 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:02,342 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 375 places, 551 transitions, 15959 flow [2021-03-26 05:17:02,342 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 375 places, 551 transitions, 15959 flow [2021-03-26 05:17:02,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 375 places, 551 transitions, 15959 flow [2021-03-26 05:17:02,516 INFO L129 PetriNetUnfolder]: 544/1251 cut-off events. [2021-03-26 05:17:02,516 INFO L130 PetriNetUnfolder]: For 44154/44190 co-relation queries the response was YES. [2021-03-26 05:17:02,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13249 conditions, 1251 events. 544/1251 cut-off events. For 44154/44190 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8479 event pairs, 7 based on Foata normal form. 8/1085 useless extension candidates. Maximal degree in co-relation 13038. Up to 383 conditions per place. [2021-03-26 05:17:02,542 INFO L142 LiptonReduction]: Number of co-enabled transitions 2458 [2021-03-26 05:17:02,574 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:02,574 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:02,575 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 233 [2021-03-26 05:17:02,575 INFO L480 AbstractCegarLoop]: Abstraction has has 375 places, 551 transitions, 15959 flow [2021-03-26 05:17:02,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:02,575 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:02,575 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:02,575 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 05:17:02,575 INFO L428 AbstractCegarLoop]: === Iteration 80 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:02,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:02,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1627960430, now seen corresponding path program 15 times [2021-03-26 05:17:02,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:02,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401693001] [2021-03-26 05:17:02,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:02,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:02,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:02,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:02,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:02,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:02,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:02,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:02,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:02,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:02,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:02,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:02,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:02,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:02,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:02,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:02,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:02,672 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:02,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:02,676 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:02,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:02,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401693001] [2021-03-26 05:17:02,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:02,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:02,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314000010] [2021-03-26 05:17:02,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:02,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:02,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:02,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:02,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:02,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 551 transitions, 15959 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:02,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:02,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:02,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:03,266 INFO L129 PetriNetUnfolder]: 630/1388 cut-off events. [2021-03-26 05:17:03,266 INFO L130 PetriNetUnfolder]: For 48065/48069 co-relation queries the response was YES. [2021-03-26 05:17:03,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15528 conditions, 1388 events. 630/1388 cut-off events. For 48065/48069 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9229 event pairs, 16 based on Foata normal form. 5/1212 useless extension candidates. Maximal degree in co-relation 15310. Up to 791 conditions per place. [2021-03-26 05:17:03,284 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 452 selfloop transitions, 115 changer transitions 0/585 dead transitions. [2021-03-26 05:17:03,284 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 585 transitions, 18464 flow [2021-03-26 05:17:03,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:17:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:17:03,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 702 transitions. [2021-03-26 05:17:03,285 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4954128440366973 [2021-03-26 05:17:03,285 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 702 transitions. [2021-03-26 05:17:03,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 702 transitions. [2021-03-26 05:17:03,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:03,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 702 transitions. [2021-03-26 05:17:03,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.0) internal successors, (702), 13 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:03,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:03,286 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:03,286 INFO L185 Difference]: Start difference. First operand has 375 places, 551 transitions, 15959 flow. Second operand 13 states and 702 transitions. [2021-03-26 05:17:03,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 585 transitions, 18464 flow [2021-03-26 05:17:03,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 585 transitions, 17485 flow, removed 456 selfloop flow, removed 5 redundant places. [2021-03-26 05:17:03,580 INFO L241 Difference]: Finished difference. Result has 385 places, 574 transitions, 16530 flow [2021-03-26 05:17:03,580 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=15258, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16530, PETRI_PLACES=385, PETRI_TRANSITIONS=574} [2021-03-26 05:17:03,581 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 332 predicate places. [2021-03-26 05:17:03,581 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:03,581 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 574 transitions, 16530 flow [2021-03-26 05:17:03,581 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 574 transitions, 16530 flow [2021-03-26 05:17:03,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 385 places, 574 transitions, 16530 flow [2021-03-26 05:17:03,803 INFO L129 PetriNetUnfolder]: 579/1332 cut-off events. [2021-03-26 05:17:03,803 INFO L130 PetriNetUnfolder]: For 47048/47053 co-relation queries the response was YES. [2021-03-26 05:17:03,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13928 conditions, 1332 events. 579/1332 cut-off events. For 47048/47053 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9084 event pairs, 6 based on Foata normal form. 4/1154 useless extension candidates. Maximal degree in co-relation 13713. Up to 391 conditions per place. [2021-03-26 05:17:03,830 INFO L142 LiptonReduction]: Number of co-enabled transitions 2606 [2021-03-26 05:17:03,863 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:03,864 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:03,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 283 [2021-03-26 05:17:03,864 INFO L480 AbstractCegarLoop]: Abstraction has has 385 places, 574 transitions, 16530 flow [2021-03-26 05:17:03,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:03,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:03,864 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:03,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 05:17:03,864 INFO L428 AbstractCegarLoop]: === Iteration 81 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:03,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:03,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1289787214, now seen corresponding path program 16 times [2021-03-26 05:17:03,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:03,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195052441] [2021-03-26 05:17:03,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:03,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:03,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:03,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:03,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:03,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:03,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:03,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:03,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:03,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:03,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:03,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:03,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:03,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:03,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:03,971 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:03,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:03,987 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:03,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:03,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195052441] [2021-03-26 05:17:03,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:03,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:03,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847907189] [2021-03-26 05:17:03,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:03,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:03,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:03,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:03,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:03,992 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 574 transitions, 16530 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:03,992 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:03,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:03,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:04,663 INFO L129 PetriNetUnfolder]: 651/1451 cut-off events. [2021-03-26 05:17:04,663 INFO L130 PetriNetUnfolder]: For 50596/50602 co-relation queries the response was YES. [2021-03-26 05:17:04,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15662 conditions, 1451 events. 651/1451 cut-off events. For 50596/50602 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9903 event pairs, 4 based on Foata normal form. 7/1261 useless extension candidates. Maximal degree in co-relation 15440. Up to 670 conditions per place. [2021-03-26 05:17:04,684 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 336 selfloop transitions, 252 changer transitions 0/606 dead transitions. [2021-03-26 05:17:04,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 606 transitions, 18775 flow [2021-03-26 05:17:04,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:17:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:17:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 766 transitions. [2021-03-26 05:17:04,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5019659239842726 [2021-03-26 05:17:04,685 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 766 transitions. [2021-03-26 05:17:04,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 766 transitions. [2021-03-26 05:17:04,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:04,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 766 transitions. [2021-03-26 05:17:04,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.714285714285715) internal successors, (766), 14 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:04,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:04,687 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:04,687 INFO L185 Difference]: Start difference. First operand has 385 places, 574 transitions, 16530 flow. Second operand 14 states and 766 transitions. [2021-03-26 05:17:04,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 606 transitions, 18775 flow [2021-03-26 05:17:04,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 606 transitions, 18580 flow, removed 62 selfloop flow, removed 7 redundant places. [2021-03-26 05:17:04,992 INFO L241 Difference]: Finished difference. Result has 394 places, 593 transitions, 17909 flow [2021-03-26 05:17:04,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=16335, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=237, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17909, PETRI_PLACES=394, PETRI_TRANSITIONS=593} [2021-03-26 05:17:04,993 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 341 predicate places. [2021-03-26 05:17:04,993 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:04,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 394 places, 593 transitions, 17909 flow [2021-03-26 05:17:04,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 394 places, 593 transitions, 17909 flow [2021-03-26 05:17:04,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 593 transitions, 17909 flow [2021-03-26 05:17:05,230 INFO L129 PetriNetUnfolder]: 586/1359 cut-off events. [2021-03-26 05:17:05,231 INFO L130 PetriNetUnfolder]: For 49031/49067 co-relation queries the response was YES. [2021-03-26 05:17:05,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14520 conditions, 1359 events. 586/1359 cut-off events. For 49031/49067 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9382 event pairs, 7 based on Foata normal form. 8/1168 useless extension candidates. Maximal degree in co-relation 14301. Up to 400 conditions per place. [2021-03-26 05:17:05,256 INFO L142 LiptonReduction]: Number of co-enabled transitions 2732 [2021-03-26 05:17:05,290 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:05,290 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:05,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-03-26 05:17:05,291 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 593 transitions, 17909 flow [2021-03-26 05:17:05,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:05,291 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:05,291 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:05,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 05:17:05,291 INFO L428 AbstractCegarLoop]: === Iteration 82 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:05,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:05,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1233140032, now seen corresponding path program 17 times [2021-03-26 05:17:05,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:05,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101807698] [2021-03-26 05:17:05,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:05,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:05,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:05,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:05,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:05,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:05,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:05,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:05,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:05,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:05,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:05,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:05,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:05,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:05,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:05,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:05,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:05,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:05,386 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:05,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:05,409 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:05,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:05,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101807698] [2021-03-26 05:17:05,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:05,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:05,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661944635] [2021-03-26 05:17:05,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:05,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:05,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:05,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:05,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:05,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 593 transitions, 17909 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:05,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:05,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:05,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:06,125 INFO L129 PetriNetUnfolder]: 652/1464 cut-off events. [2021-03-26 05:17:06,126 INFO L130 PetriNetUnfolder]: For 52952/52956 co-relation queries the response was YES. [2021-03-26 05:17:06,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16343 conditions, 1464 events. 652/1464 cut-off events. For 52952/52956 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10006 event pairs, 4 based on Foata normal form. 5/1272 useless extension candidates. Maximal degree in co-relation 16117. Up to 814 conditions per place. [2021-03-26 05:17:06,148 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 495 selfloop transitions, 101 changer transitions 1/615 dead transitions. [2021-03-26 05:17:06,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 615 transitions, 19652 flow [2021-03-26 05:17:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:17:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:17:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 807 transitions. [2021-03-26 05:17:06,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4935779816513762 [2021-03-26 05:17:06,149 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 807 transitions. [2021-03-26 05:17:06,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 807 transitions. [2021-03-26 05:17:06,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:06,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 807 transitions. [2021-03-26 05:17:06,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.8) internal successors, (807), 15 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:06,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:06,151 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:06,151 INFO L185 Difference]: Start difference. First operand has 394 places, 593 transitions, 17909 flow. Second operand 15 states and 807 transitions. [2021-03-26 05:17:06,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 615 transitions, 19652 flow [2021-03-26 05:17:06,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 615 transitions, 19244 flow, removed 198 selfloop flow, removed 2 redundant places. [2021-03-26 05:17:06,478 INFO L241 Difference]: Finished difference. Result has 409 places, 604 transitions, 18225 flow [2021-03-26 05:17:06,479 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=17501, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=18225, PETRI_PLACES=409, PETRI_TRANSITIONS=604} [2021-03-26 05:17:06,479 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 356 predicate places. [2021-03-26 05:17:06,479 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:06,479 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 409 places, 604 transitions, 18225 flow [2021-03-26 05:17:06,479 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 409 places, 604 transitions, 18225 flow [2021-03-26 05:17:06,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 604 transitions, 18225 flow [2021-03-26 05:17:06,684 INFO L129 PetriNetUnfolder]: 598/1398 cut-off events. [2021-03-26 05:17:06,685 INFO L130 PetriNetUnfolder]: For 50445/50476 co-relation queries the response was YES. [2021-03-26 05:17:06,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14704 conditions, 1398 events. 598/1398 cut-off events. For 50445/50476 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9789 event pairs, 1 based on Foata normal form. 10/1198 useless extension candidates. Maximal degree in co-relation 14481. Up to 400 conditions per place. [2021-03-26 05:17:06,716 INFO L142 LiptonReduction]: Number of co-enabled transitions 2786 [2021-03-26 05:17:06,753 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:06,753 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:06,753 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 274 [2021-03-26 05:17:06,754 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 604 transitions, 18225 flow [2021-03-26 05:17:06,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:06,754 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:06,754 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:06,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 05:17:06,754 INFO L428 AbstractCegarLoop]: === Iteration 83 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:06,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:06,754 INFO L82 PathProgramCache]: Analyzing trace with hash -46017582, now seen corresponding path program 18 times [2021-03-26 05:17:06,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:06,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686207790] [2021-03-26 05:17:06,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:06,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:06,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:06,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:06,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:06,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:06,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:06,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:06,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:06,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:06,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:06,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:06,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:06,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:06,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:06,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:06,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:06,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:06,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:06,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:06,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:06,880 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:06,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:06,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686207790] [2021-03-26 05:17:06,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:06,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:06,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009749568] [2021-03-26 05:17:06,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:06,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:06,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:06,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:06,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:06,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 604 transitions, 18225 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:06,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:06,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:06,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:07,726 INFO L129 PetriNetUnfolder]: 665/1506 cut-off events. [2021-03-26 05:17:07,726 INFO L130 PetriNetUnfolder]: For 55846/55856 co-relation queries the response was YES. [2021-03-26 05:17:07,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16823 conditions, 1506 events. 665/1506 cut-off events. For 55846/55856 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10463 event pairs, 4 based on Foata normal form. 11/1312 useless extension candidates. Maximal degree in co-relation 16593. Up to 656 conditions per place. [2021-03-26 05:17:07,753 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 319 selfloop transitions, 242 changer transitions 55/634 dead transitions. [2021-03-26 05:17:07,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 634 transitions, 20615 flow [2021-03-26 05:17:07,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:17:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:17:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 869 transitions. [2021-03-26 05:17:07,755 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49827981651376146 [2021-03-26 05:17:07,755 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 869 transitions. [2021-03-26 05:17:07,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 869 transitions. [2021-03-26 05:17:07,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:07,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 869 transitions. [2021-03-26 05:17:07,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.3125) internal successors, (869), 16 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:07,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:07,757 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:07,757 INFO L185 Difference]: Start difference. First operand has 409 places, 604 transitions, 18225 flow. Second operand 16 states and 869 transitions. [2021-03-26 05:17:07,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 634 transitions, 20615 flow [2021-03-26 05:17:08,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 634 transitions, 20217 flow, removed 163 selfloop flow, removed 5 redundant places. [2021-03-26 05:17:08,126 INFO L241 Difference]: Finished difference. Result has 427 places, 567 transitions, 17379 flow [2021-03-26 05:17:08,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=17833, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=237, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=17379, PETRI_PLACES=427, PETRI_TRANSITIONS=567} [2021-03-26 05:17:08,126 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 374 predicate places. [2021-03-26 05:17:08,127 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:08,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 427 places, 567 transitions, 17379 flow [2021-03-26 05:17:08,127 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 427 places, 567 transitions, 17379 flow [2021-03-26 05:17:08,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 567 transitions, 17379 flow [2021-03-26 05:17:08,333 INFO L129 PetriNetUnfolder]: 533/1231 cut-off events. [2021-03-26 05:17:08,334 INFO L130 PetriNetUnfolder]: For 51383/51412 co-relation queries the response was YES. [2021-03-26 05:17:08,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14292 conditions, 1231 events. 533/1231 cut-off events. For 51383/51412 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8309 event pairs, 3 based on Foata normal form. 9/1073 useless extension candidates. Maximal degree in co-relation 14115. Up to 364 conditions per place. [2021-03-26 05:17:08,362 INFO L142 LiptonReduction]: Number of co-enabled transitions 2460 [2021-03-26 05:17:08,395 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:08,395 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:08,395 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-03-26 05:17:08,396 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 567 transitions, 17379 flow [2021-03-26 05:17:08,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:08,396 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:08,396 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:08,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 05:17:08,396 INFO L428 AbstractCegarLoop]: === Iteration 84 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:08,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:08,396 INFO L82 PathProgramCache]: Analyzing trace with hash 13273978, now seen corresponding path program 19 times [2021-03-26 05:17:08,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:08,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997682892] [2021-03-26 05:17:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:08,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:08,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:08,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:08,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:08,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:08,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:08,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:08,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:08,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:08,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:08,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:08,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:08,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:08,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:08,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:08,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:08,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:08,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:08,488 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:08,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:08,501 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:08,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:08,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:08,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997682892] [2021-03-26 05:17:08,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:08,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:08,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328381572] [2021-03-26 05:17:08,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:08,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:08,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:08,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:08,505 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:08,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 567 transitions, 17379 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:08,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:08,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:08,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:09,157 INFO L129 PetriNetUnfolder]: 631/1413 cut-off events. [2021-03-26 05:17:09,157 INFO L130 PetriNetUnfolder]: For 58310/58316 co-relation queries the response was YES. [2021-03-26 05:17:09,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16367 conditions, 1413 events. 631/1413 cut-off events. For 58310/58316 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9591 event pairs, 6 based on Foata normal form. 7/1229 useless extension candidates. Maximal degree in co-relation 16128. Up to 792 conditions per place. [2021-03-26 05:17:09,179 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 485 selfloop transitions, 95 changer transitions 0/598 dead transitions. [2021-03-26 05:17:09,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 598 transitions, 19305 flow [2021-03-26 05:17:09,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:17:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:17:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 803 transitions. [2021-03-26 05:17:09,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.491131498470948 [2021-03-26 05:17:09,180 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 803 transitions. [2021-03-26 05:17:09,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 803 transitions. [2021-03-26 05:17:09,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:09,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 803 transitions. [2021-03-26 05:17:09,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.53333333333333) internal successors, (803), 15 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:09,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:09,182 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:09,182 INFO L185 Difference]: Start difference. First operand has 424 places, 567 transitions, 17379 flow. Second operand 15 states and 803 transitions. [2021-03-26 05:17:09,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 598 transitions, 19305 flow [2021-03-26 05:17:09,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 598 transitions, 17766 flow, removed 228 selfloop flow, removed 31 redundant places. [2021-03-26 05:17:09,526 INFO L241 Difference]: Finished difference. Result has 412 places, 587 transitions, 16775 flow [2021-03-26 05:17:09,527 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=15924, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16775, PETRI_PLACES=412, PETRI_TRANSITIONS=587} [2021-03-26 05:17:09,527 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 359 predicate places. [2021-03-26 05:17:09,527 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:09,527 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 412 places, 587 transitions, 16775 flow [2021-03-26 05:17:09,527 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 412 places, 587 transitions, 16775 flow [2021-03-26 05:17:09,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 587 transitions, 16775 flow [2021-03-26 05:17:09,710 INFO L129 PetriNetUnfolder]: 567/1306 cut-off events. [2021-03-26 05:17:09,710 INFO L130 PetriNetUnfolder]: For 48503/48511 co-relation queries the response was YES. [2021-03-26 05:17:09,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13792 conditions, 1306 events. 567/1306 cut-off events. For 48503/48511 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8943 event pairs, 10 based on Foata normal form. 4/1129 useless extension candidates. Maximal degree in co-relation 13570. Up to 384 conditions per place. [2021-03-26 05:17:09,738 INFO L142 LiptonReduction]: Number of co-enabled transitions 2548 [2021-03-26 05:17:09,772 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:09,772 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:09,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 245 [2021-03-26 05:17:09,772 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 587 transitions, 16775 flow [2021-03-26 05:17:09,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:09,772 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:09,773 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:09,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 05:17:09,773 INFO L428 AbstractCegarLoop]: === Iteration 85 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:09,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:09,773 INFO L82 PathProgramCache]: Analyzing trace with hash 359029016, now seen corresponding path program 20 times [2021-03-26 05:17:09,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:09,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621180694] [2021-03-26 05:17:09,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:09,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:09,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:09,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:09,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:09,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:09,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:09,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:09,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:09,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:09,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:09,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:09,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:09,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:09,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:09,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:09,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:09,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:09,880 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:09,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:09,889 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:09,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:09,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621180694] [2021-03-26 05:17:09,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:09,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:09,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280854499] [2021-03-26 05:17:09,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:09,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:09,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:09,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:09,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:09,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 587 transitions, 16775 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:09,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:09,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:09,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:10,526 INFO L129 PetriNetUnfolder]: 631/1435 cut-off events. [2021-03-26 05:17:10,526 INFO L130 PetriNetUnfolder]: For 49017/49021 co-relation queries the response was YES. [2021-03-26 05:17:10,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15699 conditions, 1435 events. 631/1435 cut-off events. For 49017/49021 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9853 event pairs, 10 based on Foata normal form. 6/1252 useless extension candidates. Maximal degree in co-relation 15470. Up to 817 conditions per place. [2021-03-26 05:17:10,548 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 514 selfloop transitions, 78 changer transitions 0/610 dead transitions. [2021-03-26 05:17:10,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 610 transitions, 18649 flow [2021-03-26 05:17:10,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:17:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:17:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 746 transitions. [2021-03-26 05:17:10,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4888597640891219 [2021-03-26 05:17:10,549 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 746 transitions. [2021-03-26 05:17:10,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 746 transitions. [2021-03-26 05:17:10,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:10,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 746 transitions. [2021-03-26 05:17:10,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.285714285714285) internal successors, (746), 14 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:10,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:10,551 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:10,551 INFO L185 Difference]: Start difference. First operand has 412 places, 587 transitions, 16775 flow. Second operand 14 states and 746 transitions. [2021-03-26 05:17:10,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 610 transitions, 18649 flow [2021-03-26 05:17:10,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 610 transitions, 18396 flow, removed 100 selfloop flow, removed 7 redundant places. [2021-03-26 05:17:10,890 INFO L241 Difference]: Finished difference. Result has 422 places, 599 transitions, 17273 flow [2021-03-26 05:17:10,891 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=16522, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17273, PETRI_PLACES=422, PETRI_TRANSITIONS=599} [2021-03-26 05:17:10,891 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 369 predicate places. [2021-03-26 05:17:10,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:10,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 422 places, 599 transitions, 17273 flow [2021-03-26 05:17:10,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 422 places, 599 transitions, 17273 flow [2021-03-26 05:17:10,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 422 places, 599 transitions, 17273 flow [2021-03-26 05:17:11,094 INFO L129 PetriNetUnfolder]: 579/1379 cut-off events. [2021-03-26 05:17:11,094 INFO L130 PetriNetUnfolder]: For 50827/50843 co-relation queries the response was YES. [2021-03-26 05:17:11,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14393 conditions, 1379 events. 579/1379 cut-off events. For 50827/50843 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9711 event pairs, 12 based on Foata normal form. 8/1193 useless extension candidates. Maximal degree in co-relation 14108. Up to 394 conditions per place. [2021-03-26 05:17:11,127 INFO L142 LiptonReduction]: Number of co-enabled transitions 2662 [2021-03-26 05:17:11,163 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:11,163 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:11,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 272 [2021-03-26 05:17:11,164 INFO L480 AbstractCegarLoop]: Abstraction has has 422 places, 599 transitions, 17273 flow [2021-03-26 05:17:11,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:11,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:11,164 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:11,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 05:17:11,164 INFO L428 AbstractCegarLoop]: === Iteration 86 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:11,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:11,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1718352654, now seen corresponding path program 21 times [2021-03-26 05:17:11,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:11,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872565714] [2021-03-26 05:17:11,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:11,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:11,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:11,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:11,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:11,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:11,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:11,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:11,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:11,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:11,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:11,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:11,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:11,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:11,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:11,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:11,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:11,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:11,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:11,265 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:11,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:11,270 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:11,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:11,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872565714] [2021-03-26 05:17:11,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:11,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:11,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532397342] [2021-03-26 05:17:11,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:11,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:11,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:11,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:11,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:11,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 599 transitions, 17273 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:11,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:11,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:11,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:11,824 INFO L129 PetriNetUnfolder]: 640/1468 cut-off events. [2021-03-26 05:17:11,824 INFO L130 PetriNetUnfolder]: For 51765/51769 co-relation queries the response was YES. [2021-03-26 05:17:11,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15840 conditions, 1468 events. 640/1468 cut-off events. For 51765/51769 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10182 event pairs, 9 based on Foata normal form. 5/1274 useless extension candidates. Maximal degree in co-relation 15599. Up to 840 conditions per place. [2021-03-26 05:17:11,847 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 532 selfloop transitions, 58 changer transitions 0/608 dead transitions. [2021-03-26 05:17:11,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 608 transitions, 18618 flow [2021-03-26 05:17:11,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:17:11,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:17:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 592 transitions. [2021-03-26 05:17:11,848 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.493744787322769 [2021-03-26 05:17:11,848 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 592 transitions. [2021-03-26 05:17:11,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 592 transitions. [2021-03-26 05:17:11,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:11,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 592 transitions. [2021-03-26 05:17:11,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.81818181818182) internal successors, (592), 11 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:11,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:11,849 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:11,849 INFO L185 Difference]: Start difference. First operand has 422 places, 599 transitions, 17273 flow. Second operand 11 states and 592 transitions. [2021-03-26 05:17:11,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 608 transitions, 18618 flow [2021-03-26 05:17:12,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 608 transitions, 18200 flow, removed 172 selfloop flow, removed 8 redundant places. [2021-03-26 05:17:12,175 INFO L241 Difference]: Finished difference. Result has 428 places, 602 transitions, 17166 flow [2021-03-26 05:17:12,176 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=16855, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17166, PETRI_PLACES=428, PETRI_TRANSITIONS=602} [2021-03-26 05:17:12,176 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 375 predicate places. [2021-03-26 05:17:12,176 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:12,176 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 602 transitions, 17166 flow [2021-03-26 05:17:12,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 602 transitions, 17166 flow [2021-03-26 05:17:12,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 602 transitions, 17166 flow [2021-03-26 05:17:12,393 INFO L129 PetriNetUnfolder]: 567/1341 cut-off events. [2021-03-26 05:17:12,393 INFO L130 PetriNetUnfolder]: For 49234/49254 co-relation queries the response was YES. [2021-03-26 05:17:12,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13885 conditions, 1341 events. 567/1341 cut-off events. For 49234/49254 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9509 event pairs, 2 based on Foata normal form. 9/1159 useless extension candidates. Maximal degree in co-relation 13648. Up to 381 conditions per place. [2021-03-26 05:17:12,421 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-26 05:17:12,454 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:12,454 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:12,454 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 278 [2021-03-26 05:17:12,454 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 602 transitions, 17166 flow [2021-03-26 05:17:12,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:12,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:12,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:12,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 05:17:12,455 INFO L428 AbstractCegarLoop]: === Iteration 87 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:12,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:12,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1593449230, now seen corresponding path program 22 times [2021-03-26 05:17:12,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:12,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078667278] [2021-03-26 05:17:12,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:12,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:12,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:12,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:12,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:12,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:12,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:12,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:12,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:12,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:12,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:12,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:12,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:12,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:12,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:12,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:12,557 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:12,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:12,560 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:12,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:12,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078667278] [2021-03-26 05:17:12,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:12,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:12,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167138443] [2021-03-26 05:17:12,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:12,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:12,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:12,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:12,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:12,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 602 transitions, 17166 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:12,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:12,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:12,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:13,215 INFO L129 PetriNetUnfolder]: 644/1489 cut-off events. [2021-03-26 05:17:13,215 INFO L130 PetriNetUnfolder]: For 52677/52681 co-relation queries the response was YES. [2021-03-26 05:17:13,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16013 conditions, 1489 events. 644/1489 cut-off events. For 52677/52681 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10426 event pairs, 11 based on Foata normal form. 5/1291 useless extension candidates. Maximal degree in co-relation 15769. Up to 777 conditions per place. [2021-03-26 05:17:13,238 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 448 selfloop transitions, 149 changer transitions 9/624 dead transitions. [2021-03-26 05:17:13,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 624 transitions, 19077 flow [2021-03-26 05:17:13,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:17:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:17:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 757 transitions. [2021-03-26 05:17:13,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49606815203145477 [2021-03-26 05:17:13,239 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 757 transitions. [2021-03-26 05:17:13,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 757 transitions. [2021-03-26 05:17:13,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:13,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 757 transitions. [2021-03-26 05:17:13,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.07142857142857) internal successors, (757), 14 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:13,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:13,241 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:13,241 INFO L185 Difference]: Start difference. First operand has 428 places, 602 transitions, 17166 flow. Second operand 14 states and 757 transitions. [2021-03-26 05:17:13,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 624 transitions, 19077 flow [2021-03-26 05:17:13,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 624 transitions, 18979 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 05:17:13,580 INFO L241 Difference]: Finished difference. Result has 438 places, 604 transitions, 17821 flow [2021-03-26 05:17:13,580 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=17068, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17821, PETRI_PLACES=438, PETRI_TRANSITIONS=604} [2021-03-26 05:17:13,580 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 385 predicate places. [2021-03-26 05:17:13,580 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:13,580 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 438 places, 604 transitions, 17821 flow [2021-03-26 05:17:13,581 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 438 places, 604 transitions, 17821 flow [2021-03-26 05:17:13,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 604 transitions, 17821 flow [2021-03-26 05:17:13,786 INFO L129 PetriNetUnfolder]: 566/1370 cut-off events. [2021-03-26 05:17:13,786 INFO L130 PetriNetUnfolder]: For 52013/52048 co-relation queries the response was YES. [2021-03-26 05:17:13,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14416 conditions, 1370 events. 566/1370 cut-off events. For 52013/52048 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9826 event pairs, 12 based on Foata normal form. 7/1179 useless extension candidates. Maximal degree in co-relation 14166. Up to 379 conditions per place. [2021-03-26 05:17:13,817 INFO L142 LiptonReduction]: Number of co-enabled transitions 2654 [2021-03-26 05:17:13,854 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:13,854 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:13,854 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 274 [2021-03-26 05:17:13,854 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 604 transitions, 17821 flow [2021-03-26 05:17:13,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:13,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:13,855 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:13,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 05:17:13,855 INFO L428 AbstractCegarLoop]: === Iteration 88 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:13,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:13,855 INFO L82 PathProgramCache]: Analyzing trace with hash 763653732, now seen corresponding path program 23 times [2021-03-26 05:17:13,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:13,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492176815] [2021-03-26 05:17:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:13,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:13,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:13,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:13,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:13,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:13,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:13,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:13,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:13,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:13,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:13,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:13,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:13,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:13,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:13,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:13,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:13,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:13,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:13,945 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:13,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:13,962 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:13,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:13,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492176815] [2021-03-26 05:17:13,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:13,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:13,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83493080] [2021-03-26 05:17:13,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:13,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:13,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:13,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:13,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:13,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 604 transitions, 17821 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:13,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:13,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:13,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:14,725 INFO L129 PetriNetUnfolder]: 639/1488 cut-off events. [2021-03-26 05:17:14,725 INFO L130 PetriNetUnfolder]: For 53814/53826 co-relation queries the response was YES. [2021-03-26 05:17:14,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16236 conditions, 1488 events. 639/1488 cut-off events. For 53814/53826 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10477 event pairs, 3 based on Foata normal form. 13/1297 useless extension candidates. Maximal degree in co-relation 15979. Up to 814 conditions per place. [2021-03-26 05:17:14,745 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 502 selfloop transitions, 84 changer transitions 14/618 dead transitions. [2021-03-26 05:17:14,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 618 transitions, 19310 flow [2021-03-26 05:17:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:17:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:17:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 807 transitions. [2021-03-26 05:17:14,746 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4935779816513762 [2021-03-26 05:17:14,746 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 807 transitions. [2021-03-26 05:17:14,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 807 transitions. [2021-03-26 05:17:14,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:14,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 807 transitions. [2021-03-26 05:17:14,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.8) internal successors, (807), 15 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:14,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:14,748 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:14,748 INFO L185 Difference]: Start difference. First operand has 438 places, 604 transitions, 17821 flow. Second operand 15 states and 807 transitions. [2021-03-26 05:17:14,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 618 transitions, 19310 flow [2021-03-26 05:17:15,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 618 transitions, 18923 flow, removed 115 selfloop flow, removed 12 redundant places. [2021-03-26 05:17:15,117 INFO L241 Difference]: Finished difference. Result has 444 places, 594 transitions, 17149 flow [2021-03-26 05:17:15,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=17434, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17149, PETRI_PLACES=444, PETRI_TRANSITIONS=594} [2021-03-26 05:17:15,118 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 391 predicate places. [2021-03-26 05:17:15,118 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:15,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 444 places, 594 transitions, 17149 flow [2021-03-26 05:17:15,118 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 444 places, 594 transitions, 17149 flow [2021-03-26 05:17:15,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 442 places, 594 transitions, 17149 flow [2021-03-26 05:17:15,391 INFO L129 PetriNetUnfolder]: 559/1357 cut-off events. [2021-03-26 05:17:15,391 INFO L130 PetriNetUnfolder]: For 51632/51667 co-relation queries the response was YES. [2021-03-26 05:17:15,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14139 conditions, 1357 events. 559/1357 cut-off events. For 51632/51667 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9707 event pairs, 11 based on Foata normal form. 7/1167 useless extension candidates. Maximal degree in co-relation 13889. Up to 375 conditions per place. [2021-03-26 05:17:15,422 INFO L142 LiptonReduction]: Number of co-enabled transitions 2620 [2021-03-26 05:17:15,458 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:15,458 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:15,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 340 [2021-03-26 05:17:15,458 INFO L480 AbstractCegarLoop]: Abstraction has has 442 places, 594 transitions, 17149 flow [2021-03-26 05:17:15,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:15,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:15,458 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:15,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 05:17:15,459 INFO L428 AbstractCegarLoop]: === Iteration 89 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:15,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:15,459 INFO L82 PathProgramCache]: Analyzing trace with hash -339267868, now seen corresponding path program 24 times [2021-03-26 05:17:15,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:15,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828542195] [2021-03-26 05:17:15,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:15,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:15,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:15,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:15,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:15,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:15,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:15,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:15,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:15,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:15,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:15,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:15,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:15,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:15,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:15,548 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:15,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:15,564 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:15,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:15,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828542195] [2021-03-26 05:17:15,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:15,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:15,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751434255] [2021-03-26 05:17:15,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:15,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:15,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:15,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:15,567 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:15,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 594 transitions, 17149 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:15,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:15,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:15,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:16,292 INFO L129 PetriNetUnfolder]: 629/1476 cut-off events. [2021-03-26 05:17:16,293 INFO L130 PetriNetUnfolder]: For 54097/54103 co-relation queries the response was YES. [2021-03-26 05:17:16,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16023 conditions, 1476 events. 629/1476 cut-off events. For 54097/54103 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10457 event pairs, 4 based on Foata normal form. 7/1281 useless extension candidates. Maximal degree in co-relation 15766. Up to 729 conditions per place. [2021-03-26 05:17:16,321 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 411 selfloop transitions, 178 changer transitions 6/613 dead transitions. [2021-03-26 05:17:16,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 613 transitions, 18816 flow [2021-03-26 05:17:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:17:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:17:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 861 transitions. [2021-03-26 05:17:16,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49369266055045874 [2021-03-26 05:17:16,322 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 861 transitions. [2021-03-26 05:17:16,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 861 transitions. [2021-03-26 05:17:16,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:16,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 861 transitions. [2021-03-26 05:17:16,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.8125) internal successors, (861), 16 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:16,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:16,324 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:16,324 INFO L185 Difference]: Start difference. First operand has 442 places, 594 transitions, 17149 flow. Second operand 16 states and 861 transitions. [2021-03-26 05:17:16,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 613 transitions, 18816 flow [2021-03-26 05:17:16,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 613 transitions, 18482 flow, removed 31 selfloop flow, removed 23 redundant places. [2021-03-26 05:17:16,742 INFO L241 Difference]: Finished difference. Result has 438 places, 594 transitions, 17342 flow [2021-03-26 05:17:16,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=16827, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=17342, PETRI_PLACES=438, PETRI_TRANSITIONS=594} [2021-03-26 05:17:16,743 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 385 predicate places. [2021-03-26 05:17:16,743 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:16,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 438 places, 594 transitions, 17342 flow [2021-03-26 05:17:16,743 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 438 places, 594 transitions, 17342 flow [2021-03-26 05:17:16,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 594 transitions, 17342 flow [2021-03-26 05:17:16,945 INFO L129 PetriNetUnfolder]: 553/1338 cut-off events. [2021-03-26 05:17:16,945 INFO L130 PetriNetUnfolder]: For 54921/54936 co-relation queries the response was YES. [2021-03-26 05:17:16,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14114 conditions, 1338 events. 553/1338 cut-off events. For 54921/54936 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9645 event pairs, 10 based on Foata normal form. 9/1153 useless extension candidates. Maximal degree in co-relation 13856. Up to 373 conditions per place. [2021-03-26 05:17:16,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 2640 [2021-03-26 05:17:17,014 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:17,014 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:17,014 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-03-26 05:17:17,014 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 594 transitions, 17342 flow [2021-03-26 05:17:17,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:17,014 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:17,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:17,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 05:17:17,015 INFO L428 AbstractCegarLoop]: === Iteration 90 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:17,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:17,015 INFO L82 PathProgramCache]: Analyzing trace with hash -229780316, now seen corresponding path program 25 times [2021-03-26 05:17:17,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:17,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27195639] [2021-03-26 05:17:17,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:17,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:17,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:17,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:17,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:17,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:17,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:17,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:17,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:17,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:17,087 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:17,100 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:17,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:17,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27195639] [2021-03-26 05:17:17,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:17,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:17,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274452039] [2021-03-26 05:17:17,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:17,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:17,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:17,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:17,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:17,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 594 transitions, 17342 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:17,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:17,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:17,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:17,734 INFO L129 PetriNetUnfolder]: 635/1501 cut-off events. [2021-03-26 05:17:17,734 INFO L130 PetriNetUnfolder]: For 57062/57066 co-relation queries the response was YES. [2021-03-26 05:17:17,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16288 conditions, 1501 events. 635/1501 cut-off events. For 57062/57066 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10711 event pairs, 1 based on Foata normal form. 5/1298 useless extension candidates. Maximal degree in co-relation 16023. Up to 704 conditions per place. [2021-03-26 05:17:17,759 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 373 selfloop transitions, 227 changer transitions 0/618 dead transitions. [2021-03-26 05:17:17,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 618 transitions, 19269 flow [2021-03-26 05:17:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:17:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:17:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 728 transitions. [2021-03-26 05:17:17,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5137614678899083 [2021-03-26 05:17:17,760 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 728 transitions. [2021-03-26 05:17:17,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 728 transitions. [2021-03-26 05:17:17,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:17,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 728 transitions. [2021-03-26 05:17:17,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 56.0) internal successors, (728), 13 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:17,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:17,762 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:17,762 INFO L185 Difference]: Start difference. First operand has 438 places, 594 transitions, 17342 flow. Second operand 13 states and 728 transitions. [2021-03-26 05:17:17,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 618 transitions, 19269 flow [2021-03-26 05:17:18,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 618 transitions, 18987 flow, removed 21 selfloop flow, removed 13 redundant places. [2021-03-26 05:17:18,151 INFO L241 Difference]: Finished difference. Result has 441 places, 605 transitions, 18346 flow [2021-03-26 05:17:18,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=17064, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18346, PETRI_PLACES=441, PETRI_TRANSITIONS=605} [2021-03-26 05:17:18,151 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 388 predicate places. [2021-03-26 05:17:18,152 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:18,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 605 transitions, 18346 flow [2021-03-26 05:17:18,152 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 605 transitions, 18346 flow [2021-03-26 05:17:18,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 441 places, 605 transitions, 18346 flow [2021-03-26 05:17:18,376 INFO L129 PetriNetUnfolder]: 586/1440 cut-off events. [2021-03-26 05:17:18,376 INFO L130 PetriNetUnfolder]: For 57250/57262 co-relation queries the response was YES. [2021-03-26 05:17:18,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15183 conditions, 1440 events. 586/1440 cut-off events. For 57250/57262 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10476 event pairs, 3 based on Foata normal form. 9/1233 useless extension candidates. Maximal degree in co-relation 14887. Up to 388 conditions per place. [2021-03-26 05:17:18,410 INFO L142 LiptonReduction]: Number of co-enabled transitions 2730 [2021-03-26 05:17:18,447 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:18,447 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:18,447 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 295 [2021-03-26 05:17:18,448 INFO L480 AbstractCegarLoop]: Abstraction has has 441 places, 605 transitions, 18346 flow [2021-03-26 05:17:18,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:18,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:18,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:18,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 05:17:18,448 INFO L428 AbstractCegarLoop]: === Iteration 91 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:18,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:18,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1176350738, now seen corresponding path program 26 times [2021-03-26 05:17:18,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:18,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811247783] [2021-03-26 05:17:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:18,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:18,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:18,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:18,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:18,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:18,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:18,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:18,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:18,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:18,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:18,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:18,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:18,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:18,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:18,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:18,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:18,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:18,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:18,548 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:18,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:18,563 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:18,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:18,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811247783] [2021-03-26 05:17:18,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:18,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:18,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768070508] [2021-03-26 05:17:18,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:18,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:18,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:18,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:18,567 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:18,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 605 transitions, 18346 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:18,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:18,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:18,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:19,370 INFO L129 PetriNetUnfolder]: 658/1560 cut-off events. [2021-03-26 05:17:19,370 INFO L130 PetriNetUnfolder]: For 60689/60693 co-relation queries the response was YES. [2021-03-26 05:17:19,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17291 conditions, 1560 events. 658/1560 cut-off events. For 60689/60693 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11261 event pairs, 2 based on Foata normal form. 5/1343 useless extension candidates. Maximal degree in co-relation 17028. Up to 647 conditions per place. [2021-03-26 05:17:19,396 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 304 selfloop transitions, 265 changer transitions 61/648 dead transitions. [2021-03-26 05:17:19,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 648 transitions, 21156 flow [2021-03-26 05:17:19,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:17:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:17:19,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 938 transitions. [2021-03-26 05:17:19,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5062061521856449 [2021-03-26 05:17:19,398 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 938 transitions. [2021-03-26 05:17:19,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 938 transitions. [2021-03-26 05:17:19,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:19,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 938 transitions. [2021-03-26 05:17:19,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 55.1764705882353) internal successors, (938), 17 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:19,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 109.0) internal successors, (1962), 18 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:19,400 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 109.0) internal successors, (1962), 18 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:19,400 INFO L185 Difference]: Start difference. First operand has 441 places, 605 transitions, 18346 flow. Second operand 17 states and 938 transitions. [2021-03-26 05:17:19,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 648 transitions, 21156 flow [2021-03-26 05:17:19,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 648 transitions, 20818 flow, removed 89 selfloop flow, removed 4 redundant places. [2021-03-26 05:17:19,862 INFO L241 Difference]: Finished difference. Result has 462 places, 573 transitions, 17800 flow [2021-03-26 05:17:19,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=18027, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=249, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=17800, PETRI_PLACES=462, PETRI_TRANSITIONS=573} [2021-03-26 05:17:19,862 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 409 predicate places. [2021-03-26 05:17:19,862 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:19,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 573 transitions, 17800 flow [2021-03-26 05:17:19,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 573 transitions, 17800 flow [2021-03-26 05:17:19,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 573 transitions, 17800 flow [2021-03-26 05:17:20,067 INFO L129 PetriNetUnfolder]: 520/1267 cut-off events. [2021-03-26 05:17:20,067 INFO L130 PetriNetUnfolder]: For 54360/54390 co-relation queries the response was YES. [2021-03-26 05:17:20,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14546 conditions, 1267 events. 520/1267 cut-off events. For 54360/54390 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8936 event pairs, 7 based on Foata normal form. 8/1099 useless extension candidates. Maximal degree in co-relation 14280. Up to 345 conditions per place. [2021-03-26 05:17:20,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 2406 [2021-03-26 05:17:20,132 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:20,133 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:20,133 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-03-26 05:17:20,133 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 573 transitions, 17800 flow [2021-03-26 05:17:20,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:20,133 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:20,133 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:20,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 05:17:20,133 INFO L428 AbstractCegarLoop]: === Iteration 92 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:20,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:20,134 INFO L82 PathProgramCache]: Analyzing trace with hash -151990274, now seen corresponding path program 27 times [2021-03-26 05:17:20,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:20,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993643552] [2021-03-26 05:17:20,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:20,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:20,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:20,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:20,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:20,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:20,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:20,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:20,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:20,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:20,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:20,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:20,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:20,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:20,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:20,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:20,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:20,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:20,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:20,215 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:20,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:20,228 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:20,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:20,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993643552] [2021-03-26 05:17:20,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:20,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:20,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902439130] [2021-03-26 05:17:20,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:20,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:20,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:20,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:20,232 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2021-03-26 05:17:20,232 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 573 transitions, 17800 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:20,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:20,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2021-03-26 05:17:20,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:20,892 INFO L129 PetriNetUnfolder]: 602/1415 cut-off events. [2021-03-26 05:17:20,892 INFO L130 PetriNetUnfolder]: For 65154/65166 co-relation queries the response was YES. [2021-03-26 05:17:20,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16556 conditions, 1415 events. 602/1415 cut-off events. For 65154/65166 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9945 event pairs, 1 based on Foata normal form. 14/1237 useless extension candidates. Maximal degree in co-relation 16283. Up to 697 conditions per place. [2021-03-26 05:17:20,915 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 369 selfloop transitions, 154 changer transitions 47/588 dead transitions. [2021-03-26 05:17:20,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 588 transitions, 19493 flow [2021-03-26 05:17:20,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:17:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:17:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 605 transitions. [2021-03-26 05:17:20,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5045871559633027 [2021-03-26 05:17:20,916 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 605 transitions. [2021-03-26 05:17:20,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 605 transitions. [2021-03-26 05:17:20,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:20,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 605 transitions. [2021-03-26 05:17:20,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.0) internal successors, (605), 11 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:20,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:20,918 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:20,918 INFO L185 Difference]: Start difference. First operand has 459 places, 573 transitions, 17800 flow. Second operand 11 states and 605 transitions. [2021-03-26 05:17:20,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 588 transitions, 19493 flow [2021-03-26 05:17:21,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 588 transitions, 17808 flow, removed 363 selfloop flow, removed 38 redundant places. [2021-03-26 05:17:21,345 INFO L241 Difference]: Finished difference. Result has 435 places, 533 transitions, 15649 flow [2021-03-26 05:17:21,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=16147, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15649, PETRI_PLACES=435, PETRI_TRANSITIONS=533} [2021-03-26 05:17:21,346 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 382 predicate places. [2021-03-26 05:17:21,346 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:21,346 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 533 transitions, 15649 flow [2021-03-26 05:17:21,346 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 533 transitions, 15649 flow [2021-03-26 05:17:21,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 432 places, 533 transitions, 15649 flow [2021-03-26 05:17:21,527 INFO L129 PetriNetUnfolder]: 499/1212 cut-off events. [2021-03-26 05:17:21,527 INFO L130 PetriNetUnfolder]: For 49661/49689 co-relation queries the response was YES. [2021-03-26 05:17:21,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13510 conditions, 1212 events. 499/1212 cut-off events. For 49661/49689 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8357 event pairs, 2 based on Foata normal form. 6/1048 useless extension candidates. Maximal degree in co-relation 13254. Up to 327 conditions per place. [2021-03-26 05:17:21,557 INFO L142 LiptonReduction]: Number of co-enabled transitions 2084 [2021-03-26 05:17:21,673 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:17:21,673 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:17:21,673 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 327 [2021-03-26 05:17:21,673 INFO L480 AbstractCegarLoop]: Abstraction has has 432 places, 533 transitions, 15660 flow [2021-03-26 05:17:21,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:21,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:21,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:21,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 05:17:21,674 INFO L428 AbstractCegarLoop]: === Iteration 93 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:21,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:21,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1063587058, now seen corresponding path program 28 times [2021-03-26 05:17:21,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:21,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905599974] [2021-03-26 05:17:21,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:21,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:21,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:21,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:21,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:21,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:21,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:21,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:21,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:21,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:21,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:21,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:21,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:21,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:21,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:21,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:21,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:21,759 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:21,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:21,761 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:21,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:21,788 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:21,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:21,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905599974] [2021-03-26 05:17:21,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:21,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:21,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273818296] [2021-03-26 05:17:21,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:21,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:21,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:21,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:21,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:21,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 533 transitions, 15660 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:21,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:21,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:21,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:22,415 INFO L129 PetriNetUnfolder]: 563/1319 cut-off events. [2021-03-26 05:17:22,415 INFO L130 PetriNetUnfolder]: For 54760/54764 co-relation queries the response was YES. [2021-03-26 05:17:22,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14989 conditions, 1319 events. 563/1319 cut-off events. For 54760/54764 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9078 event pairs, 2 based on Foata normal form. 7/1150 useless extension candidates. Maximal degree in co-relation 14705. Up to 725 conditions per place. [2021-03-26 05:17:22,435 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 426 selfloop transitions, 100 changer transitions 4/548 dead transitions. [2021-03-26 05:17:22,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 548 transitions, 16892 flow [2021-03-26 05:17:22,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:17:22,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:17:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 757 transitions. [2021-03-26 05:17:22,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4871299871299871 [2021-03-26 05:17:22,436 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 757 transitions. [2021-03-26 05:17:22,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 757 transitions. [2021-03-26 05:17:22,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:22,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 757 transitions. [2021-03-26 05:17:22,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.07142857142857) internal successors, (757), 14 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:22,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:22,438 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:22,438 INFO L185 Difference]: Start difference. First operand has 432 places, 533 transitions, 15660 flow. Second operand 14 states and 757 transitions. [2021-03-26 05:17:22,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 548 transitions, 16892 flow [2021-03-26 05:17:22,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 548 transitions, 16259 flow, removed 51 selfloop flow, removed 23 redundant places. [2021-03-26 05:17:22,779 INFO L241 Difference]: Finished difference. Result has 426 places, 532 transitions, 15290 flow [2021-03-26 05:17:22,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=15031, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=15290, PETRI_PLACES=426, PETRI_TRANSITIONS=532} [2021-03-26 05:17:22,780 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 373 predicate places. [2021-03-26 05:17:22,780 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:22,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 532 transitions, 15290 flow [2021-03-26 05:17:22,780 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 532 transitions, 15290 flow [2021-03-26 05:17:22,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 426 places, 532 transitions, 15290 flow [2021-03-26 05:17:22,959 INFO L129 PetriNetUnfolder]: 499/1228 cut-off events. [2021-03-26 05:17:22,960 INFO L130 PetriNetUnfolder]: For 51546/51550 co-relation queries the response was YES. [2021-03-26 05:17:22,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13322 conditions, 1228 events. 499/1228 cut-off events. For 51546/51550 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8633 event pairs, 4 based on Foata normal form. 3/1059 useless extension candidates. Maximal degree in co-relation 13043. Up to 326 conditions per place. [2021-03-26 05:17:22,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 2112 [2021-03-26 05:17:23,016 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:23,016 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:23,016 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 236 [2021-03-26 05:17:23,017 INFO L480 AbstractCegarLoop]: Abstraction has has 426 places, 532 transitions, 15290 flow [2021-03-26 05:17:23,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:23,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:23,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:23,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 05:17:23,017 INFO L428 AbstractCegarLoop]: === Iteration 94 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:23,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:23,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1683590781, now seen corresponding path program 1 times [2021-03-26 05:17:23,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:23,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676624734] [2021-03-26 05:17:23,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:23,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:23,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:23,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:23,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:23,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:23,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:23,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:23,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:23,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:23,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:23,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:23,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:23,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:23,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:23,098 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:23,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:23,111 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:23,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:23,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:23,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676624734] [2021-03-26 05:17:23,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:23,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:23,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118796230] [2021-03-26 05:17:23,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:23,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:23,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:23,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:23,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:23,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 532 transitions, 15290 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:23,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:23,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:23,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:23,608 INFO L129 PetriNetUnfolder]: 562/1324 cut-off events. [2021-03-26 05:17:23,608 INFO L130 PetriNetUnfolder]: For 54406/54416 co-relation queries the response was YES. [2021-03-26 05:17:23,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14880 conditions, 1324 events. 562/1324 cut-off events. For 54406/54416 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9154 event pairs, 10 based on Foata normal form. 11/1160 useless extension candidates. Maximal degree in co-relation 14588. Up to 771 conditions per place. [2021-03-26 05:17:23,628 INFO L132 encePairwiseOnDemand]: 95/111 looper letters, 488 selfloop transitions, 36 changer transitions 0/542 dead transitions. [2021-03-26 05:17:23,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 542 transitions, 16548 flow [2021-03-26 05:17:23,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:17:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:17:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 630 transitions. [2021-03-26 05:17:23,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47297297297297297 [2021-03-26 05:17:23,629 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 630 transitions. [2021-03-26 05:17:23,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 630 transitions. [2021-03-26 05:17:23,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:23,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 630 transitions. [2021-03-26 05:17:23,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.5) internal successors, (630), 12 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:23,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:23,630 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:23,630 INFO L185 Difference]: Start difference. First operand has 426 places, 532 transitions, 15290 flow. Second operand 12 states and 630 transitions. [2021-03-26 05:17:23,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 542 transitions, 16548 flow [2021-03-26 05:17:23,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 542 transitions, 16339 flow, removed 20 selfloop flow, removed 12 redundant places. [2021-03-26 05:17:23,982 INFO L241 Difference]: Finished difference. Result has 428 places, 534 transitions, 15263 flow [2021-03-26 05:17:23,983 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=15083, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15263, PETRI_PLACES=428, PETRI_TRANSITIONS=534} [2021-03-26 05:17:23,983 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 375 predicate places. [2021-03-26 05:17:23,983 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:23,983 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 534 transitions, 15263 flow [2021-03-26 05:17:23,983 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 534 transitions, 15263 flow [2021-03-26 05:17:23,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 534 transitions, 15263 flow [2021-03-26 05:17:24,166 INFO L129 PetriNetUnfolder]: 500/1236 cut-off events. [2021-03-26 05:17:24,166 INFO L130 PetriNetUnfolder]: For 49790/49820 co-relation queries the response was YES. [2021-03-26 05:17:24,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13204 conditions, 1236 events. 500/1236 cut-off events. For 49790/49820 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8736 event pairs, 2 based on Foata normal form. 8/1064 useless extension candidates. Maximal degree in co-relation 12928. Up to 328 conditions per place. [2021-03-26 05:17:24,194 INFO L142 LiptonReduction]: Number of co-enabled transitions 2136 [2021-03-26 05:17:24,223 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:24,223 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:24,223 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 240 [2021-03-26 05:17:24,223 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 534 transitions, 15263 flow [2021-03-26 05:17:24,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:24,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:24,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:24,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 05:17:24,224 INFO L428 AbstractCegarLoop]: === Iteration 95 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:24,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:24,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1240691641, now seen corresponding path program 2 times [2021-03-26 05:17:24,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:24,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420976239] [2021-03-26 05:17:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:24,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:24,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:24,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:24,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:24,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:24,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:24,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:24,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:24,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:24,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:24,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:24,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:24,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:24,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:24,293 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:24,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:24,304 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:24,317 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:24,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:24,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420976239] [2021-03-26 05:17:24,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:24,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:24,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121070919] [2021-03-26 05:17:24,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:24,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:24,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:24,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:24,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:24,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 534 transitions, 15263 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:24,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:24,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:24,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:24,820 INFO L129 PetriNetUnfolder]: 569/1353 cut-off events. [2021-03-26 05:17:24,820 INFO L130 PetriNetUnfolder]: For 54431/54435 co-relation queries the response was YES. [2021-03-26 05:17:24,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14914 conditions, 1353 events. 569/1353 cut-off events. For 54431/54435 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9464 event pairs, 10 based on Foata normal form. 5/1174 useless extension candidates. Maximal degree in co-relation 14630. Up to 771 conditions per place. [2021-03-26 05:17:24,842 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 482 selfloop transitions, 41 changer transitions 2/543 dead transitions. [2021-03-26 05:17:24,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 543 transitions, 16457 flow [2021-03-26 05:17:24,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:17:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:17:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 635 transitions. [2021-03-26 05:17:24,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4767267267267267 [2021-03-26 05:17:24,843 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 635 transitions. [2021-03-26 05:17:24,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 635 transitions. [2021-03-26 05:17:24,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:24,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 635 transitions. [2021-03-26 05:17:24,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.916666666666664) internal successors, (635), 12 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:24,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:24,844 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:24,844 INFO L185 Difference]: Start difference. First operand has 428 places, 534 transitions, 15263 flow. Second operand 12 states and 635 transitions. [2021-03-26 05:17:24,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 543 transitions, 16457 flow [2021-03-26 05:17:25,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 543 transitions, 16321 flow, removed 44 selfloop flow, removed 6 redundant places. [2021-03-26 05:17:25,200 INFO L241 Difference]: Finished difference. Result has 435 places, 533 transitions, 15190 flow [2021-03-26 05:17:25,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=15127, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15190, PETRI_PLACES=435, PETRI_TRANSITIONS=533} [2021-03-26 05:17:25,200 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 382 predicate places. [2021-03-26 05:17:25,200 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:25,201 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 533 transitions, 15190 flow [2021-03-26 05:17:25,201 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 533 transitions, 15190 flow [2021-03-26 05:17:25,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 435 places, 533 transitions, 15190 flow [2021-03-26 05:17:25,380 INFO L129 PetriNetUnfolder]: 487/1198 cut-off events. [2021-03-26 05:17:25,380 INFO L130 PetriNetUnfolder]: For 51572/51587 co-relation queries the response was YES. [2021-03-26 05:17:25,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12997 conditions, 1198 events. 487/1198 cut-off events. For 51572/51587 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8467 event pairs, 2 based on Foata normal form. 8/1038 useless extension candidates. Maximal degree in co-relation 12719. Up to 325 conditions per place. [2021-03-26 05:17:25,407 INFO L142 LiptonReduction]: Number of co-enabled transitions 2136 [2021-03-26 05:17:25,436 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:25,436 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:25,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 236 [2021-03-26 05:17:25,437 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 533 transitions, 15190 flow [2021-03-26 05:17:25,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:25,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:25,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:25,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 05:17:25,437 INFO L428 AbstractCegarLoop]: === Iteration 96 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:25,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:25,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1092337717, now seen corresponding path program 3 times [2021-03-26 05:17:25,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:25,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756542249] [2021-03-26 05:17:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:25,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:25,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:25,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:25,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:25,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:25,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:25,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:25,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:25,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:25,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:25,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:25,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:25,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:25,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:25,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:25,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:25,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:25,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:25,532 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:25,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:25,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756542249] [2021-03-26 05:17:25,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:25,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:25,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186576813] [2021-03-26 05:17:25,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:25,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:25,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:25,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:25,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:25,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 533 transitions, 15190 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:25,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:25,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:25,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:26,047 INFO L129 PetriNetUnfolder]: 565/1336 cut-off events. [2021-03-26 05:17:26,048 INFO L130 PetriNetUnfolder]: For 53223/53227 co-relation queries the response was YES. [2021-03-26 05:17:26,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14817 conditions, 1336 events. 565/1336 cut-off events. For 53223/53227 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9272 event pairs, 2 based on Foata normal form. 5/1161 useless extension candidates. Maximal degree in co-relation 14531. Up to 766 conditions per place. [2021-03-26 05:17:26,071 INFO L132 encePairwiseOnDemand]: 95/111 looper letters, 482 selfloop transitions, 38 changer transitions 5/543 dead transitions. [2021-03-26 05:17:26,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 543 transitions, 16354 flow [2021-03-26 05:17:26,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:17:26,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:17:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 634 transitions. [2021-03-26 05:17:26,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47597597597597596 [2021-03-26 05:17:26,072 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 634 transitions. [2021-03-26 05:17:26,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 634 transitions. [2021-03-26 05:17:26,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:26,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 634 transitions. [2021-03-26 05:17:26,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.833333333333336) internal successors, (634), 12 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:26,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:26,073 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:26,073 INFO L185 Difference]: Start difference. First operand has 435 places, 533 transitions, 15190 flow. Second operand 12 states and 634 transitions. [2021-03-26 05:17:26,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 543 transitions, 16354 flow [2021-03-26 05:17:26,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 543 transitions, 16227 flow, removed 14 selfloop flow, removed 11 redundant places. [2021-03-26 05:17:26,452 INFO L241 Difference]: Finished difference. Result has 437 places, 530 transitions, 15107 flow [2021-03-26 05:17:26,453 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=15063, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15107, PETRI_PLACES=437, PETRI_TRANSITIONS=530} [2021-03-26 05:17:26,453 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 384 predicate places. [2021-03-26 05:17:26,453 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:26,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 530 transitions, 15107 flow [2021-03-26 05:17:26,453 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 530 transitions, 15107 flow [2021-03-26 05:17:26,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 435 places, 530 transitions, 15107 flow [2021-03-26 05:17:26,640 INFO L129 PetriNetUnfolder]: 492/1218 cut-off events. [2021-03-26 05:17:26,640 INFO L130 PetriNetUnfolder]: For 51779/51804 co-relation queries the response was YES. [2021-03-26 05:17:26,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13076 conditions, 1218 events. 492/1218 cut-off events. For 51779/51804 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8584 event pairs, 2 based on Foata normal form. 9/1051 useless extension candidates. Maximal degree in co-relation 12801. Up to 320 conditions per place. [2021-03-26 05:17:26,668 INFO L142 LiptonReduction]: Number of co-enabled transitions 2112 [2021-03-26 05:17:26,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:26,696 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:26,696 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-03-26 05:17:26,696 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 530 transitions, 15107 flow [2021-03-26 05:17:26,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:26,696 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:26,696 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:26,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 05:17:26,696 INFO L428 AbstractCegarLoop]: === Iteration 97 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:26,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:26,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1087793317, now seen corresponding path program 4 times [2021-03-26 05:17:26,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:26,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924292075] [2021-03-26 05:17:26,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:26,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:26,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:26,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:26,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:26,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:26,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:26,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:26,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:26,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:26,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:26,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:26,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:26,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:26,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:26,769 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:26,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:26,780 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:26,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:26,797 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:26,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:26,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924292075] [2021-03-26 05:17:26,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:26,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:26,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81495928] [2021-03-26 05:17:26,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:26,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:26,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:26,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:26,800 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:26,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 530 transitions, 15107 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:26,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:26,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:26,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:27,364 INFO L129 PetriNetUnfolder]: 570/1350 cut-off events. [2021-03-26 05:17:27,364 INFO L130 PetriNetUnfolder]: For 55005/55017 co-relation queries the response was YES. [2021-03-26 05:17:27,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15004 conditions, 1350 events. 570/1350 cut-off events. For 55005/55017 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9423 event pairs, 2 based on Foata normal form. 14/1181 useless extension candidates. Maximal degree in co-relation 14721. Up to 762 conditions per place. [2021-03-26 05:17:27,385 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 465 selfloop transitions, 60 changer transitions 4/547 dead transitions. [2021-03-26 05:17:27,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 547 transitions, 16642 flow [2021-03-26 05:17:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:17:27,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:17:27,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 692 transitions. [2021-03-26 05:17:27,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47955647955647956 [2021-03-26 05:17:27,387 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 692 transitions. [2021-03-26 05:17:27,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 692 transitions. [2021-03-26 05:17:27,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:27,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 692 transitions. [2021-03-26 05:17:27,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.23076923076923) internal successors, (692), 13 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:27,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:27,388 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:27,388 INFO L185 Difference]: Start difference. First operand has 435 places, 530 transitions, 15107 flow. Second operand 13 states and 692 transitions. [2021-03-26 05:17:27,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 547 transitions, 16642 flow [2021-03-26 05:17:27,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 547 transitions, 16524 flow, removed 9 selfloop flow, removed 13 redundant places. [2021-03-26 05:17:27,780 INFO L241 Difference]: Finished difference. Result has 437 places, 535 transitions, 15411 flow [2021-03-26 05:17:27,781 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=14991, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15411, PETRI_PLACES=437, PETRI_TRANSITIONS=535} [2021-03-26 05:17:27,781 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 384 predicate places. [2021-03-26 05:17:27,781 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:27,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 535 transitions, 15411 flow [2021-03-26 05:17:27,781 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 535 transitions, 15411 flow [2021-03-26 05:17:27,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 436 places, 535 transitions, 15411 flow [2021-03-26 05:17:27,974 INFO L129 PetriNetUnfolder]: 488/1211 cut-off events. [2021-03-26 05:17:27,975 INFO L130 PetriNetUnfolder]: For 53144/53169 co-relation queries the response was YES. [2021-03-26 05:17:27,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13198 conditions, 1211 events. 488/1211 cut-off events. For 53144/53169 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 8475 event pairs, 3 based on Foata normal form. 9/1049 useless extension candidates. Maximal degree in co-relation 12925. Up to 323 conditions per place. [2021-03-26 05:17:28,003 INFO L142 LiptonReduction]: Number of co-enabled transitions 2132 [2021-03-26 05:17:28,032 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:28,032 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:28,032 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 251 [2021-03-26 05:17:28,032 INFO L480 AbstractCegarLoop]: Abstraction has has 436 places, 535 transitions, 15411 flow [2021-03-26 05:17:28,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:28,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:28,033 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:28,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 05:17:28,033 INFO L428 AbstractCegarLoop]: === Iteration 98 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:28,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:28,033 INFO L82 PathProgramCache]: Analyzing trace with hash -595582787, now seen corresponding path program 5 times [2021-03-26 05:17:28,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:28,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733130841] [2021-03-26 05:17:28,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:28,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:28,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:28,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:28,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:28,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:28,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:28,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:28,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:28,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:28,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:17:28,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:28,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:28,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:28,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:28,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:28,127 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:28,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:28,140 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:28,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:28,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733130841] [2021-03-26 05:17:28,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:28,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:28,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805759788] [2021-03-26 05:17:28,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:28,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:28,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:28,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:28,143 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:28,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 535 transitions, 15411 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:28,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:28,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:28,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:28,804 INFO L129 PetriNetUnfolder]: 562/1317 cut-off events. [2021-03-26 05:17:28,804 INFO L130 PetriNetUnfolder]: For 57033/57043 co-relation queries the response was YES. [2021-03-26 05:17:28,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14985 conditions, 1317 events. 562/1317 cut-off events. For 57033/57043 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9063 event pairs, 12 based on Foata normal form. 11/1158 useless extension candidates. Maximal degree in co-relation 14704. Up to 765 conditions per place. [2021-03-26 05:17:28,826 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 457 selfloop transitions, 68 changer transitions 6/549 dead transitions. [2021-03-26 05:17:28,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 549 transitions, 16746 flow [2021-03-26 05:17:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:17:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:17:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 692 transitions. [2021-03-26 05:17:28,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47955647955647956 [2021-03-26 05:17:28,827 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 692 transitions. [2021-03-26 05:17:28,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 692 transitions. [2021-03-26 05:17:28,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:28,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 692 transitions. [2021-03-26 05:17:28,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.23076923076923) internal successors, (692), 13 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:28,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:28,828 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:28,828 INFO L185 Difference]: Start difference. First operand has 436 places, 535 transitions, 15411 flow. Second operand 13 states and 692 transitions. [2021-03-26 05:17:28,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 549 transitions, 16746 flow [2021-03-26 05:17:29,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 549 transitions, 16487 flow, removed 99 selfloop flow, removed 8 redundant places. [2021-03-26 05:17:29,190 INFO L241 Difference]: Finished difference. Result has 441 places, 535 transitions, 15442 flow [2021-03-26 05:17:29,190 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=15152, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15442, PETRI_PLACES=441, PETRI_TRANSITIONS=535} [2021-03-26 05:17:29,190 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 388 predicate places. [2021-03-26 05:17:29,190 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:29,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 535 transitions, 15442 flow [2021-03-26 05:17:29,191 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 535 transitions, 15442 flow [2021-03-26 05:17:29,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 435 places, 535 transitions, 15442 flow [2021-03-26 05:17:29,403 INFO L129 PetriNetUnfolder]: 510/1236 cut-off events. [2021-03-26 05:17:29,403 INFO L130 PetriNetUnfolder]: For 53732/53765 co-relation queries the response was YES. [2021-03-26 05:17:29,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13554 conditions, 1236 events. 510/1236 cut-off events. For 53732/53765 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8594 event pairs, 3 based on Foata normal form. 12/1075 useless extension candidates. Maximal degree in co-relation 13280. Up to 339 conditions per place. [2021-03-26 05:17:29,429 INFO L142 LiptonReduction]: Number of co-enabled transitions 2098 [2021-03-26 05:17:29,456 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:29,456 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:29,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-03-26 05:17:29,456 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 535 transitions, 15442 flow [2021-03-26 05:17:29,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:29,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:29,457 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:29,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 05:17:29,457 INFO L428 AbstractCegarLoop]: === Iteration 99 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:29,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:29,457 INFO L82 PathProgramCache]: Analyzing trace with hash 508714784, now seen corresponding path program 1 times [2021-03-26 05:17:29,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:29,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417730976] [2021-03-26 05:17:29,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:29,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:29,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:29,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:29,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:29,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:29,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:29,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:29,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:29,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:29,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:29,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:29,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:29,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:29,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:29,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:29,532 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:29,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:29,545 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:29,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:29,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:29,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417730976] [2021-03-26 05:17:29,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:29,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:29,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046314571] [2021-03-26 05:17:29,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:29,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:29,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:29,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:29,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:29,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 535 transitions, 15442 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:29,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:29,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:29,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:30,156 INFO L129 PetriNetUnfolder]: 578/1338 cut-off events. [2021-03-26 05:17:30,156 INFO L130 PetriNetUnfolder]: For 56616/56620 co-relation queries the response was YES. [2021-03-26 05:17:30,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15529 conditions, 1338 events. 578/1338 cut-off events. For 56616/56620 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9121 event pairs, 1 based on Foata normal form. 5/1170 useless extension candidates. Maximal degree in co-relation 15259. Up to 738 conditions per place. [2021-03-26 05:17:30,179 INFO L132 encePairwiseOnDemand]: 96/111 looper letters, 428 selfloop transitions, 121 changer transitions 0/567 dead transitions. [2021-03-26 05:17:30,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 567 transitions, 17560 flow [2021-03-26 05:17:30,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:17:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:17:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 657 transitions. [2021-03-26 05:17:30,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49324324324324326 [2021-03-26 05:17:30,180 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 657 transitions. [2021-03-26 05:17:30,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 657 transitions. [2021-03-26 05:17:30,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:30,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 657 transitions. [2021-03-26 05:17:30,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.75) internal successors, (657), 12 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:30,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:30,181 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:30,181 INFO L185 Difference]: Start difference. First operand has 435 places, 535 transitions, 15442 flow. Second operand 12 states and 657 transitions. [2021-03-26 05:17:30,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 567 transitions, 17560 flow [2021-03-26 05:17:30,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 567 transitions, 17374 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-26 05:17:30,583 INFO L241 Difference]: Finished difference. Result has 435 places, 554 transitions, 16463 flow [2021-03-26 05:17:30,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=15256, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16463, PETRI_PLACES=435, PETRI_TRANSITIONS=554} [2021-03-26 05:17:30,583 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 382 predicate places. [2021-03-26 05:17:30,583 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:30,583 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 554 transitions, 16463 flow [2021-03-26 05:17:30,584 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 554 transitions, 16463 flow [2021-03-26 05:17:30,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 435 places, 554 transitions, 16463 flow [2021-03-26 05:17:30,777 INFO L129 PetriNetUnfolder]: 516/1255 cut-off events. [2021-03-26 05:17:30,777 INFO L130 PetriNetUnfolder]: For 55546/55580 co-relation queries the response was YES. [2021-03-26 05:17:30,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14249 conditions, 1255 events. 516/1255 cut-off events. For 55546/55580 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8747 event pairs, 2 based on Foata normal form. 13/1095 useless extension candidates. Maximal degree in co-relation 13977. Up to 358 conditions per place. [2021-03-26 05:17:30,806 INFO L142 LiptonReduction]: Number of co-enabled transitions 2132 [2021-03-26 05:17:30,836 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:30,836 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:30,836 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 253 [2021-03-26 05:17:30,837 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 554 transitions, 16463 flow [2021-03-26 05:17:30,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:30,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:30,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:30,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 05:17:30,837 INFO L428 AbstractCegarLoop]: === Iteration 100 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:30,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:30,837 INFO L82 PathProgramCache]: Analyzing trace with hash -872864722, now seen corresponding path program 29 times [2021-03-26 05:17:30,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:30,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173840520] [2021-03-26 05:17:30,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:30,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:30,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:30,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:30,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:30,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:30,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:30,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:30,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:30,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:30,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:30,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:30,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:30,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:30,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:30,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:30,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:30,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:30,932 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:30,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:30,945 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:30,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:30,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173840520] [2021-03-26 05:17:30,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:30,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:30,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956343856] [2021-03-26 05:17:30,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:30,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:30,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:30,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:30,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:30,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 554 transitions, 16463 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:30,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:30,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:30,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:31,645 INFO L129 PetriNetUnfolder]: 581/1360 cut-off events. [2021-03-26 05:17:31,645 INFO L130 PetriNetUnfolder]: For 62622/62626 co-relation queries the response was YES. [2021-03-26 05:17:31,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15938 conditions, 1360 events. 581/1360 cut-off events. For 62622/62626 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9427 event pairs, 3 based on Foata normal form. 6/1192 useless extension candidates. Maximal degree in co-relation 15668. Up to 748 conditions per place. [2021-03-26 05:17:31,708 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 443 selfloop transitions, 88 changer transitions 31/580 dead transitions. [2021-03-26 05:17:31,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 580 transitions, 18204 flow [2021-03-26 05:17:31,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:17:31,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:17:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 858 transitions. [2021-03-26 05:17:31,710 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4831081081081081 [2021-03-26 05:17:31,710 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 858 transitions. [2021-03-26 05:17:31,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 858 transitions. [2021-03-26 05:17:31,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:31,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 858 transitions. [2021-03-26 05:17:31,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.625) internal successors, (858), 16 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:31,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:31,711 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:31,711 INFO L185 Difference]: Start difference. First operand has 435 places, 554 transitions, 16463 flow. Second operand 16 states and 858 transitions. [2021-03-26 05:17:31,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 580 transitions, 18204 flow [2021-03-26 05:17:32,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 580 transitions, 17753 flow, removed 202 selfloop flow, removed 5 redundant places. [2021-03-26 05:17:32,122 INFO L241 Difference]: Finished difference. Result has 449 places, 535 transitions, 15886 flow [2021-03-26 05:17:32,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=16012, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=15886, PETRI_PLACES=449, PETRI_TRANSITIONS=535} [2021-03-26 05:17:32,123 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 396 predicate places. [2021-03-26 05:17:32,123 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:32,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 535 transitions, 15886 flow [2021-03-26 05:17:32,123 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 535 transitions, 15886 flow [2021-03-26 05:17:32,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 441 places, 535 transitions, 15886 flow [2021-03-26 05:17:32,303 INFO L129 PetriNetUnfolder]: 488/1166 cut-off events. [2021-03-26 05:17:32,303 INFO L130 PetriNetUnfolder]: For 60069/60073 co-relation queries the response was YES. [2021-03-26 05:17:32,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13880 conditions, 1166 events. 488/1166 cut-off events. For 60069/60073 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7876 event pairs, 5 based on Foata normal form. 3/1022 useless extension candidates. Maximal degree in co-relation 13618. Up to 330 conditions per place. [2021-03-26 05:17:32,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 1932 [2021-03-26 05:17:32,358 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:32,358 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:32,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 235 [2021-03-26 05:17:32,358 INFO L480 AbstractCegarLoop]: Abstraction has has 441 places, 535 transitions, 15886 flow [2021-03-26 05:17:32,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:32,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:32,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:32,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 05:17:32,359 INFO L428 AbstractCegarLoop]: === Iteration 101 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:32,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:32,359 INFO L82 PathProgramCache]: Analyzing trace with hash 920071434, now seen corresponding path program 30 times [2021-03-26 05:17:32,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:32,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285194250] [2021-03-26 05:17:32,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:32,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:32,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:32,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:32,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:32,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:32,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:32,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:32,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:32,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:32,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:32,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:32,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:32,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:32,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:32,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:32,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:32,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:32,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:32,443 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:32,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:32,457 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:32,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:32,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285194250] [2021-03-26 05:17:32,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:32,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:32,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597506795] [2021-03-26 05:17:32,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:32,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:32,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:32,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:32,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:32,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 535 transitions, 15886 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:32,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:32,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:32,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:33,074 INFO L129 PetriNetUnfolder]: 550/1246 cut-off events. [2021-03-26 05:17:33,074 INFO L130 PetriNetUnfolder]: For 60811/60815 co-relation queries the response was YES. [2021-03-26 05:17:33,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15300 conditions, 1246 events. 550/1246 cut-off events. For 60811/60815 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8251 event pairs, 2 based on Foata normal form. 5/1103 useless extension candidates. Maximal degree in co-relation 15051. Up to 751 conditions per place. [2021-03-26 05:17:33,094 INFO L132 encePairwiseOnDemand]: 95/111 looper letters, 459 selfloop transitions, 57 changer transitions 11/545 dead transitions. [2021-03-26 05:17:33,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 545 transitions, 17052 flow [2021-03-26 05:17:33,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:17:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:17:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 842 transitions. [2021-03-26 05:17:33,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4740990990990991 [2021-03-26 05:17:33,095 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 842 transitions. [2021-03-26 05:17:33,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 842 transitions. [2021-03-26 05:17:33,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:33,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 842 transitions. [2021-03-26 05:17:33,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.625) internal successors, (842), 16 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:33,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:33,096 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:33,096 INFO L185 Difference]: Start difference. First operand has 441 places, 535 transitions, 15886 flow. Second operand 16 states and 842 transitions. [2021-03-26 05:17:33,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 545 transitions, 17052 flow [2021-03-26 05:17:33,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 545 transitions, 16419 flow, removed 157 selfloop flow, removed 33 redundant places. [2021-03-26 05:17:33,485 INFO L241 Difference]: Finished difference. Result has 425 places, 526 transitions, 15207 flow [2021-03-26 05:17:33,486 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=15260, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=15207, PETRI_PLACES=425, PETRI_TRANSITIONS=526} [2021-03-26 05:17:33,486 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 372 predicate places. [2021-03-26 05:17:33,486 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:33,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 526 transitions, 15207 flow [2021-03-26 05:17:33,486 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 526 transitions, 15207 flow [2021-03-26 05:17:33,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 526 transitions, 15207 flow [2021-03-26 05:17:33,648 INFO L129 PetriNetUnfolder]: 473/1104 cut-off events. [2021-03-26 05:17:33,649 INFO L130 PetriNetUnfolder]: For 51133/51162 co-relation queries the response was YES. [2021-03-26 05:17:33,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13101 conditions, 1104 events. 473/1104 cut-off events. For 51133/51162 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7296 event pairs, 4 based on Foata normal form. 7/974 useless extension candidates. Maximal degree in co-relation 12892. Up to 326 conditions per place. [2021-03-26 05:17:33,672 INFO L142 LiptonReduction]: Number of co-enabled transitions 1864 [2021-03-26 05:17:33,700 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:33,700 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:33,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 214 [2021-03-26 05:17:33,700 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 526 transitions, 15207 flow [2021-03-26 05:17:33,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:33,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:33,701 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:33,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 05:17:33,701 INFO L428 AbstractCegarLoop]: === Iteration 102 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:33,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:33,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1008590064, now seen corresponding path program 31 times [2021-03-26 05:17:33,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:33,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587988082] [2021-03-26 05:17:33,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:33,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:33,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:33,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:33,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:33,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:33,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:33,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:33,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:33,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:33,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:33,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:33,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:33,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:33,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:33,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:33,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:33,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:33,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:33,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:33,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:33,803 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:33,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:33,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587988082] [2021-03-26 05:17:33,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:33,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:33,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475771895] [2021-03-26 05:17:33,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:33,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:33,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:33,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:33,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:33,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 526 transitions, 15207 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:33,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:33,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:33,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:34,394 INFO L129 PetriNetUnfolder]: 546/1221 cut-off events. [2021-03-26 05:17:34,394 INFO L130 PetriNetUnfolder]: For 55941/55945 co-relation queries the response was YES. [2021-03-26 05:17:34,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14682 conditions, 1221 events. 546/1221 cut-off events. For 55941/55945 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7966 event pairs, 4 based on Foata normal form. 5/1081 useless extension candidates. Maximal degree in co-relation 14469. Up to 733 conditions per place. [2021-03-26 05:17:34,412 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 440 selfloop transitions, 80 changer transitions 0/538 dead transitions. [2021-03-26 05:17:34,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 538 transitions, 16370 flow [2021-03-26 05:17:34,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:17:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:17:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 847 transitions. [2021-03-26 05:17:34,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4769144144144144 [2021-03-26 05:17:34,429 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 847 transitions. [2021-03-26 05:17:34,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 847 transitions. [2021-03-26 05:17:34,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:34,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 847 transitions. [2021-03-26 05:17:34,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.9375) internal successors, (847), 16 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:34,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:34,431 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:34,431 INFO L185 Difference]: Start difference. First operand has 417 places, 526 transitions, 15207 flow. Second operand 16 states and 847 transitions. [2021-03-26 05:17:34,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 538 transitions, 16370 flow [2021-03-26 05:17:34,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 538 transitions, 16103 flow, removed 13 selfloop flow, removed 23 redundant places. [2021-03-26 05:17:34,786 INFO L241 Difference]: Finished difference. Result has 412 places, 528 transitions, 15189 flow [2021-03-26 05:17:34,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=14942, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=15189, PETRI_PLACES=412, PETRI_TRANSITIONS=528} [2021-03-26 05:17:34,787 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 359 predicate places. [2021-03-26 05:17:34,787 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:34,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 412 places, 528 transitions, 15189 flow [2021-03-26 05:17:34,787 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 412 places, 528 transitions, 15189 flow [2021-03-26 05:17:34,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 528 transitions, 15189 flow [2021-03-26 05:17:34,942 INFO L129 PetriNetUnfolder]: 465/1070 cut-off events. [2021-03-26 05:17:34,943 INFO L130 PetriNetUnfolder]: For 48793/48813 co-relation queries the response was YES. [2021-03-26 05:17:34,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12676 conditions, 1070 events. 465/1070 cut-off events. For 48793/48813 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7046 event pairs, 4 based on Foata normal form. 12/952 useless extension candidates. Maximal degree in co-relation 12440. Up to 323 conditions per place. [2021-03-26 05:17:34,965 INFO L142 LiptonReduction]: Number of co-enabled transitions 1888 [2021-03-26 05:17:34,994 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:34,994 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:34,994 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 207 [2021-03-26 05:17:34,994 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 528 transitions, 15189 flow [2021-03-26 05:17:34,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:34,995 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:34,995 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:34,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 05:17:34,995 INFO L428 AbstractCegarLoop]: === Iteration 103 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:34,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:34,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1580984074, now seen corresponding path program 32 times [2021-03-26 05:17:34,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:34,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986081919] [2021-03-26 05:17:34,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:35,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:35,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:35,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:35,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:35,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:35,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:35,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:35,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:35,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:35,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:35,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:35,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:35,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:35,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:35,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:35,094 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:35,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:35,108 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:35,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:35,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986081919] [2021-03-26 05:17:35,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:35,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:35,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105394648] [2021-03-26 05:17:35,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:35,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:35,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:35,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:35,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:35,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 528 transitions, 15189 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:35,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:35,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:35,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:35,812 INFO L129 PetriNetUnfolder]: 572/1279 cut-off events. [2021-03-26 05:17:35,812 INFO L130 PetriNetUnfolder]: For 55028/55038 co-relation queries the response was YES. [2021-03-26 05:17:35,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15339 conditions, 1279 events. 572/1279 cut-off events. For 55028/55038 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8441 event pairs, 12 based on Foata normal form. 11/1141 useless extension candidates. Maximal degree in co-relation 15065. Up to 659 conditions per place. [2021-03-26 05:17:35,831 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 313 selfloop transitions, 244 changer transitions 8/583 dead transitions. [2021-03-26 05:17:35,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 583 transitions, 17772 flow [2021-03-26 05:17:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 05:17:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 05:17:35,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 975 transitions. [2021-03-26 05:17:35,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.487987987987988 [2021-03-26 05:17:35,832 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 975 transitions. [2021-03-26 05:17:35,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 975 transitions. [2021-03-26 05:17:35,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:35,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 975 transitions. [2021-03-26 05:17:35,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 54.166666666666664) internal successors, (975), 18 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:35,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 111.0) internal successors, (2109), 19 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:35,834 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 111.0) internal successors, (2109), 19 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:35,834 INFO L185 Difference]: Start difference. First operand has 412 places, 528 transitions, 15189 flow. Second operand 18 states and 975 transitions. [2021-03-26 05:17:35,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 583 transitions, 17772 flow [2021-03-26 05:17:36,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 583 transitions, 17527 flow, removed 40 selfloop flow, removed 12 redundant places. [2021-03-26 05:17:36,158 INFO L241 Difference]: Finished difference. Result has 425 places, 565 transitions, 17005 flow [2021-03-26 05:17:36,158 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=14961, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=17005, PETRI_PLACES=425, PETRI_TRANSITIONS=565} [2021-03-26 05:17:36,158 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 372 predicate places. [2021-03-26 05:17:36,158 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:36,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 565 transitions, 17005 flow [2021-03-26 05:17:36,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 565 transitions, 17005 flow [2021-03-26 05:17:36,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 565 transitions, 17005 flow [2021-03-26 05:17:36,333 INFO L129 PetriNetUnfolder]: 481/1103 cut-off events. [2021-03-26 05:17:36,333 INFO L130 PetriNetUnfolder]: For 54400/54429 co-relation queries the response was YES. [2021-03-26 05:17:36,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13753 conditions, 1103 events. 481/1103 cut-off events. For 54400/54429 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7340 event pairs, 1 based on Foata normal form. 8/982 useless extension candidates. Maximal degree in co-relation 13494. Up to 351 conditions per place. [2021-03-26 05:17:36,357 INFO L142 LiptonReduction]: Number of co-enabled transitions 1922 [2021-03-26 05:17:36,416 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:36,416 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:36,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 258 [2021-03-26 05:17:36,416 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 565 transitions, 17005 flow [2021-03-26 05:17:36,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:36,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:36,417 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:36,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 05:17:36,417 INFO L428 AbstractCegarLoop]: === Iteration 104 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:36,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:36,417 INFO L82 PathProgramCache]: Analyzing trace with hash 508361672, now seen corresponding path program 33 times [2021-03-26 05:17:36,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:36,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5186458] [2021-03-26 05:17:36,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:36,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:36,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:36,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:36,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:36,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:36,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:36,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:36,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:36,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:36,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:36,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:36,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:36,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:36,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:36,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:36,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:36,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:36,496 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:36,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:36,509 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:36,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:36,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:36,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5186458] [2021-03-26 05:17:36,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:36,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:36,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352106854] [2021-03-26 05:17:36,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:36,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:36,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:36,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:36,512 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:36,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 565 transitions, 17005 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:36,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:36,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:36,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:37,133 INFO L129 PetriNetUnfolder]: 575/1287 cut-off events. [2021-03-26 05:17:37,133 INFO L130 PetriNetUnfolder]: For 58562/58572 co-relation queries the response was YES. [2021-03-26 05:17:37,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16099 conditions, 1287 events. 575/1287 cut-off events. For 58562/58572 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8604 event pairs, 13 based on Foata normal form. 12/1150 useless extension candidates. Maximal degree in co-relation 15853. Up to 679 conditions per place. [2021-03-26 05:17:37,154 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 362 selfloop transitions, 181 changer transitions 37/598 dead transitions. [2021-03-26 05:17:37,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 598 transitions, 19194 flow [2021-03-26 05:17:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:17:37,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:17:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 824 transitions. [2021-03-26 05:17:37,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4948948948948949 [2021-03-26 05:17:37,156 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 824 transitions. [2021-03-26 05:17:37,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 824 transitions. [2021-03-26 05:17:37,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:37,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 824 transitions. [2021-03-26 05:17:37,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.93333333333333) internal successors, (824), 15 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:37,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:37,157 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:37,157 INFO L185 Difference]: Start difference. First operand has 425 places, 565 transitions, 17005 flow. Second operand 15 states and 824 transitions. [2021-03-26 05:17:37,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 598 transitions, 19194 flow [2021-03-26 05:17:37,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 598 transitions, 18722 flow, removed 176 selfloop flow, removed 11 redundant places. [2021-03-26 05:17:37,566 INFO L241 Difference]: Finished difference. Result has 435 places, 548 transitions, 16789 flow [2021-03-26 05:17:37,566 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=16533, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16789, PETRI_PLACES=435, PETRI_TRANSITIONS=548} [2021-03-26 05:17:37,566 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 382 predicate places. [2021-03-26 05:17:37,567 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:37,567 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 548 transitions, 16789 flow [2021-03-26 05:17:37,567 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 548 transitions, 16789 flow [2021-03-26 05:17:37,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 433 places, 548 transitions, 16789 flow [2021-03-26 05:17:37,740 INFO L129 PetriNetUnfolder]: 469/1066 cut-off events. [2021-03-26 05:17:37,740 INFO L130 PetriNetUnfolder]: For 56351/56381 co-relation queries the response was YES. [2021-03-26 05:17:37,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13891 conditions, 1066 events. 469/1066 cut-off events. For 56351/56381 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6942 event pairs, 4 based on Foata normal form. 10/956 useless extension candidates. Maximal degree in co-relation 13634. Up to 337 conditions per place. [2021-03-26 05:17:37,765 INFO L142 LiptonReduction]: Number of co-enabled transitions 1778 [2021-03-26 05:17:37,795 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:37,795 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:37,795 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 228 [2021-03-26 05:17:37,796 INFO L480 AbstractCegarLoop]: Abstraction has has 433 places, 548 transitions, 16789 flow [2021-03-26 05:17:37,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:37,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:37,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:37,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-26 05:17:37,796 INFO L428 AbstractCegarLoop]: === Iteration 105 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:37,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:37,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1963748240, now seen corresponding path program 34 times [2021-03-26 05:17:37,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:37,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457469654] [2021-03-26 05:17:37,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:37,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:37,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:37,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:37,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:37,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:37,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:37,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:37,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:37,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:37,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:37,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:37,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:37,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:37,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:37,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:37,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:37,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:37,916 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:37,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:37,933 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:37,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:37,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457469654] [2021-03-26 05:17:37,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:37,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:17:37,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307125934] [2021-03-26 05:17:37,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:17:37,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:37,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:17:37,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:17:37,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 05:17:37,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 548 transitions, 16789 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:37,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:37,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 05:17:37,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:38,546 INFO L129 PetriNetUnfolder]: 553/1213 cut-off events. [2021-03-26 05:17:38,547 INFO L130 PetriNetUnfolder]: For 61200/61204 co-relation queries the response was YES. [2021-03-26 05:17:38,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15652 conditions, 1213 events. 553/1213 cut-off events. For 61200/61204 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7792 event pairs, 11 based on Foata normal form. 5/1082 useless extension candidates. Maximal degree in co-relation 15387. Up to 753 conditions per place. [2021-03-26 05:17:38,567 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 465 selfloop transitions, 62 changer transitions 19/564 dead transitions. [2021-03-26 05:17:38,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 564 transitions, 18010 flow [2021-03-26 05:17:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:17:38,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:17:38,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 793 transitions. [2021-03-26 05:17:38,568 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4762762762762763 [2021-03-26 05:17:38,568 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 793 transitions. [2021-03-26 05:17:38,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 793 transitions. [2021-03-26 05:17:38,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:38,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 793 transitions. [2021-03-26 05:17:38,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.86666666666667) internal successors, (793), 15 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:38,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:38,570 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:38,570 INFO L185 Difference]: Start difference. First operand has 433 places, 548 transitions, 16789 flow. Second operand 15 states and 793 transitions. [2021-03-26 05:17:38,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 564 transitions, 18010 flow [2021-03-26 05:17:38,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 564 transitions, 16696 flow, removed 126 selfloop flow, removed 35 redundant places. [2021-03-26 05:17:38,981 INFO L241 Difference]: Finished difference. Result has 415 places, 534 transitions, 15027 flow [2021-03-26 05:17:38,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=15476, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15027, PETRI_PLACES=415, PETRI_TRANSITIONS=534} [2021-03-26 05:17:38,981 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 362 predicate places. [2021-03-26 05:17:38,981 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:38,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 534 transitions, 15027 flow [2021-03-26 05:17:38,982 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 534 transitions, 15027 flow [2021-03-26 05:17:38,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 410 places, 534 transitions, 15027 flow [2021-03-26 05:17:39,141 INFO L129 PetriNetUnfolder]: 480/1090 cut-off events. [2021-03-26 05:17:39,141 INFO L130 PetriNetUnfolder]: For 52844/52874 co-relation queries the response was YES. [2021-03-26 05:17:39,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13073 conditions, 1090 events. 480/1090 cut-off events. For 52844/52874 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7012 event pairs, 13 based on Foata normal form. 8/972 useless extension candidates. Maximal degree in co-relation 12909. Up to 341 conditions per place. [2021-03-26 05:17:39,164 INFO L142 LiptonReduction]: Number of co-enabled transitions 1778 [2021-03-26 05:17:39,247 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:39,247 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:17:39,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-03-26 05:17:39,248 INFO L480 AbstractCegarLoop]: Abstraction has has 410 places, 534 transitions, 15030 flow [2021-03-26 05:17:39,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:39,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:39,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:39,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-26 05:17:39,248 INFO L428 AbstractCegarLoop]: === Iteration 106 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:39,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:39,248 INFO L82 PathProgramCache]: Analyzing trace with hash -513152816, now seen corresponding path program 35 times [2021-03-26 05:17:39,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:39,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960695580] [2021-03-26 05:17:39,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:39,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:39,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:39,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:39,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:39,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:39,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:39,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:39,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:39,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:39,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:39,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:39,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:39,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:39,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:39,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:39,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:39,333 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:39,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:39,347 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:39,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:39,363 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:39,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:39,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960695580] [2021-03-26 05:17:39,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:39,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:39,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795054730] [2021-03-26 05:17:39,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:39,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:39,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:39,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:39,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:39,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 534 transitions, 15030 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:39,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:39,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:39,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:39,961 INFO L129 PetriNetUnfolder]: 546/1188 cut-off events. [2021-03-26 05:17:39,961 INFO L130 PetriNetUnfolder]: For 55983/55989 co-relation queries the response was YES. [2021-03-26 05:17:39,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14592 conditions, 1188 events. 546/1188 cut-off events. For 55983/55989 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7604 event pairs, 3 based on Foata normal form. 7/1062 useless extension candidates. Maximal degree in co-relation 14426. Up to 672 conditions per place. [2021-03-26 05:17:39,978 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 363 selfloop transitions, 145 changer transitions 25/551 dead transitions. [2021-03-26 05:17:39,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 551 transitions, 16652 flow [2021-03-26 05:17:39,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:17:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:17:39,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 919 transitions. [2021-03-26 05:17:39,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48266806722689076 [2021-03-26 05:17:39,980 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 919 transitions. [2021-03-26 05:17:39,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 919 transitions. [2021-03-26 05:17:39,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:39,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 919 transitions. [2021-03-26 05:17:39,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 54.05882352941177) internal successors, (919), 17 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:39,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 112.0) internal successors, (2016), 18 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:39,981 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 112.0) internal successors, (2016), 18 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:39,981 INFO L185 Difference]: Start difference. First operand has 410 places, 534 transitions, 15030 flow. Second operand 17 states and 919 transitions. [2021-03-26 05:17:39,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 551 transitions, 16652 flow [2021-03-26 05:17:40,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 551 transitions, 16092 flow, removed 160 selfloop flow, removed 27 redundant places. [2021-03-26 05:17:40,319 INFO L241 Difference]: Finished difference. Result has 403 places, 516 transitions, 14068 flow [2021-03-26 05:17:40,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=14470, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14068, PETRI_PLACES=403, PETRI_TRANSITIONS=516} [2021-03-26 05:17:40,320 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 350 predicate places. [2021-03-26 05:17:40,320 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:40,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 516 transitions, 14068 flow [2021-03-26 05:17:40,320 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 516 transitions, 14068 flow [2021-03-26 05:17:40,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 399 places, 516 transitions, 14068 flow [2021-03-26 05:17:40,462 INFO L129 PetriNetUnfolder]: 445/994 cut-off events. [2021-03-26 05:17:40,462 INFO L130 PetriNetUnfolder]: For 47196/47226 co-relation queries the response was YES. [2021-03-26 05:17:40,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12095 conditions, 994 events. 445/994 cut-off events. For 47196/47226 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6243 event pairs, 6 based on Foata normal form. 8/893 useless extension candidates. Maximal degree in co-relation 11929. Up to 315 conditions per place. [2021-03-26 05:17:40,483 INFO L142 LiptonReduction]: Number of co-enabled transitions 1674 [2021-03-26 05:17:40,513 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:40,513 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:40,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-03-26 05:17:40,514 INFO L480 AbstractCegarLoop]: Abstraction has has 399 places, 516 transitions, 14068 flow [2021-03-26 05:17:40,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:40,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:40,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:40,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-26 05:17:40,514 INFO L428 AbstractCegarLoop]: === Iteration 107 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:40,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:40,514 INFO L82 PathProgramCache]: Analyzing trace with hash 201702502, now seen corresponding path program 1 times [2021-03-26 05:17:40,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:40,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869123391] [2021-03-26 05:17:40,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:40,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:40,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:40,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:40,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:40,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:40,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:40,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:40,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:40,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:40,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:40,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:40,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:40,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:40,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:40,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:40,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:40,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:40,595 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:40,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:40,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:40,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869123391] [2021-03-26 05:17:40,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:40,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:17:40,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551114041] [2021-03-26 05:17:40,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:17:40,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:40,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:17:40,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:17:40,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:40,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 516 transitions, 14068 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:40,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:40,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:40,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:41,037 INFO L129 PetriNetUnfolder]: 522/1120 cut-off events. [2021-03-26 05:17:41,038 INFO L130 PetriNetUnfolder]: For 53998/54010 co-relation queries the response was YES. [2021-03-26 05:17:41,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13761 conditions, 1120 events. 522/1120 cut-off events. For 53998/54010 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6951 event pairs, 5 based on Foata normal form. 13/1014 useless extension candidates. Maximal degree in co-relation 13522. Up to 603 conditions per place. [2021-03-26 05:17:41,054 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 281 selfloop transitions, 224 changer transitions 4/527 dead transitions. [2021-03-26 05:17:41,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 527 transitions, 15229 flow [2021-03-26 05:17:41,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:17:41,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:17:41,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 510 transitions. [2021-03-26 05:17:41,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5059523809523809 [2021-03-26 05:17:41,055 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 510 transitions. [2021-03-26 05:17:41,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 510 transitions. [2021-03-26 05:17:41,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:41,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 510 transitions. [2021-03-26 05:17:41,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.666666666666664) internal successors, (510), 9 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:41,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 112.0) internal successors, (1120), 10 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:41,056 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 112.0) internal successors, (1120), 10 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:41,056 INFO L185 Difference]: Start difference. First operand has 399 places, 516 transitions, 14068 flow. Second operand 9 states and 510 transitions. [2021-03-26 05:17:41,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 527 transitions, 15229 flow [2021-03-26 05:17:41,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 527 transitions, 14582 flow, removed 99 selfloop flow, removed 37 redundant places. [2021-03-26 05:17:41,348 INFO L241 Difference]: Finished difference. Result has 372 places, 513 transitions, 14023 flow [2021-03-26 05:17:41,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=13447, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=224, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14023, PETRI_PLACES=372, PETRI_TRANSITIONS=513} [2021-03-26 05:17:41,348 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 319 predicate places. [2021-03-26 05:17:41,348 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:41,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 372 places, 513 transitions, 14023 flow [2021-03-26 05:17:41,348 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 372 places, 513 transitions, 14023 flow [2021-03-26 05:17:41,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 371 places, 513 transitions, 14023 flow [2021-03-26 05:17:41,482 INFO L129 PetriNetUnfolder]: 449/1004 cut-off events. [2021-03-26 05:17:41,482 INFO L130 PetriNetUnfolder]: For 44368/44393 co-relation queries the response was YES. [2021-03-26 05:17:41,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11840 conditions, 1004 events. 449/1004 cut-off events. For 44368/44393 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6301 event pairs, 2 based on Foata normal form. 9/899 useless extension candidates. Maximal degree in co-relation 11626. Up to 311 conditions per place. [2021-03-26 05:17:41,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 1666 [2021-03-26 05:17:41,531 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:41,531 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:41,531 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 183 [2021-03-26 05:17:41,531 INFO L480 AbstractCegarLoop]: Abstraction has has 371 places, 513 transitions, 14023 flow [2021-03-26 05:17:41,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:41,531 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:41,531 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:41,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-26 05:17:41,532 INFO L428 AbstractCegarLoop]: === Iteration 108 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:41,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:41,532 INFO L82 PathProgramCache]: Analyzing trace with hash -251162788, now seen corresponding path program 36 times [2021-03-26 05:17:41,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:41,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802107242] [2021-03-26 05:17:41,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:41,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:41,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:41,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:41,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:41,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:41,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:41,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:41,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:41,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:41,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:41,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:41,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:41,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:41,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:41,573 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:41,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:41,576 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:41,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:41,586 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:41,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:41,597 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:41,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:41,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802107242] [2021-03-26 05:17:41,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:41,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:17:41,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920278684] [2021-03-26 05:17:41,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:17:41,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:41,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:17:41,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:17:41,600 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:41,600 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 513 transitions, 14023 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:41,600 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:41,600 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:41,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:42,040 INFO L129 PetriNetUnfolder]: 532/1138 cut-off events. [2021-03-26 05:17:42,041 INFO L130 PetriNetUnfolder]: For 52054/52060 co-relation queries the response was YES. [2021-03-26 05:17:42,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13971 conditions, 1138 events. 532/1138 cut-off events. For 52054/52060 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7130 event pairs, 4 based on Foata normal form. 7/1025 useless extension candidates. Maximal degree in co-relation 13749. Up to 687 conditions per place. [2021-03-26 05:17:42,056 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 382 selfloop transitions, 135 changer transitions 3/538 dead transitions. [2021-03-26 05:17:42,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 538 transitions, 15957 flow [2021-03-26 05:17:42,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:17:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:17:42,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 549 transitions. [2021-03-26 05:17:42,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4901785714285714 [2021-03-26 05:17:42,057 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 549 transitions. [2021-03-26 05:17:42,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 549 transitions. [2021-03-26 05:17:42,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:42,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 549 transitions. [2021-03-26 05:17:42,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.9) internal successors, (549), 10 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:42,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 112.0) internal successors, (1232), 11 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:42,058 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 112.0) internal successors, (1232), 11 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:42,059 INFO L185 Difference]: Start difference. First operand has 371 places, 513 transitions, 14023 flow. Second operand 10 states and 549 transitions. [2021-03-26 05:17:42,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 538 transitions, 15957 flow [2021-03-26 05:17:42,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 538 transitions, 15362 flow, removed 16 selfloop flow, removed 12 redundant places. [2021-03-26 05:17:42,371 INFO L241 Difference]: Finished difference. Result has 371 places, 527 transitions, 14485 flow [2021-03-26 05:17:42,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=13442, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=513, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=14485, PETRI_PLACES=371, PETRI_TRANSITIONS=527} [2021-03-26 05:17:42,371 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 318 predicate places. [2021-03-26 05:17:42,371 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:42,372 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 371 places, 527 transitions, 14485 flow [2021-03-26 05:17:42,372 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 371 places, 527 transitions, 14485 flow [2021-03-26 05:17:42,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 370 places, 527 transitions, 14485 flow [2021-03-26 05:17:42,510 INFO L129 PetriNetUnfolder]: 453/1012 cut-off events. [2021-03-26 05:17:42,510 INFO L130 PetriNetUnfolder]: For 49060/49085 co-relation queries the response was YES. [2021-03-26 05:17:42,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12211 conditions, 1012 events. 453/1012 cut-off events. For 49060/49085 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6374 event pairs, 5 based on Foata normal form. 9/910 useless extension candidates. Maximal degree in co-relation 11999. Up to 321 conditions per place. [2021-03-26 05:17:42,531 INFO L142 LiptonReduction]: Number of co-enabled transitions 1666 [2021-03-26 05:17:42,562 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:42,562 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:42,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-03-26 05:17:42,563 INFO L480 AbstractCegarLoop]: Abstraction has has 370 places, 527 transitions, 14485 flow [2021-03-26 05:17:42,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:42,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:42,563 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:42,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 05:17:42,563 INFO L428 AbstractCegarLoop]: === Iteration 109 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:42,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:42,564 INFO L82 PathProgramCache]: Analyzing trace with hash -2084090440, now seen corresponding path program 37 times [2021-03-26 05:17:42,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:42,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610527477] [2021-03-26 05:17:42,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:42,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:42,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:42,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:42,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:42,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:42,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:42,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:42,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:42,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:42,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:42,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:42,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:42,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:42,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:42,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:42,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:42,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:42,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:42,629 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:42,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:42,641 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:42,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:42,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610527477] [2021-03-26 05:17:42,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:42,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:42,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579970020] [2021-03-26 05:17:42,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:42,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:42,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:42,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:42,644 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:42,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 527 transitions, 14485 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:42,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:42,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:42,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:43,149 INFO L129 PetriNetUnfolder]: 534/1150 cut-off events. [2021-03-26 05:17:43,149 INFO L130 PetriNetUnfolder]: For 56293/56299 co-relation queries the response was YES. [2021-03-26 05:17:43,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14264 conditions, 1150 events. 534/1150 cut-off events. For 56293/56299 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7258 event pairs, 9 based on Foata normal form. 7/1038 useless extension candidates. Maximal degree in co-relation 14044. Up to 678 conditions per place. [2021-03-26 05:17:43,165 INFO L132 encePairwiseOnDemand]: 95/112 looper letters, 371 selfloop transitions, 157 changer transitions 9/555 dead transitions. [2021-03-26 05:17:43,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 555 transitions, 16736 flow [2021-03-26 05:17:43,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:17:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:17:43,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 709 transitions. [2021-03-26 05:17:43,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48695054945054944 [2021-03-26 05:17:43,167 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 709 transitions. [2021-03-26 05:17:43,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 709 transitions. [2021-03-26 05:17:43,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:43,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 709 transitions. [2021-03-26 05:17:43,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.53846153846154) internal successors, (709), 13 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:43,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:43,168 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:43,168 INFO L185 Difference]: Start difference. First operand has 370 places, 527 transitions, 14485 flow. Second operand 13 states and 709 transitions. [2021-03-26 05:17:43,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 555 transitions, 16736 flow [2021-03-26 05:17:43,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 555 transitions, 16450 flow, removed 120 selfloop flow, removed 3 redundant places. [2021-03-26 05:17:43,481 INFO L241 Difference]: Finished difference. Result has 385 places, 537 transitions, 15390 flow [2021-03-26 05:17:43,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=14243, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15390, PETRI_PLACES=385, PETRI_TRANSITIONS=537} [2021-03-26 05:17:43,482 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 332 predicate places. [2021-03-26 05:17:43,482 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:43,482 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 537 transitions, 15390 flow [2021-03-26 05:17:43,482 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 537 transitions, 15390 flow [2021-03-26 05:17:43,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 385 places, 537 transitions, 15390 flow [2021-03-26 05:17:43,630 INFO L129 PetriNetUnfolder]: 467/1040 cut-off events. [2021-03-26 05:17:43,630 INFO L130 PetriNetUnfolder]: For 56674/56686 co-relation queries the response was YES. [2021-03-26 05:17:43,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12988 conditions, 1040 events. 467/1040 cut-off events. For 56674/56686 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 6568 event pairs, 3 based on Foata normal form. 9/938 useless extension candidates. Maximal degree in co-relation 12768. Up to 330 conditions per place. [2021-03-26 05:17:43,651 INFO L142 LiptonReduction]: Number of co-enabled transitions 1662 [2021-03-26 05:17:43,684 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:43,684 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:43,684 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 202 [2021-03-26 05:17:43,684 INFO L480 AbstractCegarLoop]: Abstraction has has 385 places, 537 transitions, 15390 flow [2021-03-26 05:17:43,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:43,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:43,684 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:43,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-26 05:17:43,685 INFO L428 AbstractCegarLoop]: === Iteration 110 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:43,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:43,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1318409666, now seen corresponding path program 38 times [2021-03-26 05:17:43,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:43,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533690998] [2021-03-26 05:17:43,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:43,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:43,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:43,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:43,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:43,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:43,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:43,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:43,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:43,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:43,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:43,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:43,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:43,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:43,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:43,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:43,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:43,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:43,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:43,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:43,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:43,767 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:43,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:43,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533690998] [2021-03-26 05:17:43,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:43,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:43,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806602716] [2021-03-26 05:17:43,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:43,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:43,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:43,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:43,770 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:43,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 537 transitions, 15390 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:43,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:43,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:43,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:44,284 INFO L129 PetriNetUnfolder]: 530/1133 cut-off events. [2021-03-26 05:17:44,284 INFO L130 PetriNetUnfolder]: For 58341/58347 co-relation queries the response was YES. [2021-03-26 05:17:44,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14521 conditions, 1133 events. 530/1133 cut-off events. For 58341/58347 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7063 event pairs, 5 based on Foata normal form. 7/1027 useless extension candidates. Maximal degree in co-relation 14293. Up to 623 conditions per place. [2021-03-26 05:17:44,299 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 298 selfloop transitions, 236 changer transitions 8/560 dead transitions. [2021-03-26 05:17:44,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 560 transitions, 17069 flow [2021-03-26 05:17:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:17:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:17:44,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 608 transitions. [2021-03-26 05:17:44,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4935064935064935 [2021-03-26 05:17:44,301 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 608 transitions. [2021-03-26 05:17:44,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 608 transitions. [2021-03-26 05:17:44,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:44,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 608 transitions. [2021-03-26 05:17:44,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.27272727272727) internal successors, (608), 11 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:44,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:44,302 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:44,302 INFO L185 Difference]: Start difference. First operand has 385 places, 537 transitions, 15390 flow. Second operand 11 states and 608 transitions. [2021-03-26 05:17:44,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 560 transitions, 17069 flow [2021-03-26 05:17:44,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 560 transitions, 16349 flow, removed 146 selfloop flow, removed 17 redundant places. [2021-03-26 05:17:44,636 INFO L241 Difference]: Finished difference. Result has 382 places, 544 transitions, 15597 flow [2021-03-26 05:17:44,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=14684, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=228, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15597, PETRI_PLACES=382, PETRI_TRANSITIONS=544} [2021-03-26 05:17:44,637 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 329 predicate places. [2021-03-26 05:17:44,637 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:44,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 544 transitions, 15597 flow [2021-03-26 05:17:44,637 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 544 transitions, 15597 flow [2021-03-26 05:17:44,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 381 places, 544 transitions, 15597 flow [2021-03-26 05:17:44,781 INFO L129 PetriNetUnfolder]: 450/990 cut-off events. [2021-03-26 05:17:44,781 INFO L130 PetriNetUnfolder]: For 53826/53841 co-relation queries the response was YES. [2021-03-26 05:17:44,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12747 conditions, 990 events. 450/990 cut-off events. For 53826/53841 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6201 event pairs, 4 based on Foata normal form. 9/899 useless extension candidates. Maximal degree in co-relation 12529. Up to 326 conditions per place. [2021-03-26 05:17:44,805 INFO L142 LiptonReduction]: Number of co-enabled transitions 1662 [2021-03-26 05:17:44,839 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:44,839 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:44,839 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 202 [2021-03-26 05:17:44,840 INFO L480 AbstractCegarLoop]: Abstraction has has 381 places, 544 transitions, 15597 flow [2021-03-26 05:17:44,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:44,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:44,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:44,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-26 05:17:44,840 INFO L428 AbstractCegarLoop]: === Iteration 111 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:44,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:44,840 INFO L82 PathProgramCache]: Analyzing trace with hash -2067171102, now seen corresponding path program 39 times [2021-03-26 05:17:44,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:44,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809520647] [2021-03-26 05:17:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:44,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:44,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:44,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:44,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:44,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:44,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:44,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:44,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:44,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:44,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:44,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:44,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:44,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:44,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:44,894 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:44,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:44,905 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:44,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:44,919 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:44,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:44,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809520647] [2021-03-26 05:17:44,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:44,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:44,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847793248] [2021-03-26 05:17:44,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:44,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:44,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:44,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:44,922 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:44,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 544 transitions, 15597 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:44,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:44,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:44,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:45,452 INFO L129 PetriNetUnfolder]: 537/1152 cut-off events. [2021-03-26 05:17:45,452 INFO L130 PetriNetUnfolder]: For 57892/57896 co-relation queries the response was YES. [2021-03-26 05:17:45,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14815 conditions, 1152 events. 537/1152 cut-off events. For 57892/57896 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7216 event pairs, 12 based on Foata normal form. 5/1039 useless extension candidates. Maximal degree in co-relation 14589. Up to 691 conditions per place. [2021-03-26 05:17:45,469 INFO L132 encePairwiseOnDemand]: 95/112 looper letters, 376 selfloop transitions, 169 changer transitions 3/566 dead transitions. [2021-03-26 05:17:45,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 566 transitions, 17413 flow [2021-03-26 05:17:45,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:17:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:17:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2021-03-26 05:17:45,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48341836734693877 [2021-03-26 05:17:45,470 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 758 transitions. [2021-03-26 05:17:45,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 758 transitions. [2021-03-26 05:17:45,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:45,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 758 transitions. [2021-03-26 05:17:45,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.142857142857146) internal successors, (758), 14 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:45,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 112.0) internal successors, (1680), 15 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:45,471 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 112.0) internal successors, (1680), 15 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:45,471 INFO L185 Difference]: Start difference. First operand has 381 places, 544 transitions, 15597 flow. Second operand 14 states and 758 transitions. [2021-03-26 05:17:45,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 566 transitions, 17413 flow [2021-03-26 05:17:45,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 566 transitions, 16512 flow, removed 92 selfloop flow, removed 13 redundant places. [2021-03-26 05:17:45,791 INFO L241 Difference]: Finished difference. Result has 383 places, 555 transitions, 15647 flow [2021-03-26 05:17:45,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=14715, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=15647, PETRI_PLACES=383, PETRI_TRANSITIONS=555} [2021-03-26 05:17:45,792 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 330 predicate places. [2021-03-26 05:17:45,792 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:45,792 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 383 places, 555 transitions, 15647 flow [2021-03-26 05:17:45,792 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 383 places, 555 transitions, 15647 flow [2021-03-26 05:17:45,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 383 places, 555 transitions, 15647 flow [2021-03-26 05:17:45,938 INFO L129 PetriNetUnfolder]: 453/1013 cut-off events. [2021-03-26 05:17:45,938 INFO L130 PetriNetUnfolder]: For 48097/48124 co-relation queries the response was YES. [2021-03-26 05:17:45,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12706 conditions, 1013 events. 453/1013 cut-off events. For 48097/48124 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6370 event pairs, 5 based on Foata normal form. 11/921 useless extension candidates. Maximal degree in co-relation 12490. Up to 332 conditions per place. [2021-03-26 05:17:45,960 INFO L142 LiptonReduction]: Number of co-enabled transitions 1662 [2021-03-26 05:17:45,994 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:45,994 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:45,994 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 202 [2021-03-26 05:17:45,994 INFO L480 AbstractCegarLoop]: Abstraction has has 383 places, 555 transitions, 15647 flow [2021-03-26 05:17:45,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:45,994 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:45,994 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:45,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-26 05:17:45,995 INFO L428 AbstractCegarLoop]: === Iteration 112 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:45,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:45,995 INFO L82 PathProgramCache]: Analyzing trace with hash -2076327490, now seen corresponding path program 40 times [2021-03-26 05:17:45,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:45,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479935045] [2021-03-26 05:17:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:46,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:46,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:46,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:46,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:46,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:46,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:46,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:46,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:46,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:46,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:46,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:46,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:46,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:46,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:46,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:46,058 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:17:46,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:46,069 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:46,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:46,082 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:46,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:46,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479935045] [2021-03-26 05:17:46,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:46,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:46,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584723360] [2021-03-26 05:17:46,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:46,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:46,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:46,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:46,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:46,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 555 transitions, 15647 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:46,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:46,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:46,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:46,716 INFO L129 PetriNetUnfolder]: 526/1130 cut-off events. [2021-03-26 05:17:46,716 INFO L130 PetriNetUnfolder]: For 53331/53335 co-relation queries the response was YES. [2021-03-26 05:17:46,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14438 conditions, 1130 events. 526/1130 cut-off events. For 53331/53335 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7056 event pairs, 18 based on Foata normal form. 5/1026 useless extension candidates. Maximal degree in co-relation 14214. Up to 684 conditions per place. [2021-03-26 05:17:46,732 INFO L132 encePairwiseOnDemand]: 95/112 looper letters, 367 selfloop transitions, 181 changer transitions 3/569 dead transitions. [2021-03-26 05:17:46,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 569 transitions, 17087 flow [2021-03-26 05:17:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:17:46,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:17:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 861 transitions. [2021-03-26 05:17:46,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48046875 [2021-03-26 05:17:46,733 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 861 transitions. [2021-03-26 05:17:46,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 861 transitions. [2021-03-26 05:17:46,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:46,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 861 transitions. [2021-03-26 05:17:46,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.8125) internal successors, (861), 16 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:46,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:46,734 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:46,734 INFO L185 Difference]: Start difference. First operand has 383 places, 555 transitions, 15647 flow. Second operand 16 states and 861 transitions. [2021-03-26 05:17:46,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 569 transitions, 17087 flow [2021-03-26 05:17:47,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 569 transitions, 16803 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-03-26 05:17:47,040 INFO L241 Difference]: Finished difference. Result has 390 places, 557 transitions, 15952 flow [2021-03-26 05:17:47,040 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=15379, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=555, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=15952, PETRI_PLACES=390, PETRI_TRANSITIONS=557} [2021-03-26 05:17:47,040 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 337 predicate places. [2021-03-26 05:17:47,040 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:47,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 557 transitions, 15952 flow [2021-03-26 05:17:47,041 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 557 transitions, 15952 flow [2021-03-26 05:17:47,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 557 transitions, 15952 flow [2021-03-26 05:17:47,192 INFO L129 PetriNetUnfolder]: 453/1014 cut-off events. [2021-03-26 05:17:47,192 INFO L130 PetriNetUnfolder]: For 48338/48368 co-relation queries the response was YES. [2021-03-26 05:17:47,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12810 conditions, 1014 events. 453/1014 cut-off events. For 48338/48368 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6463 event pairs, 5 based on Foata normal form. 8/918 useless extension candidates. Maximal degree in co-relation 12593. Up to 332 conditions per place. [2021-03-26 05:17:47,213 INFO L142 LiptonReduction]: Number of co-enabled transitions 1674 [2021-03-26 05:17:47,247 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:47,247 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:47,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 207 [2021-03-26 05:17:47,248 INFO L480 AbstractCegarLoop]: Abstraction has has 390 places, 557 transitions, 15952 flow [2021-03-26 05:17:47,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:47,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:47,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:47,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-26 05:17:47,248 INFO L428 AbstractCegarLoop]: === Iteration 113 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:47,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:47,248 INFO L82 PathProgramCache]: Analyzing trace with hash 745825088, now seen corresponding path program 41 times [2021-03-26 05:17:47,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:47,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835294897] [2021-03-26 05:17:47,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:47,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:47,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:47,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:47,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:47,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:47,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:47,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:47,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:47,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:47,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:47,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:47,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:47,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:47,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:47,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:47,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:47,340 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:47,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:47,354 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:47,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:47,361 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:47,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:47,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835294897] [2021-03-26 05:17:47,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:47,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:47,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225771666] [2021-03-26 05:17:47,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:47,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:47,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:47,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:47,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:47,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 557 transitions, 15952 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:47,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:47,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:47,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:47,911 INFO L129 PetriNetUnfolder]: 542/1176 cut-off events. [2021-03-26 05:17:47,911 INFO L130 PetriNetUnfolder]: For 57160/57170 co-relation queries the response was YES. [2021-03-26 05:17:47,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14850 conditions, 1176 events. 542/1176 cut-off events. For 57160/57170 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 7446 event pairs, 10 based on Foata normal form. 11/1067 useless extension candidates. Maximal degree in co-relation 14625. Up to 672 conditions per place. [2021-03-26 05:17:47,928 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 354 selfloop transitions, 204 changer transitions 9/585 dead transitions. [2021-03-26 05:17:47,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 585 transitions, 17854 flow [2021-03-26 05:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:17:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:17:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 05:17:47,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4842032967032967 [2021-03-26 05:17:47,929 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 05:17:47,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 05:17:47,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:47,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 05:17:47,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:47,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:47,931 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:47,931 INFO L185 Difference]: Start difference. First operand has 390 places, 557 transitions, 15952 flow. Second operand 13 states and 705 transitions. [2021-03-26 05:17:47,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 585 transitions, 17854 flow [2021-03-26 05:17:48,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 585 transitions, 17464 flow, removed 35 selfloop flow, removed 13 redundant places. [2021-03-26 05:17:48,274 INFO L241 Difference]: Finished difference. Result has 394 places, 568 transitions, 16541 flow [2021-03-26 05:17:48,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=15568, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16541, PETRI_PLACES=394, PETRI_TRANSITIONS=568} [2021-03-26 05:17:48,274 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 341 predicate places. [2021-03-26 05:17:48,274 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:48,274 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 394 places, 568 transitions, 16541 flow [2021-03-26 05:17:48,274 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 394 places, 568 transitions, 16541 flow [2021-03-26 05:17:48,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 392 places, 568 transitions, 16541 flow [2021-03-26 05:17:48,427 INFO L129 PetriNetUnfolder]: 452/1010 cut-off events. [2021-03-26 05:17:48,427 INFO L130 PetriNetUnfolder]: For 52932/52953 co-relation queries the response was YES. [2021-03-26 05:17:48,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12958 conditions, 1010 events. 452/1010 cut-off events. For 52932/52953 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 6497 event pairs, 4 based on Foata normal form. 13/923 useless extension candidates. Maximal degree in co-relation 12792. Up to 338 conditions per place. [2021-03-26 05:17:48,448 INFO L142 LiptonReduction]: Number of co-enabled transitions 1702 [2021-03-26 05:17:48,483 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:48,483 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:48,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 209 [2021-03-26 05:17:48,483 INFO L480 AbstractCegarLoop]: Abstraction has has 392 places, 568 transitions, 16541 flow [2021-03-26 05:17:48,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:48,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:48,484 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:48,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-26 05:17:48,484 INFO L428 AbstractCegarLoop]: === Iteration 114 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:48,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:48,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1992071816, now seen corresponding path program 42 times [2021-03-26 05:17:48,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:48,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521706345] [2021-03-26 05:17:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:48,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:48,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:48,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:48,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:48,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:48,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:48,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:48,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:48,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:48,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:48,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:48,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:48,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:48,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:48,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:48,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:48,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:48,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:48,563 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:48,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:48,576 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:48,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:48,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521706345] [2021-03-26 05:17:48,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:48,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:17:48,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923805326] [2021-03-26 05:17:48,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:17:48,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:48,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:17:48,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:17:48,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:48,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 568 transitions, 16541 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:48,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:48,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:48,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:49,208 INFO L129 PetriNetUnfolder]: 547/1199 cut-off events. [2021-03-26 05:17:49,208 INFO L130 PetriNetUnfolder]: For 59626/59638 co-relation queries the response was YES. [2021-03-26 05:17:49,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15443 conditions, 1199 events. 547/1199 cut-off events. For 59626/59638 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 7747 event pairs, 3 based on Foata normal form. 14/1091 useless extension candidates. Maximal degree in co-relation 15275. Up to 693 conditions per place. [2021-03-26 05:17:49,225 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 430 selfloop transitions, 146 changer transitions 1/595 dead transitions. [2021-03-26 05:17:49,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 595 transitions, 18675 flow [2021-03-26 05:17:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:17:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:17:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 760 transitions. [2021-03-26 05:17:49,226 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4846938775510204 [2021-03-26 05:17:49,226 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 760 transitions. [2021-03-26 05:17:49,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 760 transitions. [2021-03-26 05:17:49,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:49,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 760 transitions. [2021-03-26 05:17:49,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.285714285714285) internal successors, (760), 14 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:49,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 112.0) internal successors, (1680), 15 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:49,228 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 112.0) internal successors, (1680), 15 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:49,228 INFO L185 Difference]: Start difference. First operand has 392 places, 568 transitions, 16541 flow. Second operand 14 states and 760 transitions. [2021-03-26 05:17:49,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 595 transitions, 18675 flow [2021-03-26 05:17:49,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 595 transitions, 18080 flow, removed 154 selfloop flow, removed 8 redundant places. [2021-03-26 05:17:49,598 INFO L241 Difference]: Finished difference. Result has 399 places, 583 transitions, 17170 flow [2021-03-26 05:17:49,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=15948, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17170, PETRI_PLACES=399, PETRI_TRANSITIONS=583} [2021-03-26 05:17:49,599 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 346 predicate places. [2021-03-26 05:17:49,599 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:49,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 583 transitions, 17170 flow [2021-03-26 05:17:49,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 583 transitions, 17170 flow [2021-03-26 05:17:49,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 399 places, 583 transitions, 17170 flow [2021-03-26 05:17:49,767 INFO L129 PetriNetUnfolder]: 479/1101 cut-off events. [2021-03-26 05:17:49,768 INFO L130 PetriNetUnfolder]: For 55498/55528 co-relation queries the response was YES. [2021-03-26 05:17:49,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13728 conditions, 1101 events. 479/1101 cut-off events. For 55498/55528 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7207 event pairs, 2 based on Foata normal form. 8/986 useless extension candidates. Maximal degree in co-relation 13509. Up to 351 conditions per place. [2021-03-26 05:17:49,791 INFO L142 LiptonReduction]: Number of co-enabled transitions 1844 [2021-03-26 05:17:49,828 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:49,828 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:49,828 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 229 [2021-03-26 05:17:49,829 INFO L480 AbstractCegarLoop]: Abstraction has has 399 places, 583 transitions, 17170 flow [2021-03-26 05:17:49,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:49,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:49,829 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:49,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-26 05:17:49,829 INFO L428 AbstractCegarLoop]: === Iteration 115 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:49,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:49,829 INFO L82 PathProgramCache]: Analyzing trace with hash 211683434, now seen corresponding path program 43 times [2021-03-26 05:17:49,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:49,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102843118] [2021-03-26 05:17:49,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:49,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:49,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:49,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:49,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:49,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:49,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:49,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:49,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:49,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:49,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:49,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:49,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:49,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:49,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:49,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:49,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:49,884 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:49,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:49,895 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:49,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:49,907 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:49,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:49,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102843118] [2021-03-26 05:17:49,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:49,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:49,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942366701] [2021-03-26 05:17:49,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:49,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:49,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:49,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:49,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:49,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 583 transitions, 17170 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:49,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:49,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:49,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:50,471 INFO L129 PetriNetUnfolder]: 560/1247 cut-off events. [2021-03-26 05:17:50,471 INFO L130 PetriNetUnfolder]: For 63605/63611 co-relation queries the response was YES. [2021-03-26 05:17:50,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15722 conditions, 1247 events. 560/1247 cut-off events. For 63605/63611 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8220 event pairs, 3 based on Foata normal form. 7/1118 useless extension candidates. Maximal degree in co-relation 15495. Up to 696 conditions per place. [2021-03-26 05:17:50,490 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 437 selfloop transitions, 146 changer transitions 0/601 dead transitions. [2021-03-26 05:17:50,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 601 transitions, 18845 flow [2021-03-26 05:17:50,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:17:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:17:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 608 transitions. [2021-03-26 05:17:50,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4935064935064935 [2021-03-26 05:17:50,491 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 608 transitions. [2021-03-26 05:17:50,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 608 transitions. [2021-03-26 05:17:50,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:50,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 608 transitions. [2021-03-26 05:17:50,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.27272727272727) internal successors, (608), 11 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:50,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:50,492 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:50,492 INFO L185 Difference]: Start difference. First operand has 399 places, 583 transitions, 17170 flow. Second operand 11 states and 608 transitions. [2021-03-26 05:17:50,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 601 transitions, 18845 flow [2021-03-26 05:17:50,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 601 transitions, 17870 flow, removed 424 selfloop flow, removed 5 redundant places. [2021-03-26 05:17:50,870 INFO L241 Difference]: Finished difference. Result has 408 places, 591 transitions, 16967 flow [2021-03-26 05:17:50,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=16297, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16967, PETRI_PLACES=408, PETRI_TRANSITIONS=591} [2021-03-26 05:17:50,871 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 355 predicate places. [2021-03-26 05:17:50,871 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:50,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 408 places, 591 transitions, 16967 flow [2021-03-26 05:17:50,871 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 408 places, 591 transitions, 16967 flow [2021-03-26 05:17:50,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 408 places, 591 transitions, 16967 flow [2021-03-26 05:17:51,046 INFO L129 PetriNetUnfolder]: 502/1168 cut-off events. [2021-03-26 05:17:51,046 INFO L130 PetriNetUnfolder]: For 58548/58555 co-relation queries the response was YES. [2021-03-26 05:17:51,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13987 conditions, 1168 events. 502/1168 cut-off events. For 58548/58555 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 7836 event pairs, 2 based on Foata normal form. 5/1039 useless extension candidates. Maximal degree in co-relation 13764. Up to 345 conditions per place. [2021-03-26 05:17:51,071 INFO L142 LiptonReduction]: Number of co-enabled transitions 1912 [2021-03-26 05:17:51,108 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:51,108 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:51,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 237 [2021-03-26 05:17:51,109 INFO L480 AbstractCegarLoop]: Abstraction has has 408 places, 591 transitions, 16967 flow [2021-03-26 05:17:51,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:51,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:51,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:51,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-26 05:17:51,109 INFO L428 AbstractCegarLoop]: === Iteration 116 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:51,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:51,109 INFO L82 PathProgramCache]: Analyzing trace with hash -395724298, now seen corresponding path program 44 times [2021-03-26 05:17:51,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:51,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654969703] [2021-03-26 05:17:51,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:51,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:51,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:51,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:51,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:51,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:51,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:51,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:51,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:51,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:51,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:51,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:51,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:51,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:51,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:51,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:51,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:51,199 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:51,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:51,210 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:17:51,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:51,222 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:51,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:51,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:51,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654969703] [2021-03-26 05:17:51,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:51,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:51,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632703623] [2021-03-26 05:17:51,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:51,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:51,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:51,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:51,225 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:51,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 591 transitions, 16967 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:51,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:51,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:51,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:51,759 INFO L129 PetriNetUnfolder]: 562/1256 cut-off events. [2021-03-26 05:17:51,759 INFO L130 PetriNetUnfolder]: For 61396/61402 co-relation queries the response was YES. [2021-03-26 05:17:51,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15621 conditions, 1256 events. 562/1256 cut-off events. For 61396/61402 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8296 event pairs, 3 based on Foata normal form. 7/1126 useless extension candidates. Maximal degree in co-relation 15390. Up to 793 conditions per place. [2021-03-26 05:17:51,778 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 531 selfloop transitions, 54 changer transitions 3/606 dead transitions. [2021-03-26 05:17:51,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 606 transitions, 18546 flow [2021-03-26 05:17:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:17:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:17:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 593 transitions. [2021-03-26 05:17:51,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48133116883116883 [2021-03-26 05:17:51,779 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 593 transitions. [2021-03-26 05:17:51,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 593 transitions. [2021-03-26 05:17:51,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:51,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 593 transitions. [2021-03-26 05:17:51,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.90909090909091) internal successors, (593), 11 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:51,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:51,780 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:51,780 INFO L185 Difference]: Start difference. First operand has 408 places, 591 transitions, 16967 flow. Second operand 11 states and 593 transitions. [2021-03-26 05:17:51,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 606 transitions, 18546 flow [2021-03-26 05:17:52,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 606 transitions, 18189 flow, removed 90 selfloop flow, removed 5 redundant places. [2021-03-26 05:17:52,146 INFO L241 Difference]: Finished difference. Result has 416 places, 593 transitions, 16896 flow [2021-03-26 05:17:52,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=16610, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16896, PETRI_PLACES=416, PETRI_TRANSITIONS=593} [2021-03-26 05:17:52,146 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 363 predicate places. [2021-03-26 05:17:52,146 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:52,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 593 transitions, 16896 flow [2021-03-26 05:17:52,146 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 593 transitions, 16896 flow [2021-03-26 05:17:52,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 414 places, 593 transitions, 16896 flow [2021-03-26 05:17:52,319 INFO L129 PetriNetUnfolder]: 495/1142 cut-off events. [2021-03-26 05:17:52,319 INFO L130 PetriNetUnfolder]: For 59056/59121 co-relation queries the response was YES. [2021-03-26 05:17:52,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13882 conditions, 1142 events. 495/1142 cut-off events. For 59056/59121 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 7715 event pairs, 7 based on Foata normal form. 6/1018 useless extension candidates. Maximal degree in co-relation 13706. Up to 343 conditions per place. [2021-03-26 05:17:52,344 INFO L142 LiptonReduction]: Number of co-enabled transitions 1930 [2021-03-26 05:17:52,384 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:52,384 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:52,384 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 238 [2021-03-26 05:17:52,384 INFO L480 AbstractCegarLoop]: Abstraction has has 414 places, 593 transitions, 16896 flow [2021-03-26 05:17:52,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:52,384 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:52,384 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:52,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-26 05:17:52,385 INFO L428 AbstractCegarLoop]: === Iteration 117 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:52,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:52,385 INFO L82 PathProgramCache]: Analyzing trace with hash 453849460, now seen corresponding path program 45 times [2021-03-26 05:17:52,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:52,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523722771] [2021-03-26 05:17:52,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:52,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:52,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:52,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:52,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:52,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:52,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:52,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:52,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:52,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:52,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:52,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:52,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:52,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:52,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:52,463 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:17:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:17:52,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:52,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:52,477 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:52,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:52,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523722771] [2021-03-26 05:17:52,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:52,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:52,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697896255] [2021-03-26 05:17:52,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:52,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:52,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:52,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:52,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:52,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 593 transitions, 16896 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:52,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:52,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:52,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:53,044 INFO L129 PetriNetUnfolder]: 573/1289 cut-off events. [2021-03-26 05:17:53,044 INFO L130 PetriNetUnfolder]: For 63343/63353 co-relation queries the response was YES. [2021-03-26 05:17:53,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15858 conditions, 1289 events. 573/1289 cut-off events. For 63343/63353 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8587 event pairs, 2 based on Foata normal form. 12/1155 useless extension candidates. Maximal degree in co-relation 15679. Up to 710 conditions per place. [2021-03-26 05:17:53,064 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 392 selfloop transitions, 194 changer transitions 7/611 dead transitions. [2021-03-26 05:17:53,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 611 transitions, 18652 flow [2021-03-26 05:17:53,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:17:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:17:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 607 transitions. [2021-03-26 05:17:53,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4926948051948052 [2021-03-26 05:17:53,065 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 607 transitions. [2021-03-26 05:17:53,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 607 transitions. [2021-03-26 05:17:53,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:53,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 607 transitions. [2021-03-26 05:17:53,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.18181818181818) internal successors, (607), 11 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:53,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:53,066 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:53,066 INFO L185 Difference]: Start difference. First operand has 414 places, 593 transitions, 16896 flow. Second operand 11 states and 607 transitions. [2021-03-26 05:17:53,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 611 transitions, 18652 flow [2021-03-26 05:17:53,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 611 transitions, 18489 flow, removed 55 selfloop flow, removed 6 redundant places. [2021-03-26 05:17:53,445 INFO L241 Difference]: Finished difference. Result has 421 places, 596 transitions, 17473 flow [2021-03-26 05:17:53,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=16733, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17473, PETRI_PLACES=421, PETRI_TRANSITIONS=596} [2021-03-26 05:17:53,445 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 368 predicate places. [2021-03-26 05:17:53,445 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:53,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 596 transitions, 17473 flow [2021-03-26 05:17:53,445 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 596 transitions, 17473 flow [2021-03-26 05:17:53,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 421 places, 596 transitions, 17473 flow [2021-03-26 05:17:53,623 INFO L129 PetriNetUnfolder]: 490/1154 cut-off events. [2021-03-26 05:17:53,623 INFO L130 PetriNetUnfolder]: For 60652/60677 co-relation queries the response was YES. [2021-03-26 05:17:53,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14041 conditions, 1154 events. 490/1154 cut-off events. For 60652/60677 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 7808 event pairs, 3 based on Foata normal form. 9/1027 useless extension candidates. Maximal degree in co-relation 13811. Up to 333 conditions per place. [2021-03-26 05:17:53,648 INFO L142 LiptonReduction]: Number of co-enabled transitions 1994 [2021-03-26 05:17:53,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:53,687 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:53,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-03-26 05:17:53,688 INFO L480 AbstractCegarLoop]: Abstraction has has 421 places, 596 transitions, 17473 flow [2021-03-26 05:17:53,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:53,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:53,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:53,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-26 05:17:53,688 INFO L428 AbstractCegarLoop]: === Iteration 118 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:53,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:53,688 INFO L82 PathProgramCache]: Analyzing trace with hash -969623520, now seen corresponding path program 46 times [2021-03-26 05:17:53,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:53,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297839807] [2021-03-26 05:17:53,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:53,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:53,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:53,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:53,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:53,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:53,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:53,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:53,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:53,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:53,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:53,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:53,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:53,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:53,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:53,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:53,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:53,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:53,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:53,756 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:53,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:53,760 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:53,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:53,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297839807] [2021-03-26 05:17:53,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:53,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:17:53,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103415489] [2021-03-26 05:17:53,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:17:53,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:53,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:17:53,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:17:53,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 05:17:53,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 596 transitions, 17473 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:53,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:53,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 05:17:53,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:54,267 INFO L129 PetriNetUnfolder]: 568/1276 cut-off events. [2021-03-26 05:17:54,267 INFO L130 PetriNetUnfolder]: For 65474/65484 co-relation queries the response was YES. [2021-03-26 05:17:54,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15969 conditions, 1276 events. 568/1276 cut-off events. For 65474/65484 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8496 event pairs, 10 based on Foata normal form. 11/1144 useless extension candidates. Maximal degree in co-relation 15731. Up to 758 conditions per place. [2021-03-26 05:17:54,287 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 469 selfloop transitions, 122 changer transitions 0/609 dead transitions. [2021-03-26 05:17:54,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 609 transitions, 18945 flow [2021-03-26 05:17:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:17:54,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:17:54,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 548 transitions. [2021-03-26 05:17:54,288 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48928571428571427 [2021-03-26 05:17:54,289 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 548 transitions. [2021-03-26 05:17:54,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 548 transitions. [2021-03-26 05:17:54,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:54,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 548 transitions. [2021-03-26 05:17:54,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.8) internal successors, (548), 10 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:54,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 112.0) internal successors, (1232), 11 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:54,290 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 112.0) internal successors, (1232), 11 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:54,290 INFO L185 Difference]: Start difference. First operand has 421 places, 596 transitions, 17473 flow. Second operand 10 states and 548 transitions. [2021-03-26 05:17:54,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 609 transitions, 18945 flow [2021-03-26 05:17:54,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 609 transitions, 18401 flow, removed 196 selfloop flow, removed 5 redundant places. [2021-03-26 05:17:54,678 INFO L241 Difference]: Finished difference. Result has 428 places, 602 transitions, 17517 flow [2021-03-26 05:17:54,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=16929, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=17517, PETRI_PLACES=428, PETRI_TRANSITIONS=602} [2021-03-26 05:17:54,679 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 375 predicate places. [2021-03-26 05:17:54,679 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:54,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 602 transitions, 17517 flow [2021-03-26 05:17:54,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 602 transitions, 17517 flow [2021-03-26 05:17:54,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 602 transitions, 17517 flow [2021-03-26 05:17:54,860 INFO L129 PetriNetUnfolder]: 501/1184 cut-off events. [2021-03-26 05:17:54,860 INFO L130 PetriNetUnfolder]: For 62049/62076 co-relation queries the response was YES. [2021-03-26 05:17:54,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14157 conditions, 1184 events. 501/1184 cut-off events. For 62049/62076 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8044 event pairs, 0 based on Foata normal form. 11/1050 useless extension candidates. Maximal degree in co-relation 13923. Up to 328 conditions per place. [2021-03-26 05:17:54,887 INFO L142 LiptonReduction]: Number of co-enabled transitions 2030 [2021-03-26 05:17:55,001 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:17:55,001 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:17:55,002 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 323 [2021-03-26 05:17:55,002 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 602 transitions, 17578 flow [2021-03-26 05:17:55,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:55,002 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:55,002 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:55,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-26 05:17:55,002 INFO L428 AbstractCegarLoop]: === Iteration 119 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:55,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:55,003 INFO L82 PathProgramCache]: Analyzing trace with hash -376143516, now seen corresponding path program 47 times [2021-03-26 05:17:55,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:55,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941801748] [2021-03-26 05:17:55,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:55,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:55,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:55,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:55,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:55,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:55,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:55,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:55,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:55,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:55,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:55,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:55,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:55,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:55,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:55,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:55,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:55,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:55,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:55,079 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:55,082 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:55,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:55,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941801748] [2021-03-26 05:17:55,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:55,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:55,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675897191] [2021-03-26 05:17:55,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:55,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:55,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:55,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:55,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 113 [2021-03-26 05:17:55,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 602 transitions, 17578 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:55,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:55,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 113 [2021-03-26 05:17:55,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:55,701 INFO L129 PetriNetUnfolder]: 568/1284 cut-off events. [2021-03-26 05:17:55,701 INFO L130 PetriNetUnfolder]: For 66789/66799 co-relation queries the response was YES. [2021-03-26 05:17:55,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16039 conditions, 1284 events. 568/1284 cut-off events. For 66789/66799 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8584 event pairs, 10 based on Foata normal form. 11/1152 useless extension candidates. Maximal degree in co-relation 15797. Up to 712 conditions per place. [2021-03-26 05:17:55,722 INFO L132 encePairwiseOnDemand]: 96/113 looper letters, 446 selfloop transitions, 151 changer transitions 0/615 dead transitions. [2021-03-26 05:17:55,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 615 transitions, 19035 flow [2021-03-26 05:17:55,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:17:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:17:55,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 607 transitions. [2021-03-26 05:17:55,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4883346741753821 [2021-03-26 05:17:55,723 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 607 transitions. [2021-03-26 05:17:55,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 607 transitions. [2021-03-26 05:17:55,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:55,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 607 transitions. [2021-03-26 05:17:55,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.18181818181818) internal successors, (607), 11 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:55,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:55,724 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:55,724 INFO L185 Difference]: Start difference. First operand has 428 places, 602 transitions, 17578 flow. Second operand 11 states and 607 transitions. [2021-03-26 05:17:55,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 615 transitions, 19035 flow [2021-03-26 05:17:56,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 615 transitions, 18627 flow, removed 119 selfloop flow, removed 5 redundant places. [2021-03-26 05:17:56,129 INFO L241 Difference]: Finished difference. Result has 436 places, 606 transitions, 17786 flow [2021-03-26 05:17:56,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=17170, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17786, PETRI_PLACES=436, PETRI_TRANSITIONS=606} [2021-03-26 05:17:56,130 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 383 predicate places. [2021-03-26 05:17:56,130 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:56,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 436 places, 606 transitions, 17786 flow [2021-03-26 05:17:56,130 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 436 places, 606 transitions, 17786 flow [2021-03-26 05:17:56,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 436 places, 606 transitions, 17786 flow [2021-03-26 05:17:56,315 INFO L129 PetriNetUnfolder]: 496/1164 cut-off events. [2021-03-26 05:17:56,315 INFO L130 PetriNetUnfolder]: For 65693/65708 co-relation queries the response was YES. [2021-03-26 05:17:56,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14182 conditions, 1164 events. 496/1164 cut-off events. For 65693/65708 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 7988 event pairs, 3 based on Foata normal form. 9/1036 useless extension candidates. Maximal degree in co-relation 13944. Up to 329 conditions per place. [2021-03-26 05:17:56,342 INFO L142 LiptonReduction]: Number of co-enabled transitions 2058 [2021-03-26 05:17:56,383 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:56,383 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:56,383 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 253 [2021-03-26 05:17:56,383 INFO L480 AbstractCegarLoop]: Abstraction has has 436 places, 606 transitions, 17786 flow [2021-03-26 05:17:56,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:56,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:56,383 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:56,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-26 05:17:56,383 INFO L428 AbstractCegarLoop]: === Iteration 120 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:56,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:56,384 INFO L82 PathProgramCache]: Analyzing trace with hash 154145788, now seen corresponding path program 48 times [2021-03-26 05:17:56,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:56,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368003605] [2021-03-26 05:17:56,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:56,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:56,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:56,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:56,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:56,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:56,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:56,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:56,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:56,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:56,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:56,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:17:56,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:56,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:56,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:56,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:56,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:56,471 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:56,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:56,474 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:56,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:56,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368003605] [2021-03-26 05:17:56,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:56,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:17:56,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698462246] [2021-03-26 05:17:56,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:17:56,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:56,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:17:56,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:17:56,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 113 [2021-03-26 05:17:56,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 606 transitions, 17786 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:56,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:56,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 113 [2021-03-26 05:17:56,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:56,991 INFO L129 PetriNetUnfolder]: 574/1303 cut-off events. [2021-03-26 05:17:56,991 INFO L130 PetriNetUnfolder]: For 68168/68172 co-relation queries the response was YES. [2021-03-26 05:17:57,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16229 conditions, 1303 events. 574/1303 cut-off events. For 68168/68172 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8770 event pairs, 10 based on Foata normal form. 5/1159 useless extension candidates. Maximal degree in co-relation 15983. Up to 769 conditions per place. [2021-03-26 05:17:57,013 INFO L132 encePairwiseOnDemand]: 96/113 looper letters, 471 selfloop transitions, 129 changer transitions 0/618 dead transitions. [2021-03-26 05:17:57,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 618 transitions, 19179 flow [2021-03-26 05:17:57,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:17:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:17:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 657 transitions. [2021-03-26 05:17:57,014 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48451327433628316 [2021-03-26 05:17:57,015 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 657 transitions. [2021-03-26 05:17:57,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 657 transitions. [2021-03-26 05:17:57,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:57,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 657 transitions. [2021-03-26 05:17:57,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.75) internal successors, (657), 12 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:57,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 113.0) internal successors, (1469), 13 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:57,016 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 113.0) internal successors, (1469), 13 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:57,016 INFO L185 Difference]: Start difference. First operand has 436 places, 606 transitions, 17786 flow. Second operand 12 states and 657 transitions. [2021-03-26 05:17:57,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 618 transitions, 19179 flow [2021-03-26 05:17:57,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 618 transitions, 18616 flow, removed 100 selfloop flow, removed 9 redundant places. [2021-03-26 05:17:57,457 INFO L241 Difference]: Finished difference. Result has 441 places, 609 transitions, 17712 flow [2021-03-26 05:17:57,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=17229, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17712, PETRI_PLACES=441, PETRI_TRANSITIONS=609} [2021-03-26 05:17:57,457 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 388 predicate places. [2021-03-26 05:17:57,457 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:57,457 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 609 transitions, 17712 flow [2021-03-26 05:17:57,457 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 609 transitions, 17712 flow [2021-03-26 05:17:57,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 441 places, 609 transitions, 17712 flow [2021-03-26 05:17:57,647 INFO L129 PetriNetUnfolder]: 508/1209 cut-off events. [2021-03-26 05:17:57,647 INFO L130 PetriNetUnfolder]: For 62216/62243 co-relation queries the response was YES. [2021-03-26 05:17:57,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14306 conditions, 1209 events. 508/1209 cut-off events. For 62216/62243 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8338 event pairs, 5 based on Foata normal form. 11/1068 useless extension candidates. Maximal degree in co-relation 14109. Up to 328 conditions per place. [2021-03-26 05:17:57,675 INFO L142 LiptonReduction]: Number of co-enabled transitions 2082 [2021-03-26 05:17:57,716 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:17:57,716 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:17:57,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 259 [2021-03-26 05:17:57,716 INFO L480 AbstractCegarLoop]: Abstraction has has 441 places, 609 transitions, 17712 flow [2021-03-26 05:17:57,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:57,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:57,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:57,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-26 05:17:57,717 INFO L428 AbstractCegarLoop]: === Iteration 121 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:57,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:57,717 INFO L82 PathProgramCache]: Analyzing trace with hash 53660380, now seen corresponding path program 49 times [2021-03-26 05:17:57,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:57,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438901787] [2021-03-26 05:17:57,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:57,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:57,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:57,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:57,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:57,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:57,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:57,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:57,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:57,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:57,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:57,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:57,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:57,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:57,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:57,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:57,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:57,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:57,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:57,797 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:57,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:57,802 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:17:57,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:57,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438901787] [2021-03-26 05:17:57,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:57,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:17:57,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477034343] [2021-03-26 05:17:57,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:17:57,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:57,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:17:57,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:17:57,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 113 [2021-03-26 05:17:57,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 609 transitions, 17712 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:57,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:57,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 113 [2021-03-26 05:17:57,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:58,328 INFO L129 PetriNetUnfolder]: 583/1330 cut-off events. [2021-03-26 05:17:58,329 INFO L130 PetriNetUnfolder]: For 68709/68715 co-relation queries the response was YES. [2021-03-26 05:17:58,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16196 conditions, 1330 events. 583/1330 cut-off events. For 68709/68715 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9072 event pairs, 2 based on Foata normal form. 7/1179 useless extension candidates. Maximal degree in co-relation 15995. Up to 828 conditions per place. [2021-03-26 05:17:58,352 INFO L132 encePairwiseOnDemand]: 97/113 looper letters, 557 selfloop transitions, 45 changer transitions 0/620 dead transitions. [2021-03-26 05:17:58,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 620 transitions, 19188 flow [2021-03-26 05:17:58,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:17:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:17:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 539 transitions. [2021-03-26 05:17:58,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47699115044247786 [2021-03-26 05:17:58,353 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 539 transitions. [2021-03-26 05:17:58,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 539 transitions. [2021-03-26 05:17:58,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:58,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 539 transitions. [2021-03-26 05:17:58,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 53.9) internal successors, (539), 10 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:58,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 113.0) internal successors, (1243), 11 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:58,354 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 113.0) internal successors, (1243), 11 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:58,354 INFO L185 Difference]: Start difference. First operand has 441 places, 609 transitions, 17712 flow. Second operand 10 states and 539 transitions. [2021-03-26 05:17:58,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 620 transitions, 19188 flow [2021-03-26 05:17:58,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 620 transitions, 18805 flow, removed 102 selfloop flow, removed 7 redundant places. [2021-03-26 05:17:58,806 INFO L241 Difference]: Finished difference. Result has 446 places, 613 transitions, 17666 flow [2021-03-26 05:17:58,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=17329, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=17666, PETRI_PLACES=446, PETRI_TRANSITIONS=613} [2021-03-26 05:17:58,806 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 393 predicate places. [2021-03-26 05:17:58,806 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:17:58,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 446 places, 613 transitions, 17666 flow [2021-03-26 05:17:58,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 446 places, 613 transitions, 17666 flow [2021-03-26 05:17:58,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 613 transitions, 17666 flow [2021-03-26 05:17:59,025 INFO L129 PetriNetUnfolder]: 510/1225 cut-off events. [2021-03-26 05:17:59,025 INFO L130 PetriNetUnfolder]: For 62935/62958 co-relation queries the response was YES. [2021-03-26 05:17:59,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14278 conditions, 1225 events. 510/1225 cut-off events. For 62935/62958 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8550 event pairs, 1 based on Foata normal form. 8/1079 useless extension candidates. Maximal degree in co-relation 14078. Up to 329 conditions per place. [2021-03-26 05:17:59,052 INFO L142 LiptonReduction]: Number of co-enabled transitions 2110 [2021-03-26 05:17:59,159 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:17:59,159 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:17:59,159 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 353 [2021-03-26 05:17:59,159 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 613 transitions, 17729 flow [2021-03-26 05:17:59,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:59,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:17:59,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:17:59,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-26 05:17:59,159 INFO L428 AbstractCegarLoop]: === Iteration 122 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:17:59,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:17:59,160 INFO L82 PathProgramCache]: Analyzing trace with hash 92912128, now seen corresponding path program 50 times [2021-03-26 05:17:59,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:17:59,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466355040] [2021-03-26 05:17:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:17:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:17:59,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:59,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:17:59,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:59,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:17:59,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:59,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:59,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:59,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:59,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:59,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:59,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:59,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:59,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:59,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:59,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:59,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:59,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:17:59,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:17:59,234 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:17:59,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:17:59,238 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:17:59,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:17:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:17:59,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466355040] [2021-03-26 05:17:59,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:17:59,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:17:59,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559615567] [2021-03-26 05:17:59,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:17:59,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:17:59,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:17:59,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:17:59,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 114 [2021-03-26 05:17:59,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 613 transitions, 17729 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:59,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:17:59,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 114 [2021-03-26 05:17:59,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:17:59,869 INFO L129 PetriNetUnfolder]: 583/1337 cut-off events. [2021-03-26 05:17:59,870 INFO L130 PetriNetUnfolder]: For 69115/69121 co-relation queries the response was YES. [2021-03-26 05:17:59,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16199 conditions, 1337 events. 583/1337 cut-off events. For 69115/69121 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9155 event pairs, 2 based on Foata normal form. 7/1185 useless extension candidates. Maximal degree in co-relation 15995. Up to 764 conditions per place. [2021-03-26 05:17:59,892 INFO L132 encePairwiseOnDemand]: 97/114 looper letters, 467 selfloop transitions, 142 changer transitions 0/627 dead transitions. [2021-03-26 05:17:59,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 627 transitions, 19154 flow [2021-03-26 05:17:59,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:17:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:17:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 765 transitions. [2021-03-26 05:17:59,893 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4793233082706767 [2021-03-26 05:17:59,893 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 765 transitions. [2021-03-26 05:17:59,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 765 transitions. [2021-03-26 05:17:59,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:17:59,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 765 transitions. [2021-03-26 05:17:59,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.642857142857146) internal successors, (765), 14 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:59,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 114.0) internal successors, (1710), 15 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:59,895 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 114.0) internal successors, (1710), 15 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:17:59,895 INFO L185 Difference]: Start difference. First operand has 446 places, 613 transitions, 17729 flow. Second operand 14 states and 765 transitions. [2021-03-26 05:17:59,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 627 transitions, 19154 flow [2021-03-26 05:18:00,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 627 transitions, 18821 flow, removed 122 selfloop flow, removed 7 redundant places. [2021-03-26 05:18:00,355 INFO L241 Difference]: Finished difference. Result has 455 places, 616 transitions, 17921 flow [2021-03-26 05:18:00,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=17396, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17921, PETRI_PLACES=455, PETRI_TRANSITIONS=616} [2021-03-26 05:18:00,355 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 402 predicate places. [2021-03-26 05:18:00,355 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:00,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 616 transitions, 17921 flow [2021-03-26 05:18:00,356 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 616 transitions, 17921 flow [2021-03-26 05:18:00,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 455 places, 616 transitions, 17921 flow [2021-03-26 05:18:00,547 INFO L129 PetriNetUnfolder]: 513/1222 cut-off events. [2021-03-26 05:18:00,547 INFO L130 PetriNetUnfolder]: For 69680/69701 co-relation queries the response was YES. [2021-03-26 05:18:00,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14453 conditions, 1222 events. 513/1222 cut-off events. For 69680/69701 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8585 event pairs, 0 based on Foata normal form. 8/1079 useless extension candidates. Maximal degree in co-relation 14250. Up to 335 conditions per place. [2021-03-26 05:18:00,575 INFO L142 LiptonReduction]: Number of co-enabled transitions 2134 [2021-03-26 05:18:00,617 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:00,618 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:00,618 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-26 05:18:00,618 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 616 transitions, 17921 flow [2021-03-26 05:18:00,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:00,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:00,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:00,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-26 05:18:00,618 INFO L428 AbstractCegarLoop]: === Iteration 123 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:00,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:00,618 INFO L82 PathProgramCache]: Analyzing trace with hash 136016186, now seen corresponding path program 51 times [2021-03-26 05:18:00,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:00,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275042758] [2021-03-26 05:18:00,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:00,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:00,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:00,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:00,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:00,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:00,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:00,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:00,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:00,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:00,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:00,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:00,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:00,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:00,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:00,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:00,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:00,696 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:00,700 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:00,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:00,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275042758] [2021-03-26 05:18:00,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:00,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:00,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941513420] [2021-03-26 05:18:00,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:00,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:00,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:00,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:00,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 114 [2021-03-26 05:18:00,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 616 transitions, 17921 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:00,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:00,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 114 [2021-03-26 05:18:00,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:01,338 INFO L129 PetriNetUnfolder]: 590/1367 cut-off events. [2021-03-26 05:18:01,338 INFO L130 PetriNetUnfolder]: For 70639/70649 co-relation queries the response was YES. [2021-03-26 05:18:01,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16415 conditions, 1367 events. 590/1367 cut-off events. For 70639/70649 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 9441 event pairs, 10 based on Foata normal form. 11/1212 useless extension candidates. Maximal degree in co-relation 16208. Up to 784 conditions per place. [2021-03-26 05:18:01,356 INFO L132 encePairwiseOnDemand]: 98/114 looper letters, 485 selfloop transitions, 126 changer transitions 0/629 dead transitions. [2021-03-26 05:18:01,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 629 transitions, 19409 flow [2021-03-26 05:18:01,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 648 transitions. [2021-03-26 05:18:01,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2021-03-26 05:18:01,357 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 648 transitions. [2021-03-26 05:18:01,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 648 transitions. [2021-03-26 05:18:01,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:01,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 648 transitions. [2021-03-26 05:18:01,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.0) internal successors, (648), 12 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:01,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:01,358 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:01,358 INFO L185 Difference]: Start difference. First operand has 455 places, 616 transitions, 17921 flow. Second operand 12 states and 648 transitions. [2021-03-26 05:18:01,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 629 transitions, 19409 flow [2021-03-26 05:18:01,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 629 transitions, 19039 flow, removed 22 selfloop flow, removed 12 redundant places. [2021-03-26 05:18:01,829 INFO L241 Difference]: Finished difference. Result has 458 places, 623 transitions, 18070 flow [2021-03-26 05:18:01,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=17553, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18070, PETRI_PLACES=458, PETRI_TRANSITIONS=623} [2021-03-26 05:18:01,829 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 405 predicate places. [2021-03-26 05:18:01,829 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:01,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 623 transitions, 18070 flow [2021-03-26 05:18:01,829 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 623 transitions, 18070 flow [2021-03-26 05:18:01,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 458 places, 623 transitions, 18070 flow [2021-03-26 05:18:02,032 INFO L129 PetriNetUnfolder]: 522/1270 cut-off events. [2021-03-26 05:18:02,032 INFO L130 PetriNetUnfolder]: For 64102/64129 co-relation queries the response was YES. [2021-03-26 05:18:02,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14544 conditions, 1270 events. 522/1270 cut-off events. For 64102/64129 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9016 event pairs, 3 based on Foata normal form. 11/1115 useless extension candidates. Maximal degree in co-relation 14338. Up to 331 conditions per place. [2021-03-26 05:18:02,064 INFO L142 LiptonReduction]: Number of co-enabled transitions 2200 [2021-03-26 05:18:02,107 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:02,107 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:02,107 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 278 [2021-03-26 05:18:02,107 INFO L480 AbstractCegarLoop]: Abstraction has has 458 places, 623 transitions, 18070 flow [2021-03-26 05:18:02,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:02,107 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:02,108 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:02,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-26 05:18:02,108 INFO L428 AbstractCegarLoop]: === Iteration 124 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:02,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1923387554, now seen corresponding path program 52 times [2021-03-26 05:18:02,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:02,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647294116] [2021-03-26 05:18:02,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:02,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:02,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:02,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:02,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:02,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:02,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:02,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:02,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:02,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:02,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:02,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:02,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:02,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:02,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:02,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:02,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:02,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:02,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:02,175 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:02,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:02,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647294116] [2021-03-26 05:18:02,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:02,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:18:02,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665039645] [2021-03-26 05:18:02,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:18:02,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:02,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:18:02,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:18:02,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 114 [2021-03-26 05:18:02,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 623 transitions, 18070 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:02,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:02,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 114 [2021-03-26 05:18:02,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:02,754 INFO L129 PetriNetUnfolder]: 594/1380 cut-off events. [2021-03-26 05:18:02,754 INFO L130 PetriNetUnfolder]: For 70936/70940 co-relation queries the response was YES. [2021-03-26 05:18:02,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16440 conditions, 1380 events. 594/1380 cut-off events. For 70936/70940 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 9574 event pairs, 9 based on Foata normal form. 5/1216 useless extension candidates. Maximal degree in co-relation 16230. Up to 839 conditions per place. [2021-03-26 05:18:02,777 INFO L132 encePairwiseOnDemand]: 97/114 looper letters, 565 selfloop transitions, 51 changer transitions 0/634 dead transitions. [2021-03-26 05:18:02,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 634 transitions, 19506 flow [2021-03-26 05:18:02,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:18:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:18:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 594 transitions. [2021-03-26 05:18:02,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2021-03-26 05:18:02,778 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 594 transitions. [2021-03-26 05:18:02,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 594 transitions. [2021-03-26 05:18:02,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:02,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 594 transitions. [2021-03-26 05:18:02,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:02,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:02,779 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:02,779 INFO L185 Difference]: Start difference. First operand has 458 places, 623 transitions, 18070 flow. Second operand 11 states and 594 transitions. [2021-03-26 05:18:02,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 634 transitions, 19506 flow [2021-03-26 05:18:03,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 634 transitions, 19153 flow, removed 95 selfloop flow, removed 5 redundant places. [2021-03-26 05:18:03,302 INFO L241 Difference]: Finished difference. Result has 466 places, 626 transitions, 17999 flow [2021-03-26 05:18:03,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=17717, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17999, PETRI_PLACES=466, PETRI_TRANSITIONS=626} [2021-03-26 05:18:03,302 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 413 predicate places. [2021-03-26 05:18:03,302 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:03,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 626 transitions, 17999 flow [2021-03-26 05:18:03,302 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 626 transitions, 17999 flow [2021-03-26 05:18:03,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 466 places, 626 transitions, 17999 flow [2021-03-26 05:18:03,506 INFO L129 PetriNetUnfolder]: 527/1284 cut-off events. [2021-03-26 05:18:03,507 INFO L130 PetriNetUnfolder]: For 64572/64595 co-relation queries the response was YES. [2021-03-26 05:18:03,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14782 conditions, 1284 events. 527/1284 cut-off events. For 64572/64595 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 9125 event pairs, 6 based on Foata normal form. 7/1125 useless extension candidates. Maximal degree in co-relation 14573. Up to 335 conditions per place. [2021-03-26 05:18:03,537 INFO L142 LiptonReduction]: Number of co-enabled transitions 2224 [2021-03-26 05:18:03,580 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:03,580 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:03,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 278 [2021-03-26 05:18:03,581 INFO L480 AbstractCegarLoop]: Abstraction has has 466 places, 626 transitions, 17999 flow [2021-03-26 05:18:03,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:03,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:03,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:03,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-26 05:18:03,581 INFO L428 AbstractCegarLoop]: === Iteration 125 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:03,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:03,581 INFO L82 PathProgramCache]: Analyzing trace with hash -987192886, now seen corresponding path program 53 times [2021-03-26 05:18:03,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:03,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56001695] [2021-03-26 05:18:03,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:03,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:03,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:03,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:03,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:03,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:03,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:03,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:03,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:03,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:03,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:03,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:03,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:03,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:03,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:03,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:03,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:03,671 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:03,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:03,675 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:03,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:03,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56001695] [2021-03-26 05:18:03,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:03,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:03,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240533761] [2021-03-26 05:18:03,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:03,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:03,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:03,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:03,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 114 [2021-03-26 05:18:03,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 626 transitions, 17999 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:03,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:03,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 114 [2021-03-26 05:18:03,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:04,265 INFO L129 PetriNetUnfolder]: 600/1400 cut-off events. [2021-03-26 05:18:04,265 INFO L130 PetriNetUnfolder]: For 73660/73664 co-relation queries the response was YES. [2021-03-26 05:18:04,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16422 conditions, 1400 events. 600/1400 cut-off events. For 73660/73664 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 9764 event pairs, 10 based on Foata normal form. 5/1229 useless extension candidates. Maximal degree in co-relation 16209. Up to 832 conditions per place. [2021-03-26 05:18:04,288 INFO L132 encePairwiseOnDemand]: 97/114 looper letters, 556 selfloop transitions, 63 changer transitions 0/637 dead transitions. [2021-03-26 05:18:04,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 637 transitions, 19437 flow [2021-03-26 05:18:04,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:18:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:18:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 696 transitions. [2021-03-26 05:18:04,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46963562753036436 [2021-03-26 05:18:04,290 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 696 transitions. [2021-03-26 05:18:04,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 696 transitions. [2021-03-26 05:18:04,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:04,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 696 transitions. [2021-03-26 05:18:04,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.53846153846154) internal successors, (696), 13 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:04,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:04,291 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:04,291 INFO L185 Difference]: Start difference. First operand has 466 places, 626 transitions, 17999 flow. Second operand 13 states and 696 transitions. [2021-03-26 05:18:04,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 637 transitions, 19437 flow [2021-03-26 05:18:04,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 637 transitions, 19308 flow, removed 33 selfloop flow, removed 6 redundant places. [2021-03-26 05:18:04,833 INFO L241 Difference]: Finished difference. Result has 475 places, 628 transitions, 18174 flow [2021-03-26 05:18:04,834 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=17870, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18174, PETRI_PLACES=475, PETRI_TRANSITIONS=628} [2021-03-26 05:18:04,834 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 422 predicate places. [2021-03-26 05:18:04,834 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:04,834 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 475 places, 628 transitions, 18174 flow [2021-03-26 05:18:04,834 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 475 places, 628 transitions, 18174 flow [2021-03-26 05:18:04,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 475 places, 628 transitions, 18174 flow [2021-03-26 05:18:05,062 INFO L129 PetriNetUnfolder]: 534/1297 cut-off events. [2021-03-26 05:18:05,062 INFO L130 PetriNetUnfolder]: For 74744/74765 co-relation queries the response was YES. [2021-03-26 05:18:05,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14798 conditions, 1297 events. 534/1297 cut-off events. For 74744/74765 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 9352 event pairs, 1 based on Foata normal form. 9/1138 useless extension candidates. Maximal degree in co-relation 14586. Up to 336 conditions per place. [2021-03-26 05:18:05,094 INFO L142 LiptonReduction]: Number of co-enabled transitions 2244 [2021-03-26 05:18:05,225 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:05,225 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:18:05,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 391 [2021-03-26 05:18:05,226 INFO L480 AbstractCegarLoop]: Abstraction has has 475 places, 628 transitions, 18177 flow [2021-03-26 05:18:05,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:05,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:05,226 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:05,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-26 05:18:05,226 INFO L428 AbstractCegarLoop]: === Iteration 126 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:05,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:05,226 INFO L82 PathProgramCache]: Analyzing trace with hash -733632732, now seen corresponding path program 54 times [2021-03-26 05:18:05,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:05,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240352645] [2021-03-26 05:18:05,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:05,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:05,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:05,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:05,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:05,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:05,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:05,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:05,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:05,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:05,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:05,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:05,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:05,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:05,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:05,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:05,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:05,310 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:05,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:05,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240352645] [2021-03-26 05:18:05,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:05,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:05,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471131983] [2021-03-26 05:18:05,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:05,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:05,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:05,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:05,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2021-03-26 05:18:05,313 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 628 transitions, 18177 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:05,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:05,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2021-03-26 05:18:05,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:06,029 INFO L129 PetriNetUnfolder]: 604/1417 cut-off events. [2021-03-26 05:18:06,029 INFO L130 PetriNetUnfolder]: For 73723/73727 co-relation queries the response was YES. [2021-03-26 05:18:06,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16663 conditions, 1417 events. 604/1417 cut-off events. For 73723/73727 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 9929 event pairs, 10 based on Foata normal form. 5/1244 useless extension candidates. Maximal degree in co-relation 16447. Up to 785 conditions per place. [2021-03-26 05:18:06,053 INFO L132 encePairwiseOnDemand]: 98/115 looper letters, 481 selfloop transitions, 146 changer transitions 0/645 dead transitions. [2021-03-26 05:18:06,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 645 transitions, 19806 flow [2021-03-26 05:18:06,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:18:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:18:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 816 transitions. [2021-03-26 05:18:06,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47304347826086957 [2021-03-26 05:18:06,054 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 816 transitions. [2021-03-26 05:18:06,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 816 transitions. [2021-03-26 05:18:06,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:06,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 816 transitions. [2021-03-26 05:18:06,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.4) internal successors, (816), 15 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:06,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:06,056 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:06,056 INFO L185 Difference]: Start difference. First operand has 475 places, 628 transitions, 18177 flow. Second operand 15 states and 816 transitions. [2021-03-26 05:18:06,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 645 transitions, 19806 flow [2021-03-26 05:18:06,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 645 transitions, 19625 flow, removed 24 selfloop flow, removed 13 redundant places. [2021-03-26 05:18:06,693 INFO L241 Difference]: Finished difference. Result has 479 places, 636 transitions, 18699 flow [2021-03-26 05:18:06,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=17998, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=628, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=18699, PETRI_PLACES=479, PETRI_TRANSITIONS=636} [2021-03-26 05:18:06,693 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 426 predicate places. [2021-03-26 05:18:06,694 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:06,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 636 transitions, 18699 flow [2021-03-26 05:18:06,694 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 636 transitions, 18699 flow [2021-03-26 05:18:06,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 636 transitions, 18699 flow [2021-03-26 05:18:07,008 INFO L129 PetriNetUnfolder]: 535/1315 cut-off events. [2021-03-26 05:18:07,008 INFO L130 PetriNetUnfolder]: For 68313/68338 co-relation queries the response was YES. [2021-03-26 05:18:07,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14944 conditions, 1315 events. 535/1315 cut-off events. For 68313/68338 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9490 event pairs, 1 based on Foata normal form. 9/1147 useless extension candidates. Maximal degree in co-relation 14730. Up to 333 conditions per place. [2021-03-26 05:18:07,052 INFO L142 LiptonReduction]: Number of co-enabled transitions 2268 [2021-03-26 05:18:07,098 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:07,098 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:07,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 406 [2021-03-26 05:18:07,099 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 636 transitions, 18699 flow [2021-03-26 05:18:07,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:07,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:07,099 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:07,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-03-26 05:18:07,099 INFO L428 AbstractCegarLoop]: === Iteration 127 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:07,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:07,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1676302569, now seen corresponding path program 1 times [2021-03-26 05:18:07,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:07,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258202652] [2021-03-26 05:18:07,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:07,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:07,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:07,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:07,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:07,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:07,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:07,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:07,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:18:07,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:07,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:07,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:07,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:07,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:07,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:07,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:07,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:07,176 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:07,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:07,189 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:07,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:07,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258202652] [2021-03-26 05:18:07,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:07,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:07,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631052625] [2021-03-26 05:18:07,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:07,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:07,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:07,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:07,192 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2021-03-26 05:18:07,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 636 transitions, 18699 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:07,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:07,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2021-03-26 05:18:07,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:07,823 INFO L129 PetriNetUnfolder]: 605/1421 cut-off events. [2021-03-26 05:18:07,823 INFO L130 PetriNetUnfolder]: For 72894/72906 co-relation queries the response was YES. [2021-03-26 05:18:07,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16798 conditions, 1421 events. 605/1421 cut-off events. For 72894/72906 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10033 event pairs, 2 based on Foata normal form. 13/1255 useless extension candidates. Maximal degree in co-relation 16580. Up to 849 conditions per place. [2021-03-26 05:18:07,848 INFO L132 encePairwiseOnDemand]: 97/115 looper letters, 577 selfloop transitions, 42 changer transitions 7/644 dead transitions. [2021-03-26 05:18:07,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 644 transitions, 20029 flow [2021-03-26 05:18:07,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:18:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:18:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 686 transitions. [2021-03-26 05:18:07,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4588628762541806 [2021-03-26 05:18:07,849 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 686 transitions. [2021-03-26 05:18:07,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 686 transitions. [2021-03-26 05:18:07,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:07,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 686 transitions. [2021-03-26 05:18:07,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.76923076923077) internal successors, (686), 13 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:07,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:07,850 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:07,850 INFO L185 Difference]: Start difference. First operand has 479 places, 636 transitions, 18699 flow. Second operand 13 states and 686 transitions. [2021-03-26 05:18:07,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 644 transitions, 20029 flow [2021-03-26 05:18:08,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 644 transitions, 19748 flow, removed 37 selfloop flow, removed 10 redundant places. [2021-03-26 05:18:08,386 INFO L241 Difference]: Finished difference. Result has 483 places, 630 transitions, 18413 flow [2021-03-26 05:18:08,387 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=18418, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=594, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18413, PETRI_PLACES=483, PETRI_TRANSITIONS=630} [2021-03-26 05:18:08,387 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 430 predicate places. [2021-03-26 05:18:08,387 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:08,387 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 630 transitions, 18413 flow [2021-03-26 05:18:08,387 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 630 transitions, 18413 flow [2021-03-26 05:18:08,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 630 transitions, 18413 flow [2021-03-26 05:18:08,600 INFO L129 PetriNetUnfolder]: 527/1288 cut-off events. [2021-03-26 05:18:08,600 INFO L130 PetriNetUnfolder]: For 65996/66021 co-relation queries the response was YES. [2021-03-26 05:18:08,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14763 conditions, 1288 events. 527/1288 cut-off events. For 65996/66021 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9151 event pairs, 5 based on Foata normal form. 9/1127 useless extension candidates. Maximal degree in co-relation 14571. Up to 331 conditions per place. [2021-03-26 05:18:08,634 INFO L142 LiptonReduction]: Number of co-enabled transitions 2236 [2021-03-26 05:18:08,679 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:08,679 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:08,679 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 292 [2021-03-26 05:18:08,680 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 630 transitions, 18413 flow [2021-03-26 05:18:08,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:08,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:08,680 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:08,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-03-26 05:18:08,680 INFO L428 AbstractCegarLoop]: === Iteration 128 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:08,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:08,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1672960448, now seen corresponding path program 55 times [2021-03-26 05:18:08,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:08,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419890202] [2021-03-26 05:18:08,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:08,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:08,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:08,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:08,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:08,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:08,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:08,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:08,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:08,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:08,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:08,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:08,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:08,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:08,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:08,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:08,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:08,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:08,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:08,758 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:08,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:08,761 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:08,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:08,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419890202] [2021-03-26 05:18:08,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:08,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:08,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105175588] [2021-03-26 05:18:08,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:08,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:08,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:08,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:08,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2021-03-26 05:18:08,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 630 transitions, 18413 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:08,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:08,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2021-03-26 05:18:08,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:09,412 INFO L129 PetriNetUnfolder]: 605/1417 cut-off events. [2021-03-26 05:18:09,412 INFO L130 PetriNetUnfolder]: For 75996/76000 co-relation queries the response was YES. [2021-03-26 05:18:09,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16708 conditions, 1417 events. 605/1417 cut-off events. For 75996/76000 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 9919 event pairs, 10 based on Foata normal form. 5/1243 useless extension candidates. Maximal degree in co-relation 16514. Up to 770 conditions per place. [2021-03-26 05:18:09,437 INFO L132 encePairwiseOnDemand]: 99/115 looper letters, 487 selfloop transitions, 137 changer transitions 0/642 dead transitions. [2021-03-26 05:18:09,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 642 transitions, 19871 flow [2021-03-26 05:18:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:18:09,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:18:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 05:18:09,438 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47023411371237456 [2021-03-26 05:18:09,438 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 05:18:09,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 05:18:09,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:09,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 05:18:09,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:09,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:09,440 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:09,440 INFO L185 Difference]: Start difference. First operand has 477 places, 630 transitions, 18413 flow. Second operand 13 states and 703 transitions. [2021-03-26 05:18:09,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 642 transitions, 19871 flow [2021-03-26 05:18:10,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 642 transitions, 19721 flow, removed 5 selfloop flow, removed 14 redundant places. [2021-03-26 05:18:10,012 INFO L241 Difference]: Finished difference. Result has 479 places, 634 transitions, 18724 flow [2021-03-26 05:18:10,013 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=18265, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=630, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18724, PETRI_PLACES=479, PETRI_TRANSITIONS=634} [2021-03-26 05:18:10,013 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 426 predicate places. [2021-03-26 05:18:10,013 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:10,013 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 634 transitions, 18724 flow [2021-03-26 05:18:10,013 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 634 transitions, 18724 flow [2021-03-26 05:18:10,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 634 transitions, 18724 flow [2021-03-26 05:18:10,235 INFO L129 PetriNetUnfolder]: 539/1323 cut-off events. [2021-03-26 05:18:10,235 INFO L130 PetriNetUnfolder]: For 67813/67836 co-relation queries the response was YES. [2021-03-26 05:18:10,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15218 conditions, 1323 events. 539/1323 cut-off events. For 67813/67836 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9507 event pairs, 5 based on Foata normal form. 7/1154 useless extension candidates. Maximal degree in co-relation 15003. Up to 338 conditions per place. [2021-03-26 05:18:10,268 INFO L142 LiptonReduction]: Number of co-enabled transitions 2270 [2021-03-26 05:18:10,393 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:18:10,393 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:18:10,393 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 380 [2021-03-26 05:18:10,394 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 634 transitions, 18740 flow [2021-03-26 05:18:10,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:10,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:10,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:10,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-03-26 05:18:10,394 INFO L428 AbstractCegarLoop]: === Iteration 129 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:10,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:10,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1294883550, now seen corresponding path program 56 times [2021-03-26 05:18:10,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:10,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363751166] [2021-03-26 05:18:10,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:10,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:10,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:10,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:10,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:10,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:10,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:10,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:10,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:10,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:10,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:10,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:10,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:10,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:10,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:10,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:10,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:10,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:10,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:10,498 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:10,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:10,501 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:18:10,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:10,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363751166] [2021-03-26 05:18:10,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:10,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:10,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299148552] [2021-03-26 05:18:10,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:10,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:10,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:10,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:10,505 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 05:18:10,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 634 transitions, 18740 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:10,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:10,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 05:18:10,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:11,252 INFO L129 PetriNetUnfolder]: 606/1426 cut-off events. [2021-03-26 05:18:11,252 INFO L130 PetriNetUnfolder]: For 74125/74135 co-relation queries the response was YES. [2021-03-26 05:18:11,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17019 conditions, 1426 events. 606/1426 cut-off events. For 74125/74135 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10047 event pairs, 11 based on Foata normal form. 11/1259 useless extension candidates. Maximal degree in co-relation 16800. Up to 779 conditions per place. [2021-03-26 05:18:11,277 INFO L132 encePairwiseOnDemand]: 98/116 looper letters, 478 selfloop transitions, 156 changer transitions 0/652 dead transitions. [2021-03-26 05:18:11,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 652 transitions, 20466 flow [2021-03-26 05:18:11,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:18:11,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:18:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 865 transitions. [2021-03-26 05:18:11,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4660560344827586 [2021-03-26 05:18:11,279 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 865 transitions. [2021-03-26 05:18:11,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 865 transitions. [2021-03-26 05:18:11,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:11,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 865 transitions. [2021-03-26 05:18:11,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.0625) internal successors, (865), 16 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:11,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:11,280 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:11,280 INFO L185 Difference]: Start difference. First operand has 479 places, 634 transitions, 18740 flow. Second operand 16 states and 865 transitions. [2021-03-26 05:18:11,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 652 transitions, 20466 flow [2021-03-26 05:18:11,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 652 transitions, 20031 flow, removed 101 selfloop flow, removed 6 redundant places. [2021-03-26 05:18:11,860 INFO L241 Difference]: Finished difference. Result has 491 places, 641 transitions, 19118 flow [2021-03-26 05:18:11,860 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=18313, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=19118, PETRI_PLACES=491, PETRI_TRANSITIONS=641} [2021-03-26 05:18:11,860 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 438 predicate places. [2021-03-26 05:18:11,860 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:11,860 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 641 transitions, 19118 flow [2021-03-26 05:18:11,861 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 641 transitions, 19118 flow [2021-03-26 05:18:11,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 491 places, 641 transitions, 19118 flow [2021-03-26 05:18:12,081 INFO L129 PetriNetUnfolder]: 537/1325 cut-off events. [2021-03-26 05:18:12,081 INFO L130 PetriNetUnfolder]: For 69030/69055 co-relation queries the response was YES. [2021-03-26 05:18:12,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15204 conditions, 1325 events. 537/1325 cut-off events. For 69030/69055 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9567 event pairs, 2 based on Foata normal form. 9/1156 useless extension candidates. Maximal degree in co-relation 14986. Up to 334 conditions per place. [2021-03-26 05:18:12,117 INFO L142 LiptonReduction]: Number of co-enabled transitions 2294 [2021-03-26 05:18:12,163 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:12,163 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:12,164 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 304 [2021-03-26 05:18:12,164 INFO L480 AbstractCegarLoop]: Abstraction has has 491 places, 641 transitions, 19118 flow [2021-03-26 05:18:12,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:12,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:12,164 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:12,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-03-26 05:18:12,164 INFO L428 AbstractCegarLoop]: === Iteration 130 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:12,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1873952046, now seen corresponding path program 1 times [2021-03-26 05:18:12,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:12,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876469866] [2021-03-26 05:18:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:12,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:12,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:12,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:12,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:12,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:12,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:12,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:12,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:12,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:12,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:12,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:12,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:12,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:12,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:12,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:18:12,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:18:12,219 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:12,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:12,230 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:12,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:12,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:12,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876469866] [2021-03-26 05:18:12,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:12,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:18:12,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635380026] [2021-03-26 05:18:12,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:18:12,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:12,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:18:12,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:18:12,233 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 05:18:12,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 641 transitions, 19118 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:12,233 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:12,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 05:18:12,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:12,849 INFO L129 PetriNetUnfolder]: 617/1456 cut-off events. [2021-03-26 05:18:12,850 INFO L130 PetriNetUnfolder]: For 77263/77269 co-relation queries the response was YES. [2021-03-26 05:18:12,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17358 conditions, 1456 events. 617/1456 cut-off events. For 77263/77269 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10341 event pairs, 3 based on Foata normal form. 7/1277 useless extension candidates. Maximal degree in co-relation 17139. Up to 715 conditions per place. [2021-03-26 05:18:12,877 INFO L132 encePairwiseOnDemand]: 100/116 looper letters, 424 selfloop transitions, 214 changer transitions 0/656 dead transitions. [2021-03-26 05:18:12,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 656 transitions, 20730 flow [2021-03-26 05:18:12,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:18:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:18:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 514 transitions. [2021-03-26 05:18:12,878 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49233716475095785 [2021-03-26 05:18:12,878 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 514 transitions. [2021-03-26 05:18:12,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 514 transitions. [2021-03-26 05:18:12,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:12,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 514 transitions. [2021-03-26 05:18:12,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 57.111111111111114) internal successors, (514), 9 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:12,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 116.0) internal successors, (1160), 10 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:12,879 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 116.0) internal successors, (1160), 10 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:12,879 INFO L185 Difference]: Start difference. First operand has 491 places, 641 transitions, 19118 flow. Second operand 9 states and 514 transitions. [2021-03-26 05:18:12,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 656 transitions, 20730 flow [2021-03-26 05:18:13,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 656 transitions, 20414 flow, removed 19 selfloop flow, removed 12 redundant places. [2021-03-26 05:18:13,494 INFO L241 Difference]: Finished difference. Result has 490 places, 645 transitions, 19673 flow [2021-03-26 05:18:13,494 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=18802, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=641, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=19673, PETRI_PLACES=490, PETRI_TRANSITIONS=645} [2021-03-26 05:18:13,494 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 437 predicate places. [2021-03-26 05:18:13,494 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:13,494 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 490 places, 645 transitions, 19673 flow [2021-03-26 05:18:13,494 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 490 places, 645 transitions, 19673 flow [2021-03-26 05:18:13,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 645 transitions, 19673 flow [2021-03-26 05:18:13,721 INFO L129 PetriNetUnfolder]: 552/1362 cut-off events. [2021-03-26 05:18:13,722 INFO L130 PetriNetUnfolder]: For 75285/75309 co-relation queries the response was YES. [2021-03-26 05:18:13,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15915 conditions, 1362 events. 552/1362 cut-off events. For 75285/75309 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 9939 event pairs, 0 based on Foata normal form. 8/1183 useless extension candidates. Maximal degree in co-relation 15695. Up to 343 conditions per place. [2021-03-26 05:18:13,755 INFO L142 LiptonReduction]: Number of co-enabled transitions 2326 [2021-03-26 05:18:13,828 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:13,828 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:13,828 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 334 [2021-03-26 05:18:13,829 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 645 transitions, 19673 flow [2021-03-26 05:18:13,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:13,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:13,829 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:13,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-03-26 05:18:13,829 INFO L428 AbstractCegarLoop]: === Iteration 131 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:13,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:13,829 INFO L82 PathProgramCache]: Analyzing trace with hash 359313972, now seen corresponding path program 57 times [2021-03-26 05:18:13,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:13,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666594721] [2021-03-26 05:18:13,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:13,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:13,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:13,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:13,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:13,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:13,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:13,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:13,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:13,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:13,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:13,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:13,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:13,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:13,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:13,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:13,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:13,922 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:18:13,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:18:13,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:13,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:13,941 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:13,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:13,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666594721] [2021-03-26 05:18:13,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:13,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:13,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731385647] [2021-03-26 05:18:13,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:13,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:13,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:13,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:13,945 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 05:18:13,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 645 transitions, 19673 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:13,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:13,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 05:18:13,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:14,681 INFO L129 PetriNetUnfolder]: 629/1481 cut-off events. [2021-03-26 05:18:14,681 INFO L130 PetriNetUnfolder]: For 80782/80786 co-relation queries the response was YES. [2021-03-26 05:18:14,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17989 conditions, 1481 events. 629/1481 cut-off events. For 80782/80786 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 10528 event pairs, 2 based on Foata normal form. 5/1294 useless extension candidates. Maximal degree in co-relation 17768. Up to 754 conditions per place. [2021-03-26 05:18:14,708 INFO L132 encePairwiseOnDemand]: 100/116 looper letters, 431 selfloop transitions, 216 changer transitions 0/665 dead transitions. [2021-03-26 05:18:14,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 665 transitions, 21674 flow [2021-03-26 05:18:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 658 transitions. [2021-03-26 05:18:14,709 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47270114942528735 [2021-03-26 05:18:14,709 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 658 transitions. [2021-03-26 05:18:14,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 658 transitions. [2021-03-26 05:18:14,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:14,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 658 transitions. [2021-03-26 05:18:14,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.833333333333336) internal successors, (658), 12 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:14,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:14,710 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:14,710 INFO L185 Difference]: Start difference. First operand has 490 places, 645 transitions, 19673 flow. Second operand 12 states and 658 transitions. [2021-03-26 05:18:14,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 665 transitions, 21674 flow [2021-03-26 05:18:15,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 665 transitions, 21255 flow, removed 69 selfloop flow, removed 6 redundant places. [2021-03-26 05:18:15,405 INFO L241 Difference]: Finished difference. Result has 497 places, 657 transitions, 20470 flow [2021-03-26 05:18:15,405 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=19265, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20470, PETRI_PLACES=497, PETRI_TRANSITIONS=657} [2021-03-26 05:18:15,406 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 444 predicate places. [2021-03-26 05:18:15,406 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:15,406 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 497 places, 657 transitions, 20470 flow [2021-03-26 05:18:15,406 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 497 places, 657 transitions, 20470 flow [2021-03-26 05:18:15,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 497 places, 657 transitions, 20470 flow [2021-03-26 05:18:15,680 INFO L129 PetriNetUnfolder]: 563/1373 cut-off events. [2021-03-26 05:18:15,680 INFO L130 PetriNetUnfolder]: For 78446/78482 co-relation queries the response was YES. [2021-03-26 05:18:15,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16247 conditions, 1373 events. 563/1373 cut-off events. For 78446/78482 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10026 event pairs, 2 based on Foata normal form. 5/1193 useless extension candidates. Maximal degree in co-relation 16029. Up to 350 conditions per place. [2021-03-26 05:18:15,716 INFO L142 LiptonReduction]: Number of co-enabled transitions 2386 [2021-03-26 05:18:15,764 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:15,764 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:15,764 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 358 [2021-03-26 05:18:15,765 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 657 transitions, 20470 flow [2021-03-26 05:18:15,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:15,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:15,765 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:15,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-03-26 05:18:15,765 INFO L428 AbstractCegarLoop]: === Iteration 132 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:15,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:15,765 INFO L82 PathProgramCache]: Analyzing trace with hash -695160366, now seen corresponding path program 58 times [2021-03-26 05:18:15,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:15,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744209319] [2021-03-26 05:18:15,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:15,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:15,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:15,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:15,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:15,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:15,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:15,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:15,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:15,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:15,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:15,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:15,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:15,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:15,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:15,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:15,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:15,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:15,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:15,861 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:15,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:15,865 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:15,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:15,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744209319] [2021-03-26 05:18:15,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:15,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:15,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047848791] [2021-03-26 05:18:15,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:15,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:15,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:15,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:15,868 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 05:18:15,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 657 transitions, 20470 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:15,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:15,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 05:18:15,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:16,589 INFO L129 PetriNetUnfolder]: 641/1525 cut-off events. [2021-03-26 05:18:16,589 INFO L130 PetriNetUnfolder]: For 85251/85255 co-relation queries the response was YES. [2021-03-26 05:18:16,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18135 conditions, 1525 events. 641/1525 cut-off events. For 85251/85255 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 10994 event pairs, 9 based on Foata normal form. 5/1325 useless extension candidates. Maximal degree in co-relation 17910. Up to 810 conditions per place. [2021-03-26 05:18:16,620 INFO L132 encePairwiseOnDemand]: 100/116 looper letters, 501 selfloop transitions, 148 changer transitions 0/667 dead transitions. [2021-03-26 05:18:16,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 667 transitions, 21978 flow [2021-03-26 05:18:16,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:18:16,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:18:16,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 698 transitions. [2021-03-26 05:18:16,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46286472148541113 [2021-03-26 05:18:16,621 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 698 transitions. [2021-03-26 05:18:16,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 698 transitions. [2021-03-26 05:18:16,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:16,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 698 transitions. [2021-03-26 05:18:16,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.69230769230769) internal successors, (698), 13 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:16,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 116.0) internal successors, (1624), 14 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:16,623 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 116.0) internal successors, (1624), 14 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:16,623 INFO L185 Difference]: Start difference. First operand has 497 places, 657 transitions, 20470 flow. Second operand 13 states and 698 transitions. [2021-03-26 05:18:16,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 667 transitions, 21978 flow [2021-03-26 05:18:17,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 667 transitions, 21698 flow, removed 124 selfloop flow, removed 2 redundant places. [2021-03-26 05:18:17,302 INFO L241 Difference]: Finished difference. Result has 511 places, 661 transitions, 20711 flow [2021-03-26 05:18:17,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=20190, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20711, PETRI_PLACES=511, PETRI_TRANSITIONS=661} [2021-03-26 05:18:17,302 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 458 predicate places. [2021-03-26 05:18:17,302 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:17,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 511 places, 661 transitions, 20711 flow [2021-03-26 05:18:17,302 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 511 places, 661 transitions, 20711 flow [2021-03-26 05:18:17,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 661 transitions, 20711 flow [2021-03-26 05:18:17,562 INFO L129 PetriNetUnfolder]: 562/1399 cut-off events. [2021-03-26 05:18:17,563 INFO L130 PetriNetUnfolder]: For 74122/74159 co-relation queries the response was YES. [2021-03-26 05:18:17,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16294 conditions, 1399 events. 562/1399 cut-off events. For 74122/74159 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10353 event pairs, 4 based on Foata normal form. 9/1216 useless extension candidates. Maximal degree in co-relation 16068. Up to 342 conditions per place. [2021-03-26 05:18:17,600 INFO L142 LiptonReduction]: Number of co-enabled transitions 2420 [2021-03-26 05:18:17,648 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:17,649 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:17,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 347 [2021-03-26 05:18:17,649 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 661 transitions, 20711 flow [2021-03-26 05:18:17,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:17,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:17,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:17,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-26 05:18:17,649 INFO L428 AbstractCegarLoop]: === Iteration 133 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:17,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:17,650 INFO L82 PathProgramCache]: Analyzing trace with hash -843169364, now seen corresponding path program 59 times [2021-03-26 05:18:17,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:17,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213865141] [2021-03-26 05:18:17,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:17,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:17,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:17,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:17,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:17,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:17,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:17,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:17,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:17,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:17,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:17,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:17,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:17,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:17,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:17,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:17,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:17,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:17,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:17,742 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:17,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:17,746 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:17,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:17,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213865141] [2021-03-26 05:18:17,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:17,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:17,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104227171] [2021-03-26 05:18:17,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:17,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:17,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:17,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:17,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 05:18:17,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 661 transitions, 20711 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:17,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:17,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 05:18:17,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:18,551 INFO L129 PetriNetUnfolder]: 638/1521 cut-off events. [2021-03-26 05:18:18,552 INFO L130 PetriNetUnfolder]: For 82744/82750 co-relation queries the response was YES. [2021-03-26 05:18:18,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18454 conditions, 1521 events. 638/1521 cut-off events. For 82744/82750 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 10990 event pairs, 2 based on Foata normal form. 7/1327 useless extension candidates. Maximal degree in co-relation 18224. Up to 812 conditions per place. [2021-03-26 05:18:18,580 INFO L132 encePairwiseOnDemand]: 99/116 looper letters, 496 selfloop transitions, 163 changer transitions 0/677 dead transitions. [2021-03-26 05:18:18,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 677 transitions, 22530 flow [2021-03-26 05:18:18,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:18:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:18:18,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 865 transitions. [2021-03-26 05:18:18,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4660560344827586 [2021-03-26 05:18:18,581 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 865 transitions. [2021-03-26 05:18:18,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 865 transitions. [2021-03-26 05:18:18,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:18,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 865 transitions. [2021-03-26 05:18:18,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.0625) internal successors, (865), 16 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:18,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:18,582 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:18,582 INFO L185 Difference]: Start difference. First operand has 511 places, 661 transitions, 20711 flow. Second operand 16 states and 865 transitions. [2021-03-26 05:18:18,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 677 transitions, 22530 flow [2021-03-26 05:18:19,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 677 transitions, 21957 flow, removed 109 selfloop flow, removed 7 redundant places. [2021-03-26 05:18:19,281 INFO L241 Difference]: Finished difference. Result has 522 places, 668 transitions, 20999 flow [2021-03-26 05:18:19,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=20149, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=661, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=20999, PETRI_PLACES=522, PETRI_TRANSITIONS=668} [2021-03-26 05:18:19,281 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 469 predicate places. [2021-03-26 05:18:19,281 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:19,281 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 522 places, 668 transitions, 20999 flow [2021-03-26 05:18:19,282 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 522 places, 668 transitions, 20999 flow [2021-03-26 05:18:19,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 522 places, 668 transitions, 20999 flow [2021-03-26 05:18:19,702 INFO L129 PetriNetUnfolder]: 576/1436 cut-off events. [2021-03-26 05:18:19,702 INFO L130 PetriNetUnfolder]: For 75883/75918 co-relation queries the response was YES. [2021-03-26 05:18:19,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16793 conditions, 1436 events. 576/1436 cut-off events. For 75883/75918 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10596 event pairs, 5 based on Foata normal form. 5/1241 useless extension candidates. Maximal degree in co-relation 16567. Up to 351 conditions per place. [2021-03-26 05:18:19,743 INFO L142 LiptonReduction]: Number of co-enabled transitions 2444 [2021-03-26 05:18:19,791 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:19,791 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:19,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 510 [2021-03-26 05:18:19,791 INFO L480 AbstractCegarLoop]: Abstraction has has 522 places, 668 transitions, 20999 flow [2021-03-26 05:18:19,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:19,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:19,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:19,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-03-26 05:18:19,792 INFO L428 AbstractCegarLoop]: === Iteration 134 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:19,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:19,792 INFO L82 PathProgramCache]: Analyzing trace with hash -2009606156, now seen corresponding path program 60 times [2021-03-26 05:18:19,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:19,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182539765] [2021-03-26 05:18:19,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:19,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:19,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:19,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:19,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:19,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:19,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:19,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:19,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:19,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:19,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:19,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:19,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:19,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:19,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:19,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:19,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:19,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:19,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:19,862 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:19,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:19,876 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:19,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:19,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182539765] [2021-03-26 05:18:19,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:19,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:19,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063699475] [2021-03-26 05:18:19,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:19,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:19,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:19,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:19,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 05:18:19,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 668 transitions, 20999 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:19,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:19,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 05:18:19,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:20,592 INFO L129 PetriNetUnfolder]: 643/1540 cut-off events. [2021-03-26 05:18:20,592 INFO L130 PetriNetUnfolder]: For 84384/84390 co-relation queries the response was YES. [2021-03-26 05:18:20,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18441 conditions, 1540 events. 643/1540 cut-off events. For 84384/84390 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 11226 event pairs, 2 based on Foata normal form. 7/1340 useless extension candidates. Maximal degree in co-relation 18208. Up to 814 conditions per place. [2021-03-26 05:18:20,622 INFO L132 encePairwiseOnDemand]: 99/116 looper letters, 511 selfloop transitions, 147 changer transitions 0/676 dead transitions. [2021-03-26 05:18:20,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 676 transitions, 22376 flow [2021-03-26 05:18:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:20,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 05:18:20,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4640804597701149 [2021-03-26 05:18:20,623 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 05:18:20,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 05:18:20,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:20,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 05:18:20,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:20,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:20,625 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:20,625 INFO L185 Difference]: Start difference. First operand has 522 places, 668 transitions, 20999 flow. Second operand 12 states and 646 transitions. [2021-03-26 05:18:20,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 676 transitions, 22376 flow [2021-03-26 05:18:21,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 676 transitions, 22172 flow, removed 19 selfloop flow, removed 11 redundant places. [2021-03-26 05:18:21,303 INFO L241 Difference]: Finished difference. Result has 524 places, 669 transitions, 21116 flow [2021-03-26 05:18:21,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=20795, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=21116, PETRI_PLACES=524, PETRI_TRANSITIONS=669} [2021-03-26 05:18:21,304 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 471 predicate places. [2021-03-26 05:18:21,304 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:21,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 669 transitions, 21116 flow [2021-03-26 05:18:21,304 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 669 transitions, 21116 flow [2021-03-26 05:18:21,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 524 places, 669 transitions, 21116 flow [2021-03-26 05:18:21,557 INFO L129 PetriNetUnfolder]: 569/1411 cut-off events. [2021-03-26 05:18:21,558 INFO L130 PetriNetUnfolder]: For 80159/80187 co-relation queries the response was YES. [2021-03-26 05:18:21,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16405 conditions, 1411 events. 569/1411 cut-off events. For 80159/80187 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 10523 event pairs, 3 based on Foata normal form. 13/1227 useless extension candidates. Maximal degree in co-relation 16172. Up to 346 conditions per place. [2021-03-26 05:18:21,593 INFO L142 LiptonReduction]: Number of co-enabled transitions 2454 [2021-03-26 05:18:21,645 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:21,645 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:21,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 341 [2021-03-26 05:18:21,645 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 669 transitions, 21116 flow [2021-03-26 05:18:21,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:21,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:21,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:21,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-03-26 05:18:21,646 INFO L428 AbstractCegarLoop]: === Iteration 135 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:21,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:21,646 INFO L82 PathProgramCache]: Analyzing trace with hash 883404918, now seen corresponding path program 61 times [2021-03-26 05:18:21,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:21,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370888515] [2021-03-26 05:18:21,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:21,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:21,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:21,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:21,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:21,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:21,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:21,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:21,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:21,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:21,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:21,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:21,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:21,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:21,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:21,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:21,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:21,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:21,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:21,724 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:21,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:21,737 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:21,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:21,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370888515] [2021-03-26 05:18:21,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:21,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:21,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713715701] [2021-03-26 05:18:21,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:21,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:21,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:21,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:21,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 05:18:21,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 669 transitions, 21116 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:21,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:21,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 05:18:21,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:22,512 INFO L129 PetriNetUnfolder]: 641/1545 cut-off events. [2021-03-26 05:18:22,512 INFO L130 PetriNetUnfolder]: For 81529/81539 co-relation queries the response was YES. [2021-03-26 05:18:22,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18488 conditions, 1545 events. 641/1545 cut-off events. For 81529/81539 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 11263 event pairs, 10 based on Foata normal form. 11/1349 useless extension candidates. Maximal degree in co-relation 18251. Up to 875 conditions per place. [2021-03-26 05:18:22,537 INFO L132 encePairwiseOnDemand]: 99/116 looper letters, 587 selfloop transitions, 60 changer transitions 15/680 dead transitions. [2021-03-26 05:18:22,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 680 transitions, 22545 flow [2021-03-26 05:18:22,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:18:22,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:18:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 698 transitions. [2021-03-26 05:18:22,538 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46286472148541113 [2021-03-26 05:18:22,538 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 698 transitions. [2021-03-26 05:18:22,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 698 transitions. [2021-03-26 05:18:22,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:22,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 698 transitions. [2021-03-26 05:18:22,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.69230769230769) internal successors, (698), 13 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:22,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 116.0) internal successors, (1624), 14 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:22,539 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 116.0) internal successors, (1624), 14 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:22,539 INFO L185 Difference]: Start difference. First operand has 524 places, 669 transitions, 21116 flow. Second operand 13 states and 698 transitions. [2021-03-26 05:18:22,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 680 transitions, 22545 flow [2021-03-26 05:18:23,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 680 transitions, 22275 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-26 05:18:23,127 INFO L241 Difference]: Finished difference. Result has 530 places, 655 transitions, 20573 flow [2021-03-26 05:18:23,128 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=20846, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20573, PETRI_PLACES=530, PETRI_TRANSITIONS=655} [2021-03-26 05:18:23,128 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 477 predicate places. [2021-03-26 05:18:23,128 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:23,128 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 655 transitions, 20573 flow [2021-03-26 05:18:23,128 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 655 transitions, 20573 flow [2021-03-26 05:18:23,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 655 transitions, 20573 flow [2021-03-26 05:18:23,410 INFO L129 PetriNetUnfolder]: 554/1380 cut-off events. [2021-03-26 05:18:23,410 INFO L130 PetriNetUnfolder]: For 74810/74847 co-relation queries the response was YES. [2021-03-26 05:18:23,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16227 conditions, 1380 events. 554/1380 cut-off events. For 74810/74847 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10178 event pairs, 5 based on Foata normal form. 7/1197 useless extension candidates. Maximal degree in co-relation 16021. Up to 341 conditions per place. [2021-03-26 05:18:23,446 INFO L142 LiptonReduction]: Number of co-enabled transitions 2372 [2021-03-26 05:18:23,579 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:18:23,579 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:18:23,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 451 [2021-03-26 05:18:23,579 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 655 transitions, 20584 flow [2021-03-26 05:18:23,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:23,579 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:23,579 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:23,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-26 05:18:23,580 INFO L428 AbstractCegarLoop]: === Iteration 136 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:23,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:23,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1927707374, now seen corresponding path program 62 times [2021-03-26 05:18:23,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:23,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57219432] [2021-03-26 05:18:23,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:23,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:23,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:23,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:23,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:23,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:23,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:23,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:23,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:23,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:23,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:23,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:23,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:23,635 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:18:23,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:18:23,646 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:23,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:23,658 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:18:23,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:23,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57219432] [2021-03-26 05:18:23,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:23,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:23,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028314366] [2021-03-26 05:18:23,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:23,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:23,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:23,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:23,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 117 [2021-03-26 05:18:23,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 655 transitions, 20584 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:23,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:23,662 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 117 [2021-03-26 05:18:23,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:24,383 INFO L129 PetriNetUnfolder]: 626/1493 cut-off events. [2021-03-26 05:18:24,383 INFO L130 PetriNetUnfolder]: For 80798/80810 co-relation queries the response was YES. [2021-03-26 05:18:24,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18151 conditions, 1493 events. 626/1493 cut-off events. For 80798/80810 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10748 event pairs, 2 based on Foata normal form. 13/1310 useless extension candidates. Maximal degree in co-relation 17943. Up to 867 conditions per place. [2021-03-26 05:18:24,411 INFO L132 encePairwiseOnDemand]: 100/117 looper letters, 585 selfloop transitions, 54 changer transitions 8/665 dead transitions. [2021-03-26 05:18:24,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 665 transitions, 21990 flow [2021-03-26 05:18:24,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:18:24,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:18:24,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 692 transitions. [2021-03-26 05:18:24,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4549638395792242 [2021-03-26 05:18:24,413 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 692 transitions. [2021-03-26 05:18:24,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 692 transitions. [2021-03-26 05:18:24,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:24,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 692 transitions. [2021-03-26 05:18:24,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.23076923076923) internal successors, (692), 13 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:24,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:24,414 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:24,414 INFO L185 Difference]: Start difference. First operand has 526 places, 655 transitions, 20584 flow. Second operand 13 states and 692 transitions. [2021-03-26 05:18:24,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 665 transitions, 21990 flow [2021-03-26 05:18:25,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 665 transitions, 21670 flow, removed 11 selfloop flow, removed 26 redundant places. [2021-03-26 05:18:25,096 INFO L241 Difference]: Finished difference. Result has 515 places, 649 transitions, 20298 flow [2021-03-26 05:18:25,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=20266, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20298, PETRI_PLACES=515, PETRI_TRANSITIONS=649} [2021-03-26 05:18:25,097 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 462 predicate places. [2021-03-26 05:18:25,097 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:25,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 649 transitions, 20298 flow [2021-03-26 05:18:25,097 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 649 transitions, 20298 flow [2021-03-26 05:18:25,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 513 places, 649 transitions, 20298 flow [2021-03-26 05:18:25,339 INFO L129 PetriNetUnfolder]: 552/1372 cut-off events. [2021-03-26 05:18:25,339 INFO L130 PetriNetUnfolder]: For 74104/74141 co-relation queries the response was YES. [2021-03-26 05:18:25,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16065 conditions, 1372 events. 552/1372 cut-off events. For 74104/74141 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10102 event pairs, 3 based on Foata normal form. 7/1189 useless extension candidates. Maximal degree in co-relation 15841. Up to 339 conditions per place. [2021-03-26 05:18:25,374 INFO L142 LiptonReduction]: Number of co-enabled transitions 2372 [2021-03-26 05:18:25,510 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:25,511 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:18:25,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-03-26 05:18:25,511 INFO L480 AbstractCegarLoop]: Abstraction has has 513 places, 649 transitions, 20299 flow [2021-03-26 05:18:25,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:25,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:25,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:25,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-03-26 05:18:25,512 INFO L428 AbstractCegarLoop]: === Iteration 137 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:25,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:25,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1918550986, now seen corresponding path program 63 times [2021-03-26 05:18:25,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:25,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227046137] [2021-03-26 05:18:25,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:25,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:25,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:25,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:25,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:25,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:25,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:25,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:25,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:25,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:25,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:25,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:25,591 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:18:25,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:18:25,603 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:25,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:25,616 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:25,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:25,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227046137] [2021-03-26 05:18:25,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:25,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:25,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936043080] [2021-03-26 05:18:25,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:25,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:25,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:25,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:25,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 118 [2021-03-26 05:18:25,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 649 transitions, 20299 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:25,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:25,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 118 [2021-03-26 05:18:25,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:26,300 INFO L129 PetriNetUnfolder]: 623/1484 cut-off events. [2021-03-26 05:18:26,300 INFO L130 PetriNetUnfolder]: For 80074/80080 co-relation queries the response was YES. [2021-03-26 05:18:26,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17974 conditions, 1484 events. 623/1484 cut-off events. For 80074/80080 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10665 event pairs, 2 based on Foata normal form. 7/1296 useless extension candidates. Maximal degree in co-relation 17746. Up to 862 conditions per place. [2021-03-26 05:18:26,329 INFO L132 encePairwiseOnDemand]: 100/118 looper letters, 580 selfloop transitions, 57 changer transitions 4/659 dead transitions. [2021-03-26 05:18:26,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 659 transitions, 21674 flow [2021-03-26 05:18:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:18:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:18:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 788 transitions. [2021-03-26 05:18:26,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44519774011299434 [2021-03-26 05:18:26,331 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 788 transitions. [2021-03-26 05:18:26,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 788 transitions. [2021-03-26 05:18:26,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:26,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 788 transitions. [2021-03-26 05:18:26,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.53333333333333) internal successors, (788), 15 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:26,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 118.0) internal successors, (1888), 16 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:26,332 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 118.0) internal successors, (1888), 16 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:26,332 INFO L185 Difference]: Start difference. First operand has 513 places, 649 transitions, 20299 flow. Second operand 15 states and 788 transitions. [2021-03-26 05:18:26,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 659 transitions, 21674 flow [2021-03-26 05:18:26,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 659 transitions, 21533 flow, removed 11 selfloop flow, removed 14 redundant places. [2021-03-26 05:18:26,993 INFO L241 Difference]: Finished difference. Result has 515 places, 646 transitions, 20235 flow [2021-03-26 05:18:26,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=20160, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=592, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=20235, PETRI_PLACES=515, PETRI_TRANSITIONS=646} [2021-03-26 05:18:26,994 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 462 predicate places. [2021-03-26 05:18:26,994 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:26,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 646 transitions, 20235 flow [2021-03-26 05:18:26,994 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 646 transitions, 20235 flow [2021-03-26 05:18:27,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 513 places, 646 transitions, 20235 flow [2021-03-26 05:18:27,242 INFO L129 PetriNetUnfolder]: 553/1375 cut-off events. [2021-03-26 05:18:27,242 INFO L130 PetriNetUnfolder]: For 73502/73539 co-relation queries the response was YES. [2021-03-26 05:18:27,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16023 conditions, 1375 events. 553/1375 cut-off events. For 73502/73539 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10101 event pairs, 2 based on Foata normal form. 7/1190 useless extension candidates. Maximal degree in co-relation 15800. Up to 338 conditions per place. [2021-03-26 05:18:27,279 INFO L142 LiptonReduction]: Number of co-enabled transitions 2372 [2021-03-26 05:18:27,327 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:27,327 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:27,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 333 [2021-03-26 05:18:27,328 INFO L480 AbstractCegarLoop]: Abstraction has has 513 places, 646 transitions, 20235 flow [2021-03-26 05:18:27,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:27,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:27,328 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:27,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-03-26 05:18:27,328 INFO L428 AbstractCegarLoop]: === Iteration 138 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:27,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:27,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1455229544, now seen corresponding path program 1 times [2021-03-26 05:18:27,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:27,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521175395] [2021-03-26 05:18:27,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:27,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:27,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:27,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:27,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:27,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:27,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:27,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:27,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:27,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:27,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:27,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:27,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:27,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:27,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:27,391 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:27,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:27,404 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:27,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:27,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:27,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521175395] [2021-03-26 05:18:27,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:27,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:27,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727070574] [2021-03-26 05:18:27,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:27,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:27,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:27,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:27,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 118 [2021-03-26 05:18:27,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 646 transitions, 20235 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:27,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:27,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 118 [2021-03-26 05:18:27,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:28,025 INFO L129 PetriNetUnfolder]: 620/1475 cut-off events. [2021-03-26 05:18:28,025 INFO L130 PetriNetUnfolder]: For 79697/79707 co-relation queries the response was YES. [2021-03-26 05:18:28,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17905 conditions, 1475 events. 620/1475 cut-off events. For 79697/79707 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10545 event pairs, 10 based on Foata normal form. 11/1293 useless extension candidates. Maximal degree in co-relation 17678. Up to 875 conditions per place. [2021-03-26 05:18:28,053 INFO L132 encePairwiseOnDemand]: 102/118 looper letters, 601 selfloop transitions, 25 changer transitions 7/651 dead transitions. [2021-03-26 05:18:28,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 651 transitions, 21531 flow [2021-03-26 05:18:28,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:28,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 626 transitions. [2021-03-26 05:18:28,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.442090395480226 [2021-03-26 05:18:28,055 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 626 transitions. [2021-03-26 05:18:28,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 626 transitions. [2021-03-26 05:18:28,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:28,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 626 transitions. [2021-03-26 05:18:28,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.166666666666664) internal successors, (626), 12 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:28,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 118.0) internal successors, (1534), 13 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:28,056 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 118.0) internal successors, (1534), 13 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:28,056 INFO L185 Difference]: Start difference. First operand has 513 places, 646 transitions, 20235 flow. Second operand 12 states and 626 transitions. [2021-03-26 05:18:28,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 651 transitions, 21531 flow [2021-03-26 05:18:28,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 651 transitions, 21190 flow, removed 98 selfloop flow, removed 18 redundant places. [2021-03-26 05:18:28,626 INFO L241 Difference]: Finished difference. Result has 507 places, 639 transitions, 19724 flow [2021-03-26 05:18:28,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=19894, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=646, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=621, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19724, PETRI_PLACES=507, PETRI_TRANSITIONS=639} [2021-03-26 05:18:28,626 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 454 predicate places. [2021-03-26 05:18:28,626 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:28,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 639 transitions, 19724 flow [2021-03-26 05:18:28,626 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 639 transitions, 19724 flow [2021-03-26 05:18:28,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 499 places, 639 transitions, 19724 flow [2021-03-26 05:18:28,879 INFO L129 PetriNetUnfolder]: 543/1345 cut-off events. [2021-03-26 05:18:28,879 INFO L130 PetriNetUnfolder]: For 70023/70060 co-relation queries the response was YES. [2021-03-26 05:18:28,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15657 conditions, 1345 events. 543/1345 cut-off events. For 70023/70060 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 9806 event pairs, 2 based on Foata normal form. 7/1169 useless extension candidates. Maximal degree in co-relation 15436. Up to 336 conditions per place. [2021-03-26 05:18:28,915 INFO L142 LiptonReduction]: Number of co-enabled transitions 2338 [2021-03-26 05:18:28,980 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:28,980 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:28,980 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 354 [2021-03-26 05:18:28,981 INFO L480 AbstractCegarLoop]: Abstraction has has 499 places, 639 transitions, 19724 flow [2021-03-26 05:18:28,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:28,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:28,981 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:28,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-03-26 05:18:28,981 INFO L428 AbstractCegarLoop]: === Iteration 139 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:28,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:28,982 INFO L82 PathProgramCache]: Analyzing trace with hash 762826610, now seen corresponding path program 64 times [2021-03-26 05:18:28,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:28,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520987891] [2021-03-26 05:18:28,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:28,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:28,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:28,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:28,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:29,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:29,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:29,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:29,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:29,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:29,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:29,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:29,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:29,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:29,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:29,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:29,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:29,056 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:18:29,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:18:29,072 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:29,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:29,090 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:18:29,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:29,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520987891] [2021-03-26 05:18:29,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:29,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:29,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510541358] [2021-03-26 05:18:29,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:29,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:29,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:29,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:29,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 118 [2021-03-26 05:18:29,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 499 places, 639 transitions, 19724 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:29,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:29,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 118 [2021-03-26 05:18:29,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:29,898 INFO L129 PetriNetUnfolder]: 625/1485 cut-off events. [2021-03-26 05:18:29,898 INFO L130 PetriNetUnfolder]: For 81128/81134 co-relation queries the response was YES. [2021-03-26 05:18:29,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17750 conditions, 1485 events. 625/1485 cut-off events. For 81128/81134 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10642 event pairs, 2 based on Foata normal form. 8/1296 useless extension candidates. Maximal degree in co-relation 17510. Up to 773 conditions per place. [2021-03-26 05:18:29,925 INFO L132 encePairwiseOnDemand]: 101/118 looper letters, 465 selfloop transitions, 164 changer transitions 10/657 dead transitions. [2021-03-26 05:18:29,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 657 transitions, 21450 flow [2021-03-26 05:18:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:18:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:18:29,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 923 transitions. [2021-03-26 05:18:29,926 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46011964107676967 [2021-03-26 05:18:29,926 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 923 transitions. [2021-03-26 05:18:29,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 923 transitions. [2021-03-26 05:18:29,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:29,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 923 transitions. [2021-03-26 05:18:29,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 54.294117647058826) internal successors, (923), 17 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:29,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 118.0) internal successors, (2124), 18 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:29,928 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 118.0) internal successors, (2124), 18 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:29,928 INFO L185 Difference]: Start difference. First operand has 499 places, 639 transitions, 19724 flow. Second operand 17 states and 923 transitions. [2021-03-26 05:18:29,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 657 transitions, 21450 flow [2021-03-26 05:18:30,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 657 transitions, 21193 flow, removed 61 selfloop flow, removed 16 redundant places. [2021-03-26 05:18:30,583 INFO L241 Difference]: Finished difference. Result has 502 places, 635 transitions, 19561 flow [2021-03-26 05:18:30,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=19482, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=19561, PETRI_PLACES=502, PETRI_TRANSITIONS=635} [2021-03-26 05:18:30,583 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 449 predicate places. [2021-03-26 05:18:30,583 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:30,583 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 502 places, 635 transitions, 19561 flow [2021-03-26 05:18:30,583 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 502 places, 635 transitions, 19561 flow [2021-03-26 05:18:30,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 502 places, 635 transitions, 19561 flow [2021-03-26 05:18:30,810 INFO L129 PetriNetUnfolder]: 547/1364 cut-off events. [2021-03-26 05:18:30,811 INFO L130 PetriNetUnfolder]: For 70998/71051 co-relation queries the response was YES. [2021-03-26 05:18:30,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15450 conditions, 1364 events. 547/1364 cut-off events. For 70998/71051 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10025 event pairs, 2 based on Foata normal form. 8/1180 useless extension candidates. Maximal degree in co-relation 15234. Up to 330 conditions per place. [2021-03-26 05:18:30,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 2382 [2021-03-26 05:18:30,891 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:30,891 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:30,891 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-03-26 05:18:30,891 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 635 transitions, 19561 flow [2021-03-26 05:18:30,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:30,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:30,892 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:30,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-26 05:18:30,892 INFO L428 AbstractCegarLoop]: === Iteration 140 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:30,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:30,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1137406652, now seen corresponding path program 65 times [2021-03-26 05:18:30,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:30,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47594065] [2021-03-26 05:18:30,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:30,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:30,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:30,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:30,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:30,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:30,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:30,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:30,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:30,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:30,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:30,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:30,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:30,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:30,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:30,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:30,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:30,971 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:30,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:30,984 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:18:30,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:30,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47594065] [2021-03-26 05:18:30,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:30,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:30,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996630582] [2021-03-26 05:18:30,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:30,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:30,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:30,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:30,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 118 [2021-03-26 05:18:30,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 635 transitions, 19561 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:30,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:30,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 118 [2021-03-26 05:18:30,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:31,784 INFO L129 PetriNetUnfolder]: 620/1483 cut-off events. [2021-03-26 05:18:31,785 INFO L130 PetriNetUnfolder]: For 73245/73251 co-relation queries the response was YES. [2021-03-26 05:18:31,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17310 conditions, 1483 events. 620/1483 cut-off events. For 73245/73251 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 10659 event pairs, 1 based on Foata normal form. 7/1290 useless extension candidates. Maximal degree in co-relation 17072. Up to 771 conditions per place. [2021-03-26 05:18:31,807 INFO L132 encePairwiseOnDemand]: 101/118 looper letters, 473 selfloop transitions, 136 changer transitions 22/649 dead transitions. [2021-03-26 05:18:31,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 649 transitions, 20926 flow [2021-03-26 05:18:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:18:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:18:31,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 868 transitions. [2021-03-26 05:18:31,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4597457627118644 [2021-03-26 05:18:31,809 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 868 transitions. [2021-03-26 05:18:31,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 868 transitions. [2021-03-26 05:18:31,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:31,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 868 transitions. [2021-03-26 05:18:31,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.25) internal successors, (868), 16 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:31,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 118.0) internal successors, (2006), 17 states have internal predecessors, (2006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:31,810 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 118.0) internal successors, (2006), 17 states have internal predecessors, (2006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:31,810 INFO L185 Difference]: Start difference. First operand has 502 places, 635 transitions, 19561 flow. Second operand 16 states and 868 transitions. [2021-03-26 05:18:31,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 649 transitions, 20926 flow [2021-03-26 05:18:32,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 649 transitions, 20335 flow, removed 180 selfloop flow, removed 17 redundant places. [2021-03-26 05:18:32,401 INFO L241 Difference]: Finished difference. Result has 502 places, 614 transitions, 18158 flow [2021-03-26 05:18:32,401 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=18970, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=18158, PETRI_PLACES=502, PETRI_TRANSITIONS=614} [2021-03-26 05:18:32,401 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 449 predicate places. [2021-03-26 05:18:32,401 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:32,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 502 places, 614 transitions, 18158 flow [2021-03-26 05:18:32,402 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 502 places, 614 transitions, 18158 flow [2021-03-26 05:18:32,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 501 places, 614 transitions, 18158 flow [2021-03-26 05:18:32,606 INFO L129 PetriNetUnfolder]: 520/1274 cut-off events. [2021-03-26 05:18:32,606 INFO L130 PetriNetUnfolder]: For 67301/67361 co-relation queries the response was YES. [2021-03-26 05:18:32,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14422 conditions, 1274 events. 520/1274 cut-off events. For 67301/67361 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9249 event pairs, 0 based on Foata normal form. 6/1109 useless extension candidates. Maximal degree in co-relation 14206. Up to 318 conditions per place. [2021-03-26 05:18:32,637 INFO L142 LiptonReduction]: Number of co-enabled transitions 2330 [2021-03-26 05:18:32,777 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 05:18:32,777 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:18:32,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-03-26 05:18:32,778 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 614 transitions, 18174 flow [2021-03-26 05:18:32,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:32,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:32,778 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:32,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-03-26 05:18:32,778 INFO L428 AbstractCegarLoop]: === Iteration 141 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:32,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:32,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1646395054, now seen corresponding path program 66 times [2021-03-26 05:18:32,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:32,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604721123] [2021-03-26 05:18:32,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:32,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:32,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:32,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:32,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:32,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:32,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:32,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:32,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:32,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:32,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:32,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:32,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:32,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:32,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:32,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:32,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:32,835 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:32,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:32,846 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:32,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:32,861 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:32,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:32,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604721123] [2021-03-26 05:18:32,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:32,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:32,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664412336] [2021-03-26 05:18:32,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:32,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:32,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:32,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:32,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 120 [2021-03-26 05:18:32,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 614 transitions, 18174 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:32,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:32,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 120 [2021-03-26 05:18:32,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:33,511 INFO L129 PetriNetUnfolder]: 598/1421 cut-off events. [2021-03-26 05:18:33,512 INFO L130 PetriNetUnfolder]: For 70755/70761 co-relation queries the response was YES. [2021-03-26 05:18:33,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16437 conditions, 1421 events. 598/1421 cut-off events. For 70755/70761 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 10129 event pairs, 2 based on Foata normal form. 7/1243 useless extension candidates. Maximal degree in co-relation 16217. Up to 788 conditions per place. [2021-03-26 05:18:33,537 INFO L132 encePairwiseOnDemand]: 103/120 looper letters, 542 selfloop transitions, 67 changer transitions 0/627 dead transitions. [2021-03-26 05:18:33,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 627 transitions, 19530 flow [2021-03-26 05:18:33,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:18:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:18:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 601 transitions. [2021-03-26 05:18:33,538 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4553030303030303 [2021-03-26 05:18:33,538 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 601 transitions. [2021-03-26 05:18:33,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 601 transitions. [2021-03-26 05:18:33,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:33,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 601 transitions. [2021-03-26 05:18:33,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.63636363636363) internal successors, (601), 11 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:33,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 120.0) internal successors, (1440), 12 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:33,539 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 120.0) internal successors, (1440), 12 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:33,539 INFO L185 Difference]: Start difference. First operand has 501 places, 614 transitions, 18174 flow. Second operand 11 states and 601 transitions. [2021-03-26 05:18:33,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 627 transitions, 19530 flow [2021-03-26 05:18:34,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 627 transitions, 19081 flow, removed 57 selfloop flow, removed 31 redundant places. [2021-03-26 05:18:34,081 INFO L241 Difference]: Finished difference. Result has 482 places, 616 transitions, 17963 flow [2021-03-26 05:18:34,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=17727, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=548, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17963, PETRI_PLACES=482, PETRI_TRANSITIONS=616} [2021-03-26 05:18:34,081 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 429 predicate places. [2021-03-26 05:18:34,081 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:34,081 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 482 places, 616 transitions, 17963 flow [2021-03-26 05:18:34,081 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 482 places, 616 transitions, 17963 flow [2021-03-26 05:18:34,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 616 transitions, 17963 flow [2021-03-26 05:18:34,294 INFO L129 PetriNetUnfolder]: 544/1345 cut-off events. [2021-03-26 05:18:34,294 INFO L130 PetriNetUnfolder]: For 67002/67007 co-relation queries the response was YES. [2021-03-26 05:18:34,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14782 conditions, 1345 events. 544/1345 cut-off events. For 67002/67007 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 9751 event pairs, 1 based on Foata normal form. 3/1162 useless extension candidates. Maximal degree in co-relation 14570. Up to 318 conditions per place. [2021-03-26 05:18:34,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 2350 [2021-03-26 05:18:34,445 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:18:34,445 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:18:34,445 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 364 [2021-03-26 05:18:34,445 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 615 transitions, 17959 flow [2021-03-26 05:18:34,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:34,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:34,445 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:34,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-03-26 05:18:34,445 INFO L428 AbstractCegarLoop]: === Iteration 142 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:34,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:34,446 INFO L82 PathProgramCache]: Analyzing trace with hash -68984326, now seen corresponding path program 1 times [2021-03-26 05:18:34,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:34,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836054926] [2021-03-26 05:18:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:34,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:34,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:34,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:34,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:34,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:34,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:34,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:34,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:34,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:34,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:34,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:34,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:34,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:34,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:34,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:34,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:34,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:34,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:34,522 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:34,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:34,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836054926] [2021-03-26 05:18:34,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:34,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:34,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419907217] [2021-03-26 05:18:34,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:34,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:34,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:34,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:34,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 121 [2021-03-26 05:18:34,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 615 transitions, 17959 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:34,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:34,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 121 [2021-03-26 05:18:34,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:35,189 INFO L129 PetriNetUnfolder]: 606/1455 cut-off events. [2021-03-26 05:18:35,189 INFO L130 PetriNetUnfolder]: For 67960/67970 co-relation queries the response was YES. [2021-03-26 05:18:35,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16474 conditions, 1455 events. 606/1455 cut-off events. For 67960/67970 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 10462 event pairs, 11 based on Foata normal form. 11/1273 useless extension candidates. Maximal degree in co-relation 16258. Up to 753 conditions per place. [2021-03-26 05:18:35,214 INFO L132 encePairwiseOnDemand]: 104/121 looper letters, 446 selfloop transitions, 124 changer transitions 48/636 dead transitions. [2021-03-26 05:18:35,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 636 transitions, 19606 flow [2021-03-26 05:18:35,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:18:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:18:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 562 transitions. [2021-03-26 05:18:35,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4644628099173554 [2021-03-26 05:18:35,215 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 562 transitions. [2021-03-26 05:18:35,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 562 transitions. [2021-03-26 05:18:35,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:35,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 562 transitions. [2021-03-26 05:18:35,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.2) internal successors, (562), 10 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:35,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 121.0) internal successors, (1331), 11 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:35,216 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 121.0) internal successors, (1331), 11 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:35,216 INFO L185 Difference]: Start difference. First operand has 481 places, 615 transitions, 17959 flow. Second operand 10 states and 562 transitions. [2021-03-26 05:18:35,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 636 transitions, 19606 flow [2021-03-26 05:18:35,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 636 transitions, 19415 flow, removed 30 selfloop flow, removed 8 redundant places. [2021-03-26 05:18:35,782 INFO L241 Difference]: Finished difference. Result has 489 places, 580 transitions, 17316 flow [2021-03-26 05:18:35,782 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=17770, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=17316, PETRI_PLACES=489, PETRI_TRANSITIONS=580} [2021-03-26 05:18:35,782 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 436 predicate places. [2021-03-26 05:18:35,782 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:35,782 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 580 transitions, 17316 flow [2021-03-26 05:18:35,782 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 580 transitions, 17316 flow [2021-03-26 05:18:35,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 483 places, 580 transitions, 17316 flow [2021-03-26 05:18:35,990 INFO L129 PetriNetUnfolder]: 516/1259 cut-off events. [2021-03-26 05:18:35,990 INFO L130 PetriNetUnfolder]: For 62655/62704 co-relation queries the response was YES. [2021-03-26 05:18:36,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14328 conditions, 1259 events. 516/1259 cut-off events. For 62655/62704 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8794 event pairs, 4 based on Foata normal form. 4/1087 useless extension candidates. Maximal degree in co-relation 14109. Up to 314 conditions per place. [2021-03-26 05:18:36,022 INFO L142 LiptonReduction]: Number of co-enabled transitions 2074 [2021-03-26 05:18:36,165 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 05:18:36,166 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:18:36,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 384 [2021-03-26 05:18:36,166 INFO L480 AbstractCegarLoop]: Abstraction has has 483 places, 580 transitions, 17332 flow [2021-03-26 05:18:36,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:36,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:36,166 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:36,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-03-26 05:18:36,166 INFO L428 AbstractCegarLoop]: === Iteration 143 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:36,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:36,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1543648724, now seen corresponding path program 67 times [2021-03-26 05:18:36,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:36,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522370763] [2021-03-26 05:18:36,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:36,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:36,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:36,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:36,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:36,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:36,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:36,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:36,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:36,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:36,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:36,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:36,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:36,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:36,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:36,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:36,243 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:36,257 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:36,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:36,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522370763] [2021-03-26 05:18:36,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:36,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:36,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111849346] [2021-03-26 05:18:36,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:36,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:36,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:36,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:36,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 123 [2021-03-26 05:18:36,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 580 transitions, 17332 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:36,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:36,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 123 [2021-03-26 05:18:36,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:36,977 INFO L129 PetriNetUnfolder]: 581/1362 cut-off events. [2021-03-26 05:18:36,977 INFO L130 PetriNetUnfolder]: For 71753/71759 co-relation queries the response was YES. [2021-03-26 05:18:36,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16135 conditions, 1362 events. 581/1362 cut-off events. For 71753/71759 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9421 event pairs, 3 based on Foata normal form. 7/1189 useless extension candidates. Maximal degree in co-relation 15912. Up to 688 conditions per place. [2021-03-26 05:18:37,001 INFO L132 encePairwiseOnDemand]: 105/123 looper letters, 393 selfloop transitions, 180 changer transitions 11/602 dead transitions. [2021-03-26 05:18:37,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 602 transitions, 19059 flow [2021-03-26 05:18:37,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:18:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:18:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 709 transitions. [2021-03-26 05:18:37,003 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4434021263289556 [2021-03-26 05:18:37,003 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 709 transitions. [2021-03-26 05:18:37,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 709 transitions. [2021-03-26 05:18:37,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:37,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 709 transitions. [2021-03-26 05:18:37,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.53846153846154) internal successors, (709), 13 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:37,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 123.0) internal successors, (1722), 14 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:37,004 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 123.0) internal successors, (1722), 14 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:37,004 INFO L185 Difference]: Start difference. First operand has 483 places, 580 transitions, 17332 flow. Second operand 13 states and 709 transitions. [2021-03-26 05:18:37,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 602 transitions, 19059 flow [2021-03-26 05:18:37,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 602 transitions, 18143 flow, removed 110 selfloop flow, removed 31 redundant places. [2021-03-26 05:18:37,572 INFO L241 Difference]: Finished difference. Result has 467 places, 581 transitions, 17116 flow [2021-03-26 05:18:37,572 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=16430, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=17116, PETRI_PLACES=467, PETRI_TRANSITIONS=581} [2021-03-26 05:18:37,572 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 414 predicate places. [2021-03-26 05:18:37,572 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:37,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 467 places, 581 transitions, 17116 flow [2021-03-26 05:18:37,573 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 467 places, 581 transitions, 17116 flow [2021-03-26 05:18:37,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 464 places, 581 transitions, 17116 flow [2021-03-26 05:18:37,774 INFO L129 PetriNetUnfolder]: 510/1231 cut-off events. [2021-03-26 05:18:37,774 INFO L130 PetriNetUnfolder]: For 65223/65274 co-relation queries the response was YES. [2021-03-26 05:18:37,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14007 conditions, 1231 events. 510/1231 cut-off events. For 65223/65274 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8669 event pairs, 2 based on Foata normal form. 5/1069 useless extension candidates. Maximal degree in co-relation 13799. Up to 319 conditions per place. [2021-03-26 05:18:37,806 INFO L142 LiptonReduction]: Number of co-enabled transitions 2084 [2021-03-26 05:18:37,923 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:18:37,923 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:18:37,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 351 [2021-03-26 05:18:37,924 INFO L480 AbstractCegarLoop]: Abstraction has has 464 places, 581 transitions, 17173 flow [2021-03-26 05:18:37,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:37,924 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:37,924 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:37,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-03-26 05:18:37,924 INFO L428 AbstractCegarLoop]: === Iteration 144 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:37,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:37,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1082411270, now seen corresponding path program 1 times [2021-03-26 05:18:37,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:37,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161117043] [2021-03-26 05:18:37,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:37,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:37,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:37,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:37,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:37,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:37,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:37,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:37,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:37,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:37,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:37,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:37,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:37,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:37,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:38,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:38,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:38,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:38,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:38,033 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:38,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:38,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161117043] [2021-03-26 05:18:38,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:38,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:38,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420429202] [2021-03-26 05:18:38,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:38,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:38,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:38,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:38,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 05:18:38,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 581 transitions, 17173 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:38,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:38,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 05:18:38,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:38,653 INFO L129 PetriNetUnfolder]: 571/1338 cut-off events. [2021-03-26 05:18:38,654 INFO L130 PetriNetUnfolder]: For 69398/69410 co-relation queries the response was YES. [2021-03-26 05:18:38,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15821 conditions, 1338 events. 571/1338 cut-off events. For 69398/69410 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9235 event pairs, 3 based on Foata normal form. 13/1179 useless extension candidates. Maximal degree in co-relation 15609. Up to 749 conditions per place. [2021-03-26 05:18:38,677 INFO L132 encePairwiseOnDemand]: 107/124 looper letters, 486 selfloop transitions, 97 changer transitions 0/601 dead transitions. [2021-03-26 05:18:38,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 601 transitions, 18912 flow [2021-03-26 05:18:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 656 transitions. [2021-03-26 05:18:38,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44086021505376344 [2021-03-26 05:18:38,678 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 656 transitions. [2021-03-26 05:18:38,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 656 transitions. [2021-03-26 05:18:38,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:38,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 656 transitions. [2021-03-26 05:18:38,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.666666666666664) internal successors, (656), 12 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:38,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:38,679 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:38,679 INFO L185 Difference]: Start difference. First operand has 464 places, 581 transitions, 17173 flow. Second operand 12 states and 656 transitions. [2021-03-26 05:18:38,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 601 transitions, 18912 flow [2021-03-26 05:18:39,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 601 transitions, 17881 flow, removed 261 selfloop flow, removed 15 redundant places. [2021-03-26 05:18:39,186 INFO L241 Difference]: Finished difference. Result has 464 places, 589 transitions, 16852 flow [2021-03-26 05:18:39,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=16149, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16852, PETRI_PLACES=464, PETRI_TRANSITIONS=589} [2021-03-26 05:18:39,186 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 411 predicate places. [2021-03-26 05:18:39,186 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:39,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 464 places, 589 transitions, 16852 flow [2021-03-26 05:18:39,186 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 464 places, 589 transitions, 16852 flow [2021-03-26 05:18:39,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 464 places, 589 transitions, 16852 flow [2021-03-26 05:18:39,378 INFO L129 PetriNetUnfolder]: 504/1242 cut-off events. [2021-03-26 05:18:39,378 INFO L130 PetriNetUnfolder]: For 61171/61200 co-relation queries the response was YES. [2021-03-26 05:18:39,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13618 conditions, 1242 events. 504/1242 cut-off events. For 61171/61200 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 8815 event pairs, 0 based on Foata normal form. 8/1080 useless extension candidates. Maximal degree in co-relation 13414. Up to 308 conditions per place. [2021-03-26 05:18:39,407 INFO L142 LiptonReduction]: Number of co-enabled transitions 2124 [2021-03-26 05:18:39,471 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:39,472 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:39,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 286 [2021-03-26 05:18:39,472 INFO L480 AbstractCegarLoop]: Abstraction has has 464 places, 589 transitions, 16852 flow [2021-03-26 05:18:39,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:39,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:39,472 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:39,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-03-26 05:18:39,473 INFO L428 AbstractCegarLoop]: === Iteration 145 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:39,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:39,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1516402944, now seen corresponding path program 2 times [2021-03-26 05:18:39,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:39,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451264609] [2021-03-26 05:18:39,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:39,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:39,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:39,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:39,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:39,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:39,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:39,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:39,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:39,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:39,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:39,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:39,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:39,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:39,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:39,556 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:39,574 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:18:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:39,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:39,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451264609] [2021-03-26 05:18:39,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:39,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:39,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094853583] [2021-03-26 05:18:39,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:39,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:39,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:39,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:39,578 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 05:18:39,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 589 transitions, 16852 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:39,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:39,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 05:18:39,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:40,231 INFO L129 PetriNetUnfolder]: 572/1346 cut-off events. [2021-03-26 05:18:40,231 INFO L130 PetriNetUnfolder]: For 65987/65991 co-relation queries the response was YES. [2021-03-26 05:18:40,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15407 conditions, 1346 events. 572/1346 cut-off events. For 65987/65991 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9297 event pairs, 12 based on Foata normal form. 5/1177 useless extension candidates. Maximal degree in co-relation 15199. Up to 779 conditions per place. [2021-03-26 05:18:40,253 INFO L132 encePairwiseOnDemand]: 110/124 looper letters, 507 selfloop transitions, 62 changer transitions 13/600 dead transitions. [2021-03-26 05:18:40,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 600 transitions, 18206 flow [2021-03-26 05:18:40,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 05:18:40,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43413978494623656 [2021-03-26 05:18:40,254 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 05:18:40,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 05:18:40,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:40,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 05:18:40,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:40,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:40,255 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:40,255 INFO L185 Difference]: Start difference. First operand has 464 places, 589 transitions, 16852 flow. Second operand 12 states and 646 transitions. [2021-03-26 05:18:40,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 600 transitions, 18206 flow [2021-03-26 05:18:40,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 600 transitions, 18070 flow, removed 46 selfloop flow, removed 5 redundant places. [2021-03-26 05:18:40,747 INFO L241 Difference]: Finished difference. Result has 472 places, 578 transitions, 16693 flow [2021-03-26 05:18:40,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=16716, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16693, PETRI_PLACES=472, PETRI_TRANSITIONS=578} [2021-03-26 05:18:40,748 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 419 predicate places. [2021-03-26 05:18:40,748 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:40,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 578 transitions, 16693 flow [2021-03-26 05:18:40,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 578 transitions, 16693 flow [2021-03-26 05:18:40,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 578 transitions, 16693 flow [2021-03-26 05:18:40,933 INFO L129 PetriNetUnfolder]: 490/1199 cut-off events. [2021-03-26 05:18:40,933 INFO L130 PetriNetUnfolder]: For 58696/58731 co-relation queries the response was YES. [2021-03-26 05:18:40,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13530 conditions, 1199 events. 490/1199 cut-off events. For 58696/58731 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8387 event pairs, 0 based on Foata normal form. 7/1045 useless extension candidates. Maximal degree in co-relation 13323. Up to 308 conditions per place. [2021-03-26 05:18:40,962 INFO L142 LiptonReduction]: Number of co-enabled transitions 1988 [2021-03-26 05:18:41,000 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:41,000 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:41,000 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 252 [2021-03-26 05:18:41,000 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 578 transitions, 16693 flow [2021-03-26 05:18:41,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:41,001 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:41,001 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:41,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-03-26 05:18:41,001 INFO L428 AbstractCegarLoop]: === Iteration 146 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:41,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:41,001 INFO L82 PathProgramCache]: Analyzing trace with hash -400688376, now seen corresponding path program 3 times [2021-03-26 05:18:41,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:41,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388085635] [2021-03-26 05:18:41,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:41,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:41,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:41,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:41,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:41,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:41,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:41,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:41,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:41,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:41,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:41,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:41,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:41,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:41,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:41,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:41,074 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:41,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:41,086 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:41,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:41,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388085635] [2021-03-26 05:18:41,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:41,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:41,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038547210] [2021-03-26 05:18:41,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:41,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:41,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:41,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:41,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 05:18:41,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 578 transitions, 16693 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:41,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:41,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 05:18:41,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:41,607 INFO L129 PetriNetUnfolder]: 570/1340 cut-off events. [2021-03-26 05:18:41,607 INFO L130 PetriNetUnfolder]: For 66305/66317 co-relation queries the response was YES. [2021-03-26 05:18:41,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15681 conditions, 1340 events. 570/1340 cut-off events. For 66305/66317 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9233 event pairs, 4 based on Foata normal form. 13/1180 useless extension candidates. Maximal degree in co-relation 15470. Up to 769 conditions per place. [2021-03-26 05:18:41,630 INFO L132 encePairwiseOnDemand]: 108/124 looper letters, 507 selfloop transitions, 72 changer transitions 0/597 dead transitions. [2021-03-26 05:18:41,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 597 transitions, 18512 flow [2021-03-26 05:18:41,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:18:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:18:41,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 598 transitions. [2021-03-26 05:18:41,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43841642228739003 [2021-03-26 05:18:41,632 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 598 transitions. [2021-03-26 05:18:41,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 598 transitions. [2021-03-26 05:18:41,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:41,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 598 transitions. [2021-03-26 05:18:41,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.36363636363637) internal successors, (598), 11 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:41,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 124.0) internal successors, (1488), 12 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:41,633 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 124.0) internal successors, (1488), 12 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:41,633 INFO L185 Difference]: Start difference. First operand has 470 places, 578 transitions, 16693 flow. Second operand 11 states and 598 transitions. [2021-03-26 05:18:41,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 597 transitions, 18512 flow [2021-03-26 05:18:42,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 597 transitions, 18057 flow, removed 86 selfloop flow, removed 13 redundant places. [2021-03-26 05:18:42,186 INFO L241 Difference]: Finished difference. Result has 470 places, 586 transitions, 16967 flow [2021-03-26 05:18:42,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=16251, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16967, PETRI_PLACES=470, PETRI_TRANSITIONS=586} [2021-03-26 05:18:42,186 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 417 predicate places. [2021-03-26 05:18:42,186 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:42,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 470 places, 586 transitions, 16967 flow [2021-03-26 05:18:42,186 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 470 places, 586 transitions, 16967 flow [2021-03-26 05:18:42,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 586 transitions, 16967 flow [2021-03-26 05:18:42,385 INFO L129 PetriNetUnfolder]: 501/1235 cut-off events. [2021-03-26 05:18:42,385 INFO L130 PetriNetUnfolder]: For 59958/59992 co-relation queries the response was YES. [2021-03-26 05:18:42,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13852 conditions, 1235 events. 501/1235 cut-off events. For 59958/59992 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 8774 event pairs, 3 based on Foata normal form. 8/1075 useless extension candidates. Maximal degree in co-relation 13643. Up to 311 conditions per place. [2021-03-26 05:18:42,414 INFO L142 LiptonReduction]: Number of co-enabled transitions 2014 [2021-03-26 05:18:42,452 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:42,452 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:42,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-03-26 05:18:42,453 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 586 transitions, 16967 flow [2021-03-26 05:18:42,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:42,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:42,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:42,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-03-26 05:18:42,453 INFO L428 AbstractCegarLoop]: === Iteration 147 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:42,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:42,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1561095746, now seen corresponding path program 4 times [2021-03-26 05:18:42,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:42,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243125565] [2021-03-26 05:18:42,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:42,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:42,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:42,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:42,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:42,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:42,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:42,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:42,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:42,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:42,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:42,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:42,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:42,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:42,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:42,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:42,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:42,526 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:18:42,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:42,539 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:42,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:42,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243125565] [2021-03-26 05:18:42,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:42,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:42,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729317297] [2021-03-26 05:18:42,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:42,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:42,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:42,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:42,542 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 05:18:42,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 586 transitions, 16967 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:42,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:42,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 05:18:42,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:43,140 INFO L129 PetriNetUnfolder]: 579/1375 cut-off events. [2021-03-26 05:18:43,140 INFO L130 PetriNetUnfolder]: For 69080/69092 co-relation queries the response was YES. [2021-03-26 05:18:43,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15813 conditions, 1375 events. 579/1375 cut-off events. For 69080/69092 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9699 event pairs, 3 based on Foata normal form. 13/1205 useless extension candidates. Maximal degree in co-relation 15600. Up to 751 conditions per place. [2021-03-26 05:18:43,164 INFO L132 encePairwiseOnDemand]: 108/124 looper letters, 486 selfloop transitions, 100 changer transitions 0/604 dead transitions. [2021-03-26 05:18:43,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 604 transitions, 18603 flow [2021-03-26 05:18:43,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 650 transitions. [2021-03-26 05:18:43,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4368279569892473 [2021-03-26 05:18:43,165 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 650 transitions. [2021-03-26 05:18:43,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 650 transitions. [2021-03-26 05:18:43,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:43,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 650 transitions. [2021-03-26 05:18:43,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.166666666666664) internal successors, (650), 12 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:43,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:43,167 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:43,167 INFO L185 Difference]: Start difference. First operand has 470 places, 586 transitions, 16967 flow. Second operand 12 states and 650 transitions. [2021-03-26 05:18:43,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 604 transitions, 18603 flow [2021-03-26 05:18:43,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 604 transitions, 18444 flow, removed 47 selfloop flow, removed 5 redundant places. [2021-03-26 05:18:43,696 INFO L241 Difference]: Finished difference. Result has 479 places, 592 transitions, 17402 flow [2021-03-26 05:18:43,696 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=16808, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17402, PETRI_PLACES=479, PETRI_TRANSITIONS=592} [2021-03-26 05:18:43,696 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 426 predicate places. [2021-03-26 05:18:43,696 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:43,696 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 592 transitions, 17402 flow [2021-03-26 05:18:43,696 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 592 transitions, 17402 flow [2021-03-26 05:18:43,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 592 transitions, 17402 flow [2021-03-26 05:18:43,898 INFO L129 PetriNetUnfolder]: 526/1285 cut-off events. [2021-03-26 05:18:43,898 INFO L130 PetriNetUnfolder]: For 71023/71033 co-relation queries the response was YES. [2021-03-26 05:18:43,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14364 conditions, 1285 events. 526/1285 cut-off events. For 71023/71033 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9201 event pairs, 2 based on Foata normal form. 5/1111 useless extension candidates. Maximal degree in co-relation 14152. Up to 325 conditions per place. [2021-03-26 05:18:43,929 INFO L142 LiptonReduction]: Number of co-enabled transitions 2040 [2021-03-26 05:18:43,968 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:43,968 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:43,968 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 272 [2021-03-26 05:18:43,968 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 592 transitions, 17402 flow [2021-03-26 05:18:43,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:43,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:43,969 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:43,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-03-26 05:18:43,969 INFO L428 AbstractCegarLoop]: === Iteration 148 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:43,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:43,969 INFO L82 PathProgramCache]: Analyzing trace with hash 842113642, now seen corresponding path program 5 times [2021-03-26 05:18:43,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:43,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939884642] [2021-03-26 05:18:43,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:43,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:43,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:43,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:43,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:43,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:43,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:43,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:44,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:44,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:44,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:44,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:44,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:44,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:44,023 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:18:44,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:18:44,034 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:44,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:44,046 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:18:44,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:44,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939884642] [2021-03-26 05:18:44,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:44,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:44,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609891392] [2021-03-26 05:18:44,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:44,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:44,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:44,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:44,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 05:18:44,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 592 transitions, 17402 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:44,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:44,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 05:18:44,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:44,605 INFO L129 PetriNetUnfolder]: 586/1395 cut-off events. [2021-03-26 05:18:44,606 INFO L130 PetriNetUnfolder]: For 70488/70498 co-relation queries the response was YES. [2021-03-26 05:18:44,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16039 conditions, 1395 events. 586/1395 cut-off events. For 70488/70498 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9831 event pairs, 11 based on Foata normal form. 11/1218 useless extension candidates. Maximal degree in co-relation 15823. Up to 783 conditions per place. [2021-03-26 05:18:44,630 INFO L132 encePairwiseOnDemand]: 108/124 looper letters, 515 selfloop transitions, 72 changer transitions 3/608 dead transitions. [2021-03-26 05:18:44,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 608 transitions, 18898 flow [2021-03-26 05:18:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:18:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:18:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 598 transitions. [2021-03-26 05:18:44,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43841642228739003 [2021-03-26 05:18:44,631 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 598 transitions. [2021-03-26 05:18:44,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 598 transitions. [2021-03-26 05:18:44,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:44,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 598 transitions. [2021-03-26 05:18:44,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.36363636363637) internal successors, (598), 11 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:44,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 124.0) internal successors, (1488), 12 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:44,633 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 124.0) internal successors, (1488), 12 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:44,633 INFO L185 Difference]: Start difference. First operand has 479 places, 592 transitions, 17402 flow. Second operand 11 states and 598 transitions. [2021-03-26 05:18:44,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 608 transitions, 18898 flow [2021-03-26 05:18:45,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 608 transitions, 18737 flow, removed 41 selfloop flow, removed 6 redundant places. [2021-03-26 05:18:45,198 INFO L241 Difference]: Finished difference. Result has 485 places, 596 transitions, 17576 flow [2021-03-26 05:18:45,199 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=17241, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17576, PETRI_PLACES=485, PETRI_TRANSITIONS=596} [2021-03-26 05:18:45,199 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 432 predicate places. [2021-03-26 05:18:45,199 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:45,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 485 places, 596 transitions, 17576 flow [2021-03-26 05:18:45,199 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 485 places, 596 transitions, 17576 flow [2021-03-26 05:18:45,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 596 transitions, 17576 flow [2021-03-26 05:18:45,410 INFO L129 PetriNetUnfolder]: 512/1270 cut-off events. [2021-03-26 05:18:45,410 INFO L130 PetriNetUnfolder]: For 63500/63536 co-relation queries the response was YES. [2021-03-26 05:18:45,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14190 conditions, 1270 events. 512/1270 cut-off events. For 63500/63536 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9102 event pairs, 2 based on Foata normal form. 8/1099 useless extension candidates. Maximal degree in co-relation 13977. Up to 317 conditions per place. [2021-03-26 05:18:45,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 2068 [2021-03-26 05:18:45,484 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:45,484 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:45,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 286 [2021-03-26 05:18:45,485 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 596 transitions, 17576 flow [2021-03-26 05:18:45,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:45,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:45,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:45,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-03-26 05:18:45,485 INFO L428 AbstractCegarLoop]: === Iteration 149 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:45,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:45,485 INFO L82 PathProgramCache]: Analyzing trace with hash 405746710, now seen corresponding path program 6 times [2021-03-26 05:18:45,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:45,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218048623] [2021-03-26 05:18:45,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:45,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:45,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:45,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:45,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:45,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:45,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:45,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:45,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:45,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:45,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:45,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:45,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:45,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:45,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:45,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:45,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:45,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:45,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:45,580 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:45,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:45,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218048623] [2021-03-26 05:18:45,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:45,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:45,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869486734] [2021-03-26 05:18:45,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:45,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:45,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:45,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:45,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 05:18:45,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 596 transitions, 17576 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:45,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:45,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 05:18:45,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:46,198 INFO L129 PetriNetUnfolder]: 587/1388 cut-off events. [2021-03-26 05:18:46,199 INFO L130 PetriNetUnfolder]: For 70238/70242 co-relation queries the response was YES. [2021-03-26 05:18:46,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16274 conditions, 1388 events. 587/1388 cut-off events. For 70238/70242 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9713 event pairs, 11 based on Foata normal form. 5/1209 useless extension candidates. Maximal degree in co-relation 16057. Up to 789 conditions per place. [2021-03-26 05:18:46,224 INFO L132 encePairwiseOnDemand]: 106/124 looper letters, 525 selfloop transitions, 66 changer transitions 7/616 dead transitions. [2021-03-26 05:18:46,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 616 transitions, 19547 flow [2021-03-26 05:18:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 652 transitions. [2021-03-26 05:18:46,225 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4381720430107527 [2021-03-26 05:18:46,225 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 652 transitions. [2021-03-26 05:18:46,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 652 transitions. [2021-03-26 05:18:46,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:46,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 652 transitions. [2021-03-26 05:18:46,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.333333333333336) internal successors, (652), 12 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:46,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:46,227 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:46,227 INFO L185 Difference]: Start difference. First operand has 485 places, 596 transitions, 17576 flow. Second operand 12 states and 652 transitions. [2021-03-26 05:18:46,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 616 transitions, 19547 flow [2021-03-26 05:18:46,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 616 transitions, 19353 flow, removed 55 selfloop flow, removed 8 redundant places. [2021-03-26 05:18:46,811 INFO L241 Difference]: Finished difference. Result has 492 places, 600 transitions, 18012 flow [2021-03-26 05:18:46,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=17382, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18012, PETRI_PLACES=492, PETRI_TRANSITIONS=600} [2021-03-26 05:18:46,812 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 439 predicate places. [2021-03-26 05:18:46,812 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:46,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 492 places, 600 transitions, 18012 flow [2021-03-26 05:18:46,812 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 492 places, 600 transitions, 18012 flow [2021-03-26 05:18:46,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 489 places, 600 transitions, 18012 flow [2021-03-26 05:18:47,012 INFO L129 PetriNetUnfolder]: 506/1226 cut-off events. [2021-03-26 05:18:47,012 INFO L130 PetriNetUnfolder]: For 67571/67592 co-relation queries the response was YES. [2021-03-26 05:18:47,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14195 conditions, 1226 events. 506/1226 cut-off events. For 67571/67592 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8644 event pairs, 2 based on Foata normal form. 9/1071 useless extension candidates. Maximal degree in co-relation 13979. Up to 320 conditions per place. [2021-03-26 05:18:47,042 INFO L142 LiptonReduction]: Number of co-enabled transitions 2040 [2021-03-26 05:18:47,082 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:47,082 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:47,083 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-03-26 05:18:47,083 INFO L480 AbstractCegarLoop]: Abstraction has has 489 places, 600 transitions, 18012 flow [2021-03-26 05:18:47,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:47,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:47,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:47,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-03-26 05:18:47,083 INFO L428 AbstractCegarLoop]: === Iteration 150 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:47,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:47,083 INFO L82 PathProgramCache]: Analyzing trace with hash -603827552, now seen corresponding path program 7 times [2021-03-26 05:18:47,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:47,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585382688] [2021-03-26 05:18:47,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:47,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:47,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:47,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:47,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:47,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:47,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:47,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:47,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:47,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:47,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:47,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:47,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:47,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:47,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:47,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:47,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:47,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:47,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:47,195 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:47,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:47,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585382688] [2021-03-26 05:18:47,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:47,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:47,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309785372] [2021-03-26 05:18:47,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:47,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:47,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:47,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:47,198 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 05:18:47,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 600 transitions, 18012 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:47,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:47,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 05:18:47,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:47,829 INFO L129 PetriNetUnfolder]: 587/1380 cut-off events. [2021-03-26 05:18:47,830 INFO L130 PetriNetUnfolder]: For 72091/72101 co-relation queries the response was YES. [2021-03-26 05:18:47,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16282 conditions, 1380 events. 587/1380 cut-off events. For 72091/72101 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 9590 event pairs, 11 based on Foata normal form. 12/1209 useless extension candidates. Maximal degree in co-relation 16062. Up to 769 conditions per place. [2021-03-26 05:18:47,855 INFO L132 encePairwiseOnDemand]: 106/124 looper letters, 502 selfloop transitions, 92 changer transitions 5/617 dead transitions. [2021-03-26 05:18:47,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 617 transitions, 19670 flow [2021-03-26 05:18:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:18:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:18:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 05:18:47,856 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43734491315136476 [2021-03-26 05:18:47,856 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 05:18:47,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 05:18:47,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:47,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 05:18:47,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:47,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:47,857 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:47,857 INFO L185 Difference]: Start difference. First operand has 489 places, 600 transitions, 18012 flow. Second operand 13 states and 705 transitions. [2021-03-26 05:18:47,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 617 transitions, 19670 flow [2021-03-26 05:18:48,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 617 transitions, 19488 flow, removed 21 selfloop flow, removed 11 redundant places. [2021-03-26 05:18:48,430 INFO L241 Difference]: Finished difference. Result has 494 places, 602 transitions, 18274 flow [2021-03-26 05:18:48,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=17834, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=600, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18274, PETRI_PLACES=494, PETRI_TRANSITIONS=602} [2021-03-26 05:18:48,430 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 441 predicate places. [2021-03-26 05:18:48,430 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:48,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 602 transitions, 18274 flow [2021-03-26 05:18:48,430 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 602 transitions, 18274 flow [2021-03-26 05:18:48,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 602 transitions, 18274 flow [2021-03-26 05:18:48,646 INFO L129 PetriNetUnfolder]: 531/1289 cut-off events. [2021-03-26 05:18:48,646 INFO L130 PetriNetUnfolder]: For 69199/69219 co-relation queries the response was YES. [2021-03-26 05:18:48,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14750 conditions, 1289 events. 531/1289 cut-off events. For 69199/69219 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9093 event pairs, 1 based on Foata normal form. 6/1114 useless extension candidates. Maximal degree in co-relation 14532. Up to 325 conditions per place. [2021-03-26 05:18:48,680 INFO L142 LiptonReduction]: Number of co-enabled transitions 2038 [2021-03-26 05:18:48,721 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:48,721 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:48,721 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 291 [2021-03-26 05:18:48,722 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 602 transitions, 18274 flow [2021-03-26 05:18:48,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:48,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:48,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:48,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-03-26 05:18:48,722 INFO L428 AbstractCegarLoop]: === Iteration 151 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:48,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:48,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1640458940, now seen corresponding path program 8 times [2021-03-26 05:18:48,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:48,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549625810] [2021-03-26 05:18:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:48,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:48,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:48,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:48,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:48,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:48,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:48,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:48,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:48,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:48,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:48,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:48,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:48,784 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:18:48,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:18:48,796 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:48,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:48,809 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:18:48,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:48,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:48,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549625810] [2021-03-26 05:18:48,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:48,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:48,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996200753] [2021-03-26 05:18:48,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:48,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:48,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:48,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:48,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 05:18:48,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 602 transitions, 18274 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:48,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:48,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 05:18:48,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:49,431 INFO L129 PetriNetUnfolder]: 577/1351 cut-off events. [2021-03-26 05:18:49,431 INFO L130 PetriNetUnfolder]: For 71337/71341 co-relation queries the response was YES. [2021-03-26 05:18:49,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16209 conditions, 1351 events. 577/1351 cut-off events. For 71337/71341 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9278 event pairs, 11 based on Foata normal form. 5/1181 useless extension candidates. Maximal degree in co-relation 15987. Up to 769 conditions per place. [2021-03-26 05:18:49,456 INFO L132 encePairwiseOnDemand]: 108/124 looper letters, 508 selfloop transitions, 76 changer transitions 11/613 dead transitions. [2021-03-26 05:18:49,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 613 transitions, 19588 flow [2021-03-26 05:18:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 649 transitions. [2021-03-26 05:18:49,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4361559139784946 [2021-03-26 05:18:49,457 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 649 transitions. [2021-03-26 05:18:49,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 649 transitions. [2021-03-26 05:18:49,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:49,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 649 transitions. [2021-03-26 05:18:49,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.083333333333336) internal successors, (649), 12 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:49,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:49,458 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:49,458 INFO L185 Difference]: Start difference. First operand has 493 places, 602 transitions, 18274 flow. Second operand 12 states and 649 transitions. [2021-03-26 05:18:49,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 613 transitions, 19588 flow [2021-03-26 05:18:50,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 613 transitions, 19352 flow, removed 75 selfloop flow, removed 9 redundant places. [2021-03-26 05:18:50,022 INFO L241 Difference]: Finished difference. Result has 497 places, 593 transitions, 17982 flow [2021-03-26 05:18:50,022 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=18038, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17982, PETRI_PLACES=497, PETRI_TRANSITIONS=593} [2021-03-26 05:18:50,022 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 444 predicate places. [2021-03-26 05:18:50,022 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:50,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 497 places, 593 transitions, 17982 flow [2021-03-26 05:18:50,023 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 497 places, 593 transitions, 17982 flow [2021-03-26 05:18:50,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 495 places, 593 transitions, 17982 flow [2021-03-26 05:18:50,233 INFO L129 PetriNetUnfolder]: 517/1240 cut-off events. [2021-03-26 05:18:50,233 INFO L130 PetriNetUnfolder]: For 68794/68894 co-relation queries the response was YES. [2021-03-26 05:18:50,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14402 conditions, 1240 events. 517/1240 cut-off events. For 68794/68894 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8671 event pairs, 2 based on Foata normal form. 6/1075 useless extension candidates. Maximal degree in co-relation 14183. Up to 321 conditions per place. [2021-03-26 05:18:50,266 INFO L142 LiptonReduction]: Number of co-enabled transitions 2030 [2021-03-26 05:18:50,410 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 05:18:50,410 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:18:50,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 388 [2021-03-26 05:18:50,410 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 593 transitions, 17991 flow [2021-03-26 05:18:50,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:50,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:50,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:50,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-03-26 05:18:50,410 INFO L428 AbstractCegarLoop]: === Iteration 152 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:50,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:50,411 INFO L82 PathProgramCache]: Analyzing trace with hash 573359530, now seen corresponding path program 9 times [2021-03-26 05:18:50,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:50,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698013582] [2021-03-26 05:18:50,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:50,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:50,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:50,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:50,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:50,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:50,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:50,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:50,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:50,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:50,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:50,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:50,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:50,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:50,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:50,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:50,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:50,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:50,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:50,498 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:50,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:50,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698013582] [2021-03-26 05:18:50,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:50,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:50,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587436234] [2021-03-26 05:18:50,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:50,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:50,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:50,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:50,502 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 125 [2021-03-26 05:18:50,502 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 593 transitions, 17991 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:50,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:50,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 125 [2021-03-26 05:18:50,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:51,252 INFO L129 PetriNetUnfolder]: 595/1407 cut-off events. [2021-03-26 05:18:51,252 INFO L130 PetriNetUnfolder]: For 70998/71002 co-relation queries the response was YES. [2021-03-26 05:18:51,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16472 conditions, 1407 events. 595/1407 cut-off events. For 70998/71002 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 9834 event pairs, 12 based on Foata normal form. 5/1222 useless extension candidates. Maximal degree in co-relation 16238. Up to 744 conditions per place. [2021-03-26 05:18:51,278 INFO L132 encePairwiseOnDemand]: 107/125 looper letters, 466 selfloop transitions, 133 changer transitions 12/629 dead transitions. [2021-03-26 05:18:51,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 629 transitions, 20048 flow [2021-03-26 05:18:51,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:18:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:18:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 810 transitions. [2021-03-26 05:18:51,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.432 [2021-03-26 05:18:51,279 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 810 transitions. [2021-03-26 05:18:51,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 810 transitions. [2021-03-26 05:18:51,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:51,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 810 transitions. [2021-03-26 05:18:51,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.0) internal successors, (810), 15 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:51,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 125.0) internal successors, (2000), 16 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:51,281 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 125.0) internal successors, (2000), 16 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:51,281 INFO L185 Difference]: Start difference. First operand has 495 places, 593 transitions, 17991 flow. Second operand 15 states and 810 transitions. [2021-03-26 05:18:51,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 629 transitions, 20048 flow [2021-03-26 05:18:51,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 629 transitions, 19772 flow, removed 14 selfloop flow, removed 14 redundant places. [2021-03-26 05:18:51,850 INFO L241 Difference]: Finished difference. Result has 499 places, 606 transitions, 18277 flow [2021-03-26 05:18:51,850 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=17715, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=18277, PETRI_PLACES=499, PETRI_TRANSITIONS=606} [2021-03-26 05:18:51,851 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 446 predicate places. [2021-03-26 05:18:51,851 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:51,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 499 places, 606 transitions, 18277 flow [2021-03-26 05:18:51,851 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 499 places, 606 transitions, 18277 flow [2021-03-26 05:18:51,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 499 places, 606 transitions, 18277 flow [2021-03-26 05:18:52,066 INFO L129 PetriNetUnfolder]: 520/1286 cut-off events. [2021-03-26 05:18:52,066 INFO L130 PetriNetUnfolder]: For 62437/62473 co-relation queries the response was YES. [2021-03-26 05:18:52,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14423 conditions, 1286 events. 520/1286 cut-off events. For 62437/62473 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9217 event pairs, 0 based on Foata normal form. 8/1108 useless extension candidates. Maximal degree in co-relation 14202. Up to 313 conditions per place. [2021-03-26 05:18:52,099 INFO L142 LiptonReduction]: Number of co-enabled transitions 2160 [2021-03-26 05:18:52,220 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:52,221 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:18:52,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 370 [2021-03-26 05:18:52,221 INFO L480 AbstractCegarLoop]: Abstraction has has 499 places, 606 transitions, 18325 flow [2021-03-26 05:18:52,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:52,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:52,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:52,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-03-26 05:18:52,221 INFO L428 AbstractCegarLoop]: === Iteration 153 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:52,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:52,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1162007925, now seen corresponding path program 1 times [2021-03-26 05:18:52,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:52,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478564413] [2021-03-26 05:18:52,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:52,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:52,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:52,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:52,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:52,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:52,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:52,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:52,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:52,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:52,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:52,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:52,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:52,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:52,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:52,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:52,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:52,285 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:52,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:52,297 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:52,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:52,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478564413] [2021-03-26 05:18:52,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:52,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:52,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682459429] [2021-03-26 05:18:52,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:52,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:52,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:52,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:52,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2021-03-26 05:18:52,300 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 499 places, 606 transitions, 18325 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:52,300 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:52,300 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2021-03-26 05:18:52,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:52,950 INFO L129 PetriNetUnfolder]: 591/1407 cut-off events. [2021-03-26 05:18:52,950 INFO L130 PetriNetUnfolder]: For 71459/71471 co-relation queries the response was YES. [2021-03-26 05:18:52,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16450 conditions, 1407 events. 591/1407 cut-off events. For 71459/71471 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9923 event pairs, 3 based on Foata normal form. 13/1227 useless extension candidates. Maximal degree in co-relation 16225. Up to 741 conditions per place. [2021-03-26 05:18:52,976 INFO L132 encePairwiseOnDemand]: 108/126 looper letters, 461 selfloop transitions, 127 changer transitions 13/619 dead transitions. [2021-03-26 05:18:52,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 619 transitions, 19943 flow [2021-03-26 05:18:52,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:18:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:18:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 557 transitions. [2021-03-26 05:18:52,977 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44206349206349205 [2021-03-26 05:18:52,977 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 557 transitions. [2021-03-26 05:18:52,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 557 transitions. [2021-03-26 05:18:52,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:52,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 557 transitions. [2021-03-26 05:18:52,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 55.7) internal successors, (557), 10 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:52,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 126.0) internal successors, (1386), 11 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:52,978 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 126.0) internal successors, (1386), 11 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:52,978 INFO L185 Difference]: Start difference. First operand has 499 places, 606 transitions, 18325 flow. Second operand 10 states and 557 transitions. [2021-03-26 05:18:52,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 619 transitions, 19943 flow [2021-03-26 05:18:53,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 619 transitions, 19432 flow, removed 134 selfloop flow, removed 14 redundant places. [2021-03-26 05:18:53,546 INFO L241 Difference]: Finished difference. Result has 499 places, 599 transitions, 18137 flow [2021-03-26 05:18:53,546 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=17822, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18137, PETRI_PLACES=499, PETRI_TRANSITIONS=599} [2021-03-26 05:18:53,546 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 446 predicate places. [2021-03-26 05:18:53,546 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:53,546 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 499 places, 599 transitions, 18137 flow [2021-03-26 05:18:53,546 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 499 places, 599 transitions, 18137 flow [2021-03-26 05:18:53,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 599 transitions, 18137 flow [2021-03-26 05:18:53,763 INFO L129 PetriNetUnfolder]: 517/1261 cut-off events. [2021-03-26 05:18:53,764 INFO L130 PetriNetUnfolder]: For 66099/66119 co-relation queries the response was YES. [2021-03-26 05:18:53,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14240 conditions, 1261 events. 517/1261 cut-off events. For 66099/66119 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 8995 event pairs, 2 based on Foata normal form. 9/1092 useless extension candidates. Maximal degree in co-relation 14016. Up to 311 conditions per place. [2021-03-26 05:18:53,795 INFO L142 LiptonReduction]: Number of co-enabled transitions 2078 [2021-03-26 05:18:53,853 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:53,853 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:53,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 307 [2021-03-26 05:18:53,853 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 599 transitions, 18137 flow [2021-03-26 05:18:53,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:53,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:53,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:53,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-03-26 05:18:53,854 INFO L428 AbstractCegarLoop]: === Iteration 154 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:53,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:53,854 INFO L82 PathProgramCache]: Analyzing trace with hash 660798430, now seen corresponding path program 10 times [2021-03-26 05:18:53,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:53,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935601315] [2021-03-26 05:18:53,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:53,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:53,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:53,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:53,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:53,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:53,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:53,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:53,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:53,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:53,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:53,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:53,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:53,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:53,934 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:18:53,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:18:53,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:53,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:53,952 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:53,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:53,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:53,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935601315] [2021-03-26 05:18:53,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:53,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:53,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203342815] [2021-03-26 05:18:53,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:53,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:53,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:53,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:53,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2021-03-26 05:18:53,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 599 transitions, 18137 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:53,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:53,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2021-03-26 05:18:53,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:54,706 INFO L129 PetriNetUnfolder]: 592/1421 cut-off events. [2021-03-26 05:18:54,706 INFO L130 PetriNetUnfolder]: For 69431/69435 co-relation queries the response was YES. [2021-03-26 05:18:54,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16427 conditions, 1421 events. 592/1421 cut-off events. For 69431/69435 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10064 event pairs, 4 based on Foata normal form. 6/1233 useless extension candidates. Maximal degree in co-relation 16226. Up to 761 conditions per place. [2021-03-26 05:18:54,742 INFO L132 encePairwiseOnDemand]: 108/126 looper letters, 496 selfloop transitions, 104 changer transitions 6/624 dead transitions. [2021-03-26 05:18:54,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 624 transitions, 19879 flow [2021-03-26 05:18:54,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 664 transitions. [2021-03-26 05:18:54,744 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43915343915343913 [2021-03-26 05:18:54,744 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 664 transitions. [2021-03-26 05:18:54,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 664 transitions. [2021-03-26 05:18:54,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:54,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 664 transitions. [2021-03-26 05:18:54,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.333333333333336) internal successors, (664), 12 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:54,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 126.0) internal successors, (1638), 13 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:54,745 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 126.0) internal successors, (1638), 13 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:54,745 INFO L185 Difference]: Start difference. First operand has 496 places, 599 transitions, 18137 flow. Second operand 12 states and 664 transitions. [2021-03-26 05:18:54,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 624 transitions, 19879 flow [2021-03-26 05:18:55,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 624 transitions, 19373 flow, removed 8 selfloop flow, removed 18 redundant places. [2021-03-26 05:18:55,356 INFO L241 Difference]: Finished difference. Result has 494 places, 606 transitions, 18208 flow [2021-03-26 05:18:55,356 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=17631, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18208, PETRI_PLACES=494, PETRI_TRANSITIONS=606} [2021-03-26 05:18:55,356 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 441 predicate places. [2021-03-26 05:18:55,356 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:55,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 606 transitions, 18208 flow [2021-03-26 05:18:55,356 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 606 transitions, 18208 flow [2021-03-26 05:18:55,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 606 transitions, 18208 flow [2021-03-26 05:18:55,570 INFO L129 PetriNetUnfolder]: 516/1272 cut-off events. [2021-03-26 05:18:55,570 INFO L130 PetriNetUnfolder]: For 64125/64145 co-relation queries the response was YES. [2021-03-26 05:18:55,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14235 conditions, 1272 events. 516/1272 cut-off events. For 64125/64145 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9166 event pairs, 2 based on Foata normal form. 9/1104 useless extension candidates. Maximal degree in co-relation 14014. Up to 318 conditions per place. [2021-03-26 05:18:55,603 INFO L142 LiptonReduction]: Number of co-enabled transitions 2106 [2021-03-26 05:18:55,644 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:55,644 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:55,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 288 [2021-03-26 05:18:55,644 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 606 transitions, 18208 flow [2021-03-26 05:18:55,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:55,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:55,644 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:55,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-03-26 05:18:55,645 INFO L428 AbstractCegarLoop]: === Iteration 155 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:55,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:55,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1632074942, now seen corresponding path program 11 times [2021-03-26 05:18:55,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:55,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591146562] [2021-03-26 05:18:55,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:55,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:55,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:55,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:55,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:55,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:55,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:55,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:55,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:55,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:55,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:55,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:55,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:55,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:55,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:55,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:55,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:55,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:55,751 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:55,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591146562] [2021-03-26 05:18:55,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:55,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:55,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818989823] [2021-03-26 05:18:55,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:55,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:55,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:55,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:55,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2021-03-26 05:18:55,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 606 transitions, 18208 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:55,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:55,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2021-03-26 05:18:55,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:56,456 INFO L129 PetriNetUnfolder]: 595/1419 cut-off events. [2021-03-26 05:18:56,457 INFO L130 PetriNetUnfolder]: For 67216/67220 co-relation queries the response was YES. [2021-03-26 05:18:56,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16586 conditions, 1419 events. 595/1419 cut-off events. For 67216/67220 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9994 event pairs, 4 based on Foata normal form. 5/1237 useless extension candidates. Maximal degree in co-relation 16361. Up to 806 conditions per place. [2021-03-26 05:18:56,482 INFO L132 encePairwiseOnDemand]: 110/126 looper letters, 539 selfloop transitions, 80 changer transitions 0/637 dead transitions. [2021-03-26 05:18:56,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 637 transitions, 20282 flow [2021-03-26 05:18:56,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:18:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:18:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 750 transitions. [2021-03-26 05:18:56,484 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42517006802721086 [2021-03-26 05:18:56,484 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 750 transitions. [2021-03-26 05:18:56,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 750 transitions. [2021-03-26 05:18:56,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:56,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 750 transitions. [2021-03-26 05:18:56,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.57142857142857) internal successors, (750), 14 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:56,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:56,485 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:56,485 INFO L185 Difference]: Start difference. First operand has 494 places, 606 transitions, 18208 flow. Second operand 14 states and 750 transitions. [2021-03-26 05:18:56,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 637 transitions, 20282 flow [2021-03-26 05:18:57,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 637 transitions, 20081 flow, removed 45 selfloop flow, removed 6 redundant places. [2021-03-26 05:18:57,106 INFO L241 Difference]: Finished difference. Result has 508 places, 629 transitions, 19054 flow [2021-03-26 05:18:57,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=18007, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19054, PETRI_PLACES=508, PETRI_TRANSITIONS=629} [2021-03-26 05:18:57,106 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 455 predicate places. [2021-03-26 05:18:57,106 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:57,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 508 places, 629 transitions, 19054 flow [2021-03-26 05:18:57,106 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 508 places, 629 transitions, 19054 flow [2021-03-26 05:18:57,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 508 places, 629 transitions, 19054 flow [2021-03-26 05:18:57,346 INFO L129 PetriNetUnfolder]: 551/1366 cut-off events. [2021-03-26 05:18:57,346 INFO L130 PetriNetUnfolder]: For 67819/67851 co-relation queries the response was YES. [2021-03-26 05:18:57,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15235 conditions, 1366 events. 551/1366 cut-off events. For 67819/67851 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 9956 event pairs, 3 based on Foata normal form. 7/1178 useless extension candidates. Maximal degree in co-relation 15008. Up to 342 conditions per place. [2021-03-26 05:18:57,382 INFO L142 LiptonReduction]: Number of co-enabled transitions 2140 [2021-03-26 05:18:57,425 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:57,425 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:18:57,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 319 [2021-03-26 05:18:57,426 INFO L480 AbstractCegarLoop]: Abstraction has has 508 places, 629 transitions, 19054 flow [2021-03-26 05:18:57,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:57,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:57,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:57,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-03-26 05:18:57,426 INFO L428 AbstractCegarLoop]: === Iteration 156 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:57,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:57,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1831538974, now seen corresponding path program 12 times [2021-03-26 05:18:57,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:57,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642680213] [2021-03-26 05:18:57,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:57,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:57,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:57,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:57,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:57,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:57,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:57,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:57,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:57,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:57,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:57,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:57,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:57,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:57,498 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:18:57,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:18:57,500 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:57,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:57,513 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:57,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:57,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642680213] [2021-03-26 05:18:57,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:57,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:18:57,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874705628] [2021-03-26 05:18:57,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:18:57,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:57,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:18:57,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:18:57,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2021-03-26 05:18:57,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 629 transitions, 19054 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:57,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:57,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2021-03-26 05:18:57,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:18:58,183 INFO L129 PetriNetUnfolder]: 598/1430 cut-off events. [2021-03-26 05:18:58,183 INFO L130 PetriNetUnfolder]: For 69956/69966 co-relation queries the response was YES. [2021-03-26 05:18:58,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16801 conditions, 1430 events. 598/1430 cut-off events. For 69956/69966 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10137 event pairs, 3 based on Foata normal form. 11/1251 useless extension candidates. Maximal degree in co-relation 16570. Up to 822 conditions per place. [2021-03-26 05:18:58,210 INFO L132 encePairwiseOnDemand]: 110/126 looper letters, 565 selfloop transitions, 59 changer transitions 0/642 dead transitions. [2021-03-26 05:18:58,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 642 transitions, 20654 flow [2021-03-26 05:18:58,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:18:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:18:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 648 transitions. [2021-03-26 05:18:58,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2021-03-26 05:18:58,211 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 648 transitions. [2021-03-26 05:18:58,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 648 transitions. [2021-03-26 05:18:58,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:18:58,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 648 transitions. [2021-03-26 05:18:58,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.0) internal successors, (648), 12 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:58,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 126.0) internal successors, (1638), 13 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:58,213 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 126.0) internal successors, (1638), 13 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:58,213 INFO L185 Difference]: Start difference. First operand has 508 places, 629 transitions, 19054 flow. Second operand 12 states and 648 transitions. [2021-03-26 05:18:58,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 642 transitions, 20654 flow [2021-03-26 05:18:58,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 642 transitions, 20225 flow, removed 190 selfloop flow, removed 6 redundant places. [2021-03-26 05:18:58,851 INFO L241 Difference]: Finished difference. Result has 516 places, 635 transitions, 19100 flow [2021-03-26 05:18:58,852 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=18625, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=571, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19100, PETRI_PLACES=516, PETRI_TRANSITIONS=635} [2021-03-26 05:18:58,852 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 463 predicate places. [2021-03-26 05:18:58,852 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:18:58,852 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 516 places, 635 transitions, 19100 flow [2021-03-26 05:18:58,852 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 516 places, 635 transitions, 19100 flow [2021-03-26 05:18:58,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 635 transitions, 19100 flow [2021-03-26 05:18:59,093 INFO L129 PetriNetUnfolder]: 554/1384 cut-off events. [2021-03-26 05:18:59,094 INFO L130 PetriNetUnfolder]: For 68652/68684 co-relation queries the response was YES. [2021-03-26 05:18:59,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15290 conditions, 1384 events. 554/1384 cut-off events. For 68652/68684 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10125 event pairs, 5 based on Foata normal form. 7/1193 useless extension candidates. Maximal degree in co-relation 15060. Up to 323 conditions per place. [2021-03-26 05:18:59,130 INFO L142 LiptonReduction]: Number of co-enabled transitions 2182 [2021-03-26 05:18:59,274 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:18:59,274 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:18:59,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 422 [2021-03-26 05:18:59,275 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 635 transitions, 19103 flow [2021-03-26 05:18:59,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:59,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:18:59,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:18:59,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-03-26 05:18:59,275 INFO L428 AbstractCegarLoop]: === Iteration 157 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:18:59,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:18:59,275 INFO L82 PathProgramCache]: Analyzing trace with hash -681126168, now seen corresponding path program 13 times [2021-03-26 05:18:59,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:18:59,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217585900] [2021-03-26 05:18:59,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:18:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:18:59,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:18:59,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:59,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:18:59,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:59,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:59,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:59,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:59,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:59,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:59,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:18:59,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:59,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:59,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:18:59,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:18:59,350 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:18:59,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:18:59,363 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:18:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:18:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:18:59,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217585900] [2021-03-26 05:18:59,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:18:59,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:18:59,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018854622] [2021-03-26 05:18:59,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:18:59,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:18:59,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:18:59,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:18:59,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 127 [2021-03-26 05:18:59,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 635 transitions, 19103 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:18:59,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:18:59,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 127 [2021-03-26 05:18:59,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:00,107 INFO L129 PetriNetUnfolder]: 608/1467 cut-off events. [2021-03-26 05:19:00,107 INFO L130 PetriNetUnfolder]: For 74274/74280 co-relation queries the response was YES. [2021-03-26 05:19:00,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16986 conditions, 1467 events. 608/1467 cut-off events. For 74274/74280 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10625 event pairs, 3 based on Foata normal form. 7/1274 useless extension candidates. Maximal degree in co-relation 16752. Up to 804 conditions per place. [2021-03-26 05:19:00,135 INFO L132 encePairwiseOnDemand]: 107/127 looper letters, 540 selfloop transitions, 92 changer transitions 0/650 dead transitions. [2021-03-26 05:19:00,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 650 transitions, 20827 flow [2021-03-26 05:19:00,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:19:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:19:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 754 transitions. [2021-03-26 05:19:00,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42407199100112486 [2021-03-26 05:19:00,136 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 754 transitions. [2021-03-26 05:19:00,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 754 transitions. [2021-03-26 05:19:00,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:00,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 754 transitions. [2021-03-26 05:19:00,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.857142857142854) internal successors, (754), 14 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:00,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 127.0) internal successors, (1905), 15 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:00,138 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 127.0) internal successors, (1905), 15 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:00,138 INFO L185 Difference]: Start difference. First operand has 516 places, 635 transitions, 19103 flow. Second operand 14 states and 754 transitions. [2021-03-26 05:19:00,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 650 transitions, 20827 flow [2021-03-26 05:19:00,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 650 transitions, 20516 flow, removed 131 selfloop flow, removed 4 redundant places. [2021-03-26 05:19:00,794 INFO L241 Difference]: Finished difference. Result has 530 places, 642 transitions, 19490 flow [2021-03-26 05:19:00,795 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=18792, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19490, PETRI_PLACES=530, PETRI_TRANSITIONS=642} [2021-03-26 05:19:00,795 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 477 predicate places. [2021-03-26 05:19:00,795 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:00,795 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 642 transitions, 19490 flow [2021-03-26 05:19:00,795 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 642 transitions, 19490 flow [2021-03-26 05:19:00,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 530 places, 642 transitions, 19490 flow [2021-03-26 05:19:01,046 INFO L129 PetriNetUnfolder]: 534/1355 cut-off events. [2021-03-26 05:19:01,046 INFO L130 PetriNetUnfolder]: For 67358/67391 co-relation queries the response was YES. [2021-03-26 05:19:01,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15168 conditions, 1355 events. 534/1355 cut-off events. For 67358/67391 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10044 event pairs, 7 based on Foata normal form. 11/1175 useless extension candidates. Maximal degree in co-relation 14932. Up to 312 conditions per place. [2021-03-26 05:19:01,085 INFO L142 LiptonReduction]: Number of co-enabled transitions 2222 [2021-03-26 05:19:01,132 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:01,132 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:01,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 337 [2021-03-26 05:19:01,132 INFO L480 AbstractCegarLoop]: Abstraction has has 530 places, 642 transitions, 19490 flow [2021-03-26 05:19:01,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:01,132 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:01,132 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:01,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-03-26 05:19:01,132 INFO L428 AbstractCegarLoop]: === Iteration 158 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:01,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:01,133 INFO L82 PathProgramCache]: Analyzing trace with hash 545398489, now seen corresponding path program 1 times [2021-03-26 05:19:01,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:01,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197529942] [2021-03-26 05:19:01,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:01,148 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 05:19:01,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:19:01,158 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:19:01,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:01,163 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:19:01,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:01,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:01,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:01,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:01,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:01,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:01,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:01,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:01,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:01,226 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:01,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:01,242 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:01,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:01,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197529942] [2021-03-26 05:19:01,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:01,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:01,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039730017] [2021-03-26 05:19:01,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:01,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:01,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:01,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:01,259 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 127 [2021-03-26 05:19:01,259 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 642 transitions, 19490 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:01,259 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:01,259 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 127 [2021-03-26 05:19:01,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:01,929 INFO L129 PetriNetUnfolder]: 619/1498 cut-off events. [2021-03-26 05:19:01,929 INFO L130 PetriNetUnfolder]: For 74469/74475 co-relation queries the response was YES. [2021-03-26 05:19:01,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17133 conditions, 1498 events. 619/1498 cut-off events. For 74469/74475 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10940 event pairs, 3 based on Foata normal form. 7/1295 useless extension candidates. Maximal degree in co-relation 16893. Up to 830 conditions per place. [2021-03-26 05:19:01,958 INFO L132 encePairwiseOnDemand]: 108/127 looper letters, 576 selfloop transitions, 62 changer transitions 0/656 dead transitions. [2021-03-26 05:19:01,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 656 transitions, 20938 flow [2021-03-26 05:19:01,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:19:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:19:01,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 699 transitions. [2021-03-26 05:19:01,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42337976983646275 [2021-03-26 05:19:01,960 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 699 transitions. [2021-03-26 05:19:01,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 699 transitions. [2021-03-26 05:19:01,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:01,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 699 transitions. [2021-03-26 05:19:01,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.76923076923077) internal successors, (699), 13 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:01,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:01,962 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:01,962 INFO L185 Difference]: Start difference. First operand has 530 places, 642 transitions, 19490 flow. Second operand 13 states and 699 transitions. [2021-03-26 05:19:01,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 656 transitions, 20938 flow [2021-03-26 05:19:02,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 656 transitions, 20664 flow, removed 79 selfloop flow, removed 10 redundant places. [2021-03-26 05:19:02,725 INFO L241 Difference]: Finished difference. Result has 536 places, 648 transitions, 19513 flow [2021-03-26 05:19:02,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=19216, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=642, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19513, PETRI_PLACES=536, PETRI_TRANSITIONS=648} [2021-03-26 05:19:02,725 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 483 predicate places. [2021-03-26 05:19:02,725 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:02,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 536 places, 648 transitions, 19513 flow [2021-03-26 05:19:02,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 536 places, 648 transitions, 19513 flow [2021-03-26 05:19:02,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 536 places, 648 transitions, 19513 flow [2021-03-26 05:19:03,022 INFO L129 PetriNetUnfolder]: 550/1397 cut-off events. [2021-03-26 05:19:03,022 INFO L130 PetriNetUnfolder]: For 65547/65584 co-relation queries the response was YES. [2021-03-26 05:19:03,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15249 conditions, 1397 events. 550/1397 cut-off events. For 65547/65584 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10442 event pairs, 3 based on Foata normal form. 8/1201 useless extension candidates. Maximal degree in co-relation 15009. Up to 314 conditions per place. [2021-03-26 05:19:03,056 INFO L142 LiptonReduction]: Number of co-enabled transitions 2278 [2021-03-26 05:19:03,100 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:03,100 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:03,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 375 [2021-03-26 05:19:03,100 INFO L480 AbstractCegarLoop]: Abstraction has has 536 places, 648 transitions, 19513 flow [2021-03-26 05:19:03,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:03,100 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:03,100 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:03,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-03-26 05:19:03,101 INFO L428 AbstractCegarLoop]: === Iteration 159 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:03,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:03,101 INFO L82 PathProgramCache]: Analyzing trace with hash -965762981, now seen corresponding path program 2 times [2021-03-26 05:19:03,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:03,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367720168] [2021-03-26 05:19:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:03,116 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 05:19:03,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:19:03,125 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:19:03,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:03,131 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:19:03,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:03,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:03,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:03,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:03,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:03,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:03,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:03,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:03,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:03,177 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:03,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:03,189 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:03,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:03,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367720168] [2021-03-26 05:19:03,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:03,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:03,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092686503] [2021-03-26 05:19:03,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:03,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:03,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:03,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:03,204 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 127 [2021-03-26 05:19:03,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 648 transitions, 19513 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:03,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:03,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 127 [2021-03-26 05:19:03,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:03,821 INFO L129 PetriNetUnfolder]: 621/1518 cut-off events. [2021-03-26 05:19:03,821 INFO L130 PetriNetUnfolder]: For 72577/72587 co-relation queries the response was YES. [2021-03-26 05:19:03,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17196 conditions, 1518 events. 621/1518 cut-off events. For 72577/72587 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11069 event pairs, 11 based on Foata normal form. 11/1315 useless extension candidates. Maximal degree in co-relation 16952. Up to 850 conditions per place. [2021-03-26 05:19:03,850 INFO L132 encePairwiseOnDemand]: 110/127 looper letters, 598 selfloop transitions, 36 changer transitions 5/657 dead transitions. [2021-03-26 05:19:03,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 657 transitions, 20956 flow [2021-03-26 05:19:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 632 transitions. [2021-03-26 05:19:03,851 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4146981627296588 [2021-03-26 05:19:03,851 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 632 transitions. [2021-03-26 05:19:03,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 632 transitions. [2021-03-26 05:19:03,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:03,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 632 transitions. [2021-03-26 05:19:03,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.666666666666664) internal successors, (632), 12 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:03,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 127.0) internal successors, (1651), 13 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:03,853 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 127.0) internal successors, (1651), 13 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:03,853 INFO L185 Difference]: Start difference. First operand has 536 places, 648 transitions, 19513 flow. Second operand 12 states and 632 transitions. [2021-03-26 05:19:03,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 657 transitions, 20956 flow [2021-03-26 05:19:04,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 657 transitions, 20725 flow, removed 80 selfloop flow, removed 6 redundant places. [2021-03-26 05:19:04,534 INFO L241 Difference]: Finished difference. Result has 544 places, 647 transitions, 19404 flow [2021-03-26 05:19:04,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=19351, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=648, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=612, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19404, PETRI_PLACES=544, PETRI_TRANSITIONS=647} [2021-03-26 05:19:04,535 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 491 predicate places. [2021-03-26 05:19:04,535 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:04,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 544 places, 647 transitions, 19404 flow [2021-03-26 05:19:04,535 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 544 places, 647 transitions, 19404 flow [2021-03-26 05:19:04,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 647 transitions, 19404 flow [2021-03-26 05:19:04,789 INFO L129 PetriNetUnfolder]: 549/1400 cut-off events. [2021-03-26 05:19:04,789 INFO L130 PetriNetUnfolder]: For 65964/66001 co-relation queries the response was YES. [2021-03-26 05:19:04,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15198 conditions, 1400 events. 549/1400 cut-off events. For 65964/66001 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 10414 event pairs, 5 based on Foata normal form. 8/1203 useless extension candidates. Maximal degree in co-relation 14955. Up to 312 conditions per place. [2021-03-26 05:19:04,828 INFO L142 LiptonReduction]: Number of co-enabled transitions 2278 [2021-03-26 05:19:04,874 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:04,874 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:04,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 339 [2021-03-26 05:19:04,875 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 647 transitions, 19404 flow [2021-03-26 05:19:04,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:04,875 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:04,875 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:04,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-03-26 05:19:04,875 INFO L428 AbstractCegarLoop]: === Iteration 160 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:04,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:04,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1184881171, now seen corresponding path program 3 times [2021-03-26 05:19:04,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:04,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059755849] [2021-03-26 05:19:04,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:04,886 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 05:19:04,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:19:04,910 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:19:04,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:04,917 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:19:04,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:04,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:04,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:04,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:04,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:04,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:04,956 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:19:04,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:19:04,968 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:04,981 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:19:04,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:05,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059755849] [2021-03-26 05:19:05,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:05,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:05,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786633633] [2021-03-26 05:19:05,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:05,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:05,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:05,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:05,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 127 [2021-03-26 05:19:05,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 647 transitions, 19404 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:05,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:05,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 127 [2021-03-26 05:19:05,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:05,682 INFO L129 PetriNetUnfolder]: 617/1512 cut-off events. [2021-03-26 05:19:05,682 INFO L130 PetriNetUnfolder]: For 71990/71994 co-relation queries the response was YES. [2021-03-26 05:19:05,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17119 conditions, 1512 events. 617/1512 cut-off events. For 71990/71994 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 11028 event pairs, 11 based on Foata normal form. 5/1305 useless extension candidates. Maximal degree in co-relation 16872. Up to 845 conditions per place. [2021-03-26 05:19:05,712 INFO L132 encePairwiseOnDemand]: 109/127 looper letters, 593 selfloop transitions, 43 changer transitions 2/656 dead transitions. [2021-03-26 05:19:05,712 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 656 transitions, 20858 flow [2021-03-26 05:19:05,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:05,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:05,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 638 transitions. [2021-03-26 05:19:05,713 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41863517060367456 [2021-03-26 05:19:05,713 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 638 transitions. [2021-03-26 05:19:05,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 638 transitions. [2021-03-26 05:19:05,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:05,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 638 transitions. [2021-03-26 05:19:05,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.166666666666664) internal successors, (638), 12 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:05,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 127.0) internal successors, (1651), 13 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:05,715 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 127.0) internal successors, (1651), 13 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:05,715 INFO L185 Difference]: Start difference. First operand has 543 places, 647 transitions, 19404 flow. Second operand 12 states and 638 transitions. [2021-03-26 05:19:05,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 656 transitions, 20858 flow [2021-03-26 05:19:06,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 656 transitions, 20774 flow, removed 6 selfloop flow, removed 11 redundant places. [2021-03-26 05:19:06,437 INFO L241 Difference]: Finished difference. Result has 546 places, 647 transitions, 19419 flow [2021-03-26 05:19:06,437 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=19322, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19419, PETRI_PLACES=546, PETRI_TRANSITIONS=647} [2021-03-26 05:19:06,437 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 493 predicate places. [2021-03-26 05:19:06,437 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:06,437 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 647 transitions, 19419 flow [2021-03-26 05:19:06,437 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 647 transitions, 19419 flow [2021-03-26 05:19:06,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 546 places, 647 transitions, 19419 flow [2021-03-26 05:19:06,706 INFO L129 PetriNetUnfolder]: 566/1447 cut-off events. [2021-03-26 05:19:06,706 INFO L130 PetriNetUnfolder]: For 70333/70351 co-relation queries the response was YES. [2021-03-26 05:19:06,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15563 conditions, 1447 events. 566/1447 cut-off events. For 70333/70351 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10867 event pairs, 5 based on Foata normal form. 6/1240 useless extension candidates. Maximal degree in co-relation 15320. Up to 319 conditions per place. [2021-03-26 05:19:06,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 2290 [2021-03-26 05:19:06,796 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:06,796 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:06,796 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 359 [2021-03-26 05:19:06,796 INFO L480 AbstractCegarLoop]: Abstraction has has 546 places, 647 transitions, 19419 flow [2021-03-26 05:19:06,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:06,797 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:06,797 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:06,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-03-26 05:19:06,797 INFO L428 AbstractCegarLoop]: === Iteration 161 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:06,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:06,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1050030747, now seen corresponding path program 4 times [2021-03-26 05:19:06,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:06,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48334595] [2021-03-26 05:19:06,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:06,804 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 05:19:06,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:19:06,813 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:19:06,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:06,818 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:19:06,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:06,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:06,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:06,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:06,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:06,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:06,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:06,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:06,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:06,874 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:06,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:06,889 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:19:06,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:06,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48334595] [2021-03-26 05:19:06,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:06,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:06,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887599953] [2021-03-26 05:19:06,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:06,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:06,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:06,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:06,906 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 127 [2021-03-26 05:19:06,906 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 647 transitions, 19419 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:06,906 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:06,906 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 127 [2021-03-26 05:19:06,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:07,593 INFO L129 PetriNetUnfolder]: 618/1517 cut-off events. [2021-03-26 05:19:07,593 INFO L130 PetriNetUnfolder]: For 73423/73429 co-relation queries the response was YES. [2021-03-26 05:19:07,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17110 conditions, 1517 events. 618/1517 cut-off events. For 73423/73429 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 11226 event pairs, 3 based on Foata normal form. 7/1310 useless extension candidates. Maximal degree in co-relation 16863. Up to 841 conditions per place. [2021-03-26 05:19:07,623 INFO L132 encePairwiseOnDemand]: 107/127 looper letters, 576 selfloop transitions, 55 changer transitions 5/654 dead transitions. [2021-03-26 05:19:07,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 654 transitions, 20781 flow [2021-03-26 05:19:07,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:19:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:19:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 692 transitions. [2021-03-26 05:19:07,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41913991520290733 [2021-03-26 05:19:07,624 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 692 transitions. [2021-03-26 05:19:07,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 692 transitions. [2021-03-26 05:19:07,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:07,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 692 transitions. [2021-03-26 05:19:07,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.23076923076923) internal successors, (692), 13 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:07,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:07,626 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:07,626 INFO L185 Difference]: Start difference. First operand has 546 places, 647 transitions, 19419 flow. Second operand 13 states and 692 transitions. [2021-03-26 05:19:07,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 654 transitions, 20781 flow [2021-03-26 05:19:08,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 654 transitions, 20688 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 05:19:08,314 INFO L241 Difference]: Finished difference. Result has 552 places, 643 transitions, 19406 flow [2021-03-26 05:19:08,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=19326, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=592, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19406, PETRI_PLACES=552, PETRI_TRANSITIONS=643} [2021-03-26 05:19:08,315 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 499 predicate places. [2021-03-26 05:19:08,315 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:08,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 552 places, 643 transitions, 19406 flow [2021-03-26 05:19:08,315 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 552 places, 643 transitions, 19406 flow [2021-03-26 05:19:08,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 549 places, 643 transitions, 19406 flow [2021-03-26 05:19:08,581 INFO L129 PetriNetUnfolder]: 558/1424 cut-off events. [2021-03-26 05:19:08,581 INFO L130 PetriNetUnfolder]: For 68259/68294 co-relation queries the response was YES. [2021-03-26 05:19:08,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15506 conditions, 1424 events. 558/1424 cut-off events. For 68259/68294 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10628 event pairs, 0 based on Foata normal form. 6/1218 useless extension candidates. Maximal degree in co-relation 15262. Up to 317 conditions per place. [2021-03-26 05:19:08,622 INFO L142 LiptonReduction]: Number of co-enabled transitions 2268 [2021-03-26 05:19:08,866 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:19:08,866 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:19:08,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 551 [2021-03-26 05:19:08,866 INFO L480 AbstractCegarLoop]: Abstraction has has 549 places, 643 transitions, 19420 flow [2021-03-26 05:19:08,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:08,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:08,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:08,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-03-26 05:19:08,867 INFO L428 AbstractCegarLoop]: === Iteration 162 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:08,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:08,867 INFO L82 PathProgramCache]: Analyzing trace with hash -868240381, now seen corresponding path program 5 times [2021-03-26 05:19:08,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:08,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542050819] [2021-03-26 05:19:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:08,878 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 05:19:08,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:19:08,886 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:19:08,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:08,892 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:19:08,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:08,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:08,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:08,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:08,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:08,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:08,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:08,926 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:19:08,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:19:08,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:08,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:08,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:19:08,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:08,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542050819] [2021-03-26 05:19:08,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:08,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:08,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632469453] [2021-03-26 05:19:08,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:08,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:08,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:08,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:08,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:08,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 643 transitions, 19420 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:08,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:08,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:08,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:09,622 INFO L129 PetriNetUnfolder]: 613/1492 cut-off events. [2021-03-26 05:19:09,622 INFO L130 PetriNetUnfolder]: For 71533/71539 co-relation queries the response was YES. [2021-03-26 05:19:09,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17043 conditions, 1492 events. 613/1492 cut-off events. For 71533/71539 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 10920 event pairs, 3 based on Foata normal form. 7/1290 useless extension candidates. Maximal degree in co-relation 16795. Up to 845 conditions per place. [2021-03-26 05:19:09,651 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 594 selfloop transitions, 33 changer transitions 4/649 dead transitions. [2021-03-26 05:19:09,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 649 transitions, 20751 flow [2021-03-26 05:19:09,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:19:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:19:09,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 585 transitions. [2021-03-26 05:19:09,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41226215644820297 [2021-03-26 05:19:09,652 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 585 transitions. [2021-03-26 05:19:09,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 585 transitions. [2021-03-26 05:19:09,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:09,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 585 transitions. [2021-03-26 05:19:09,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.18181818181818) internal successors, (585), 11 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:09,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:09,653 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:09,653 INFO L185 Difference]: Start difference. First operand has 549 places, 643 transitions, 19420 flow. Second operand 11 states and 585 transitions. [2021-03-26 05:19:09,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 649 transitions, 20751 flow [2021-03-26 05:19:10,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 649 transitions, 20471 flow, removed 25 selfloop flow, removed 20 redundant places. [2021-03-26 05:19:10,382 INFO L241 Difference]: Finished difference. Result has 541 places, 640 transitions, 19119 flow [2021-03-26 05:19:10,383 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=19140, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=643, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=610, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=19119, PETRI_PLACES=541, PETRI_TRANSITIONS=640} [2021-03-26 05:19:10,383 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 488 predicate places. [2021-03-26 05:19:10,383 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:10,383 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 541 places, 640 transitions, 19119 flow [2021-03-26 05:19:10,383 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 541 places, 640 transitions, 19119 flow [2021-03-26 05:19:10,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 538 places, 640 transitions, 19119 flow [2021-03-26 05:19:10,637 INFO L129 PetriNetUnfolder]: 557/1409 cut-off events. [2021-03-26 05:19:10,637 INFO L130 PetriNetUnfolder]: For 68716/68733 co-relation queries the response was YES. [2021-03-26 05:19:10,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15372 conditions, 1409 events. 557/1409 cut-off events. For 68716/68733 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10434 event pairs, 4 based on Foata normal form. 7/1211 useless extension candidates. Maximal degree in co-relation 15132. Up to 319 conditions per place. [2021-03-26 05:19:10,678 INFO L142 LiptonReduction]: Number of co-enabled transitions 2256 [2021-03-26 05:19:10,723 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:10,723 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:10,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 340 [2021-03-26 05:19:10,723 INFO L480 AbstractCegarLoop]: Abstraction has has 538 places, 640 transitions, 19119 flow [2021-03-26 05:19:10,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:10,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:10,723 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:10,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-03-26 05:19:10,723 INFO L428 AbstractCegarLoop]: === Iteration 163 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:10,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:10,724 INFO L82 PathProgramCache]: Analyzing trace with hash 2007048212, now seen corresponding path program 1 times [2021-03-26 05:19:10,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:10,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993913989] [2021-03-26 05:19:10,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:10,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:10,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:10,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:10,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:10,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:10,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:10,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:10,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:10,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:10,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:10,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:10,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:10,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:10,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:10,795 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:10,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:10,807 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:10,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:10,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993913989] [2021-03-26 05:19:10,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:10,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:19:10,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435495876] [2021-03-26 05:19:10,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:19:10,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:10,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:19:10,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:19:10,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:10,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 640 transitions, 19119 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:10,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:10,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:10,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:11,453 INFO L129 PetriNetUnfolder]: 617/1504 cut-off events. [2021-03-26 05:19:11,454 INFO L130 PetriNetUnfolder]: For 75484/75488 co-relation queries the response was YES. [2021-03-26 05:19:11,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17019 conditions, 1504 events. 617/1504 cut-off events. For 75484/75488 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 10983 event pairs, 10 based on Foata normal form. 5/1295 useless extension candidates. Maximal degree in co-relation 16775. Up to 820 conditions per place. [2021-03-26 05:19:11,483 INFO L132 encePairwiseOnDemand]: 110/129 looper letters, 558 selfloop transitions, 74 changer transitions 0/650 dead transitions. [2021-03-26 05:19:11,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 650 transitions, 20715 flow [2021-03-26 05:19:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:19:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:19:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 548 transitions. [2021-03-26 05:19:11,484 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4248062015503876 [2021-03-26 05:19:11,484 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 548 transitions. [2021-03-26 05:19:11,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 548 transitions. [2021-03-26 05:19:11,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:11,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 548 transitions. [2021-03-26 05:19:11,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.8) internal successors, (548), 10 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:11,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:11,486 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:11,486 INFO L185 Difference]: Start difference. First operand has 538 places, 640 transitions, 19119 flow. Second operand 10 states and 548 transitions. [2021-03-26 05:19:11,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 650 transitions, 20715 flow [2021-03-26 05:19:12,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 650 transitions, 20594 flow, removed 12 selfloop flow, removed 16 redundant places. [2021-03-26 05:19:12,161 INFO L241 Difference]: Finished difference. Result has 534 places, 644 transitions, 19501 flow [2021-03-26 05:19:12,161 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18998, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=640, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19501, PETRI_PLACES=534, PETRI_TRANSITIONS=644} [2021-03-26 05:19:12,161 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 481 predicate places. [2021-03-26 05:19:12,162 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:12,162 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 534 places, 644 transitions, 19501 flow [2021-03-26 05:19:12,162 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 534 places, 644 transitions, 19501 flow [2021-03-26 05:19:12,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 644 transitions, 19501 flow [2021-03-26 05:19:12,432 INFO L129 PetriNetUnfolder]: 567/1443 cut-off events. [2021-03-26 05:19:12,432 INFO L130 PetriNetUnfolder]: For 73445/73453 co-relation queries the response was YES. [2021-03-26 05:19:12,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15577 conditions, 1443 events. 567/1443 cut-off events. For 73445/73453 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 10789 event pairs, 2 based on Foata normal form. 6/1233 useless extension candidates. Maximal degree in co-relation 15340. Up to 318 conditions per place. [2021-03-26 05:19:12,471 INFO L142 LiptonReduction]: Number of co-enabled transitions 2308 [2021-03-26 05:19:12,513 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:12,513 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:12,513 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 351 [2021-03-26 05:19:12,513 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 644 transitions, 19501 flow [2021-03-26 05:19:12,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:12,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:12,513 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:12,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-03-26 05:19:12,514 INFO L428 AbstractCegarLoop]: === Iteration 164 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:12,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:12,514 INFO L82 PathProgramCache]: Analyzing trace with hash 5131434, now seen corresponding path program 2 times [2021-03-26 05:19:12,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:12,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792451575] [2021-03-26 05:19:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:12,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:12,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:12,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:12,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:12,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:12,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:12,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:12,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:12,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:12,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:12,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:12,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:12,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:12,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:12,578 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:12,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:12,590 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:19:12,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:12,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792451575] [2021-03-26 05:19:12,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:12,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:19:12,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478535431] [2021-03-26 05:19:12,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:19:12,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:12,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:19:12,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:19:12,594 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:12,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 644 transitions, 19501 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:12,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:12,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:12,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:13,187 INFO L129 PetriNetUnfolder]: 619/1515 cut-off events. [2021-03-26 05:19:13,187 INFO L130 PetriNetUnfolder]: For 77602/77617 co-relation queries the response was YES. [2021-03-26 05:19:13,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17150 conditions, 1515 events. 619/1515 cut-off events. For 77602/77617 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11141 event pairs, 2 based on Foata normal form. 13/1311 useless extension candidates. Maximal degree in co-relation 16909. Up to 832 conditions per place. [2021-03-26 05:19:13,216 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 556 selfloop transitions, 60 changer transitions 16/650 dead transitions. [2021-03-26 05:19:13,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 650 transitions, 20888 flow [2021-03-26 05:19:13,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:19:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:19:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 542 transitions. [2021-03-26 05:19:13,217 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4201550387596899 [2021-03-26 05:19:13,217 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 542 transitions. [2021-03-26 05:19:13,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 542 transitions. [2021-03-26 05:19:13,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:13,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 542 transitions. [2021-03-26 05:19:13,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.2) internal successors, (542), 10 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:13,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:13,218 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:13,218 INFO L185 Difference]: Start difference. First operand has 534 places, 644 transitions, 19501 flow. Second operand 10 states and 542 transitions. [2021-03-26 05:19:13,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 650 transitions, 20888 flow [2021-03-26 05:19:13,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 650 transitions, 20757 flow, removed 54 selfloop flow, removed 4 redundant places. [2021-03-26 05:19:13,946 INFO L241 Difference]: Finished difference. Result has 541 places, 629 transitions, 19116 flow [2021-03-26 05:19:13,946 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=19370, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=644, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19116, PETRI_PLACES=541, PETRI_TRANSITIONS=629} [2021-03-26 05:19:13,947 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 488 predicate places. [2021-03-26 05:19:13,947 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:13,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 541 places, 629 transitions, 19116 flow [2021-03-26 05:19:13,947 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 541 places, 629 transitions, 19116 flow [2021-03-26 05:19:13,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 536 places, 629 transitions, 19116 flow [2021-03-26 05:19:14,193 INFO L129 PetriNetUnfolder]: 538/1357 cut-off events. [2021-03-26 05:19:14,194 INFO L130 PetriNetUnfolder]: For 66958/66990 co-relation queries the response was YES. [2021-03-26 05:19:14,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15055 conditions, 1357 events. 538/1357 cut-off events. For 66958/66990 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9985 event pairs, 4 based on Foata normal form. 11/1169 useless extension candidates. Maximal degree in co-relation 14815. Up to 304 conditions per place. [2021-03-26 05:19:14,232 INFO L142 LiptonReduction]: Number of co-enabled transitions 2176 [2021-03-26 05:19:14,277 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:14,277 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:14,277 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-03-26 05:19:14,278 INFO L480 AbstractCegarLoop]: Abstraction has has 536 places, 629 transitions, 19116 flow [2021-03-26 05:19:14,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:14,278 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:14,278 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:14,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-03-26 05:19:14,278 INFO L428 AbstractCegarLoop]: === Iteration 165 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:14,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:14,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1718493282, now seen corresponding path program 14 times [2021-03-26 05:19:14,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:14,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915265168] [2021-03-26 05:19:14,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:14,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:14,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:14,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:14,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:14,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:14,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:14,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:14,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:14,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:14,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:14,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:14,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:14,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:14,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:14,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:14,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:14,353 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:14,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:14,366 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:14,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:14,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915265168] [2021-03-26 05:19:14,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:14,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:14,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500800061] [2021-03-26 05:19:14,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:14,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:14,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:14,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:14,369 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:14,369 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 629 transitions, 19116 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:14,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:14,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:14,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:15,182 INFO L129 PetriNetUnfolder]: 612/1487 cut-off events. [2021-03-26 05:19:15,182 INFO L130 PetriNetUnfolder]: For 74770/74774 co-relation queries the response was YES. [2021-03-26 05:19:15,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17101 conditions, 1487 events. 612/1487 cut-off events. For 74770/74774 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10772 event pairs, 2 based on Foata normal form. 5/1284 useless extension candidates. Maximal degree in co-relation 16886. Up to 778 conditions per place. [2021-03-26 05:19:15,206 INFO L132 encePairwiseOnDemand]: 110/129 looper letters, 515 selfloop transitions, 111 changer transitions 4/648 dead transitions. [2021-03-26 05:19:15,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 648 transitions, 20741 flow [2021-03-26 05:19:15,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:19:15,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:19:15,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 760 transitions. [2021-03-26 05:19:15,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42081949058693247 [2021-03-26 05:19:15,207 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 760 transitions. [2021-03-26 05:19:15,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 760 transitions. [2021-03-26 05:19:15,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:15,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 760 transitions. [2021-03-26 05:19:15,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.285714285714285) internal successors, (760), 14 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:15,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:15,209 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:15,209 INFO L185 Difference]: Start difference. First operand has 536 places, 629 transitions, 19116 flow. Second operand 14 states and 760 transitions. [2021-03-26 05:19:15,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 648 transitions, 20741 flow [2021-03-26 05:19:15,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 648 transitions, 20087 flow, removed 7 selfloop flow, removed 17 redundant places. [2021-03-26 05:19:15,861 INFO L241 Difference]: Finished difference. Result has 538 places, 635 transitions, 19021 flow [2021-03-26 05:19:15,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18472, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19021, PETRI_PLACES=538, PETRI_TRANSITIONS=635} [2021-03-26 05:19:15,861 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 485 predicate places. [2021-03-26 05:19:15,862 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:15,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 538 places, 635 transitions, 19021 flow [2021-03-26 05:19:15,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 538 places, 635 transitions, 19021 flow [2021-03-26 05:19:15,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 538 places, 635 transitions, 19021 flow [2021-03-26 05:19:16,114 INFO L129 PetriNetUnfolder]: 549/1387 cut-off events. [2021-03-26 05:19:16,114 INFO L130 PetriNetUnfolder]: For 65322/65355 co-relation queries the response was YES. [2021-03-26 05:19:16,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15002 conditions, 1387 events. 549/1387 cut-off events. For 65322/65355 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10235 event pairs, 3 based on Foata normal form. 11/1190 useless extension candidates. Maximal degree in co-relation 14738. Up to 310 conditions per place. [2021-03-26 05:19:16,154 INFO L142 LiptonReduction]: Number of co-enabled transitions 2176 [2021-03-26 05:19:16,198 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:16,198 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:16,198 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 336 [2021-03-26 05:19:16,198 INFO L480 AbstractCegarLoop]: Abstraction has has 538 places, 635 transitions, 19021 flow [2021-03-26 05:19:16,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:16,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:16,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:16,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-03-26 05:19:16,199 INFO L428 AbstractCegarLoop]: === Iteration 166 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:16,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:16,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1479171360, now seen corresponding path program 15 times [2021-03-26 05:19:16,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:16,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820781963] [2021-03-26 05:19:16,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:16,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:16,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:16,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:16,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:16,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:16,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:16,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:16,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:16,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:16,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:16,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:16,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:16,274 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:16,288 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:16,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820781963] [2021-03-26 05:19:16,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:16,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:16,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095913443] [2021-03-26 05:19:16,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:16,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:16,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:16,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:16,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:16,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 635 transitions, 19021 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:16,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:16,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:16,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:17,043 INFO L129 PetriNetUnfolder]: 611/1482 cut-off events. [2021-03-26 05:19:17,043 INFO L130 PetriNetUnfolder]: For 73083/73093 co-relation queries the response was YES. [2021-03-26 05:19:17,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16907 conditions, 1482 events. 611/1482 cut-off events. For 73083/73093 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10675 event pairs, 2 based on Foata normal form. 11/1286 useless extension candidates. Maximal degree in co-relation 16664. Up to 793 conditions per place. [2021-03-26 05:19:17,074 INFO L132 encePairwiseOnDemand]: 111/129 looper letters, 541 selfloop transitions, 89 changer transitions 0/648 dead transitions. [2021-03-26 05:19:17,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 648 transitions, 20457 flow [2021-03-26 05:19:17,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:19:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:19:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 05:19:17,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4186046511627907 [2021-03-26 05:19:17,101 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 05:19:17,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 05:19:17,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:17,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 05:19:17,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:17,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:17,103 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:17,103 INFO L185 Difference]: Start difference. First operand has 538 places, 635 transitions, 19021 flow. Second operand 14 states and 756 transitions. [2021-03-26 05:19:17,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 648 transitions, 20457 flow [2021-03-26 05:19:17,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 648 transitions, 20221 flow, removed 10 selfloop flow, removed 14 redundant places. [2021-03-26 05:19:17,836 INFO L241 Difference]: Finished difference. Result has 540 places, 639 transitions, 19126 flow [2021-03-26 05:19:17,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18791, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19126, PETRI_PLACES=540, PETRI_TRANSITIONS=639} [2021-03-26 05:19:17,836 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 487 predicate places. [2021-03-26 05:19:17,836 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:17,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 639 transitions, 19126 flow [2021-03-26 05:19:17,836 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 639 transitions, 19126 flow [2021-03-26 05:19:17,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 540 places, 639 transitions, 19126 flow [2021-03-26 05:19:18,098 INFO L129 PetriNetUnfolder]: 563/1425 cut-off events. [2021-03-26 05:19:18,098 INFO L130 PetriNetUnfolder]: For 70445/70461 co-relation queries the response was YES. [2021-03-26 05:19:18,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15368 conditions, 1425 events. 563/1425 cut-off events. For 70445/70461 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10650 event pairs, 4 based on Foata normal form. 4/1218 useless extension candidates. Maximal degree in co-relation 15104. Up to 317 conditions per place. [2021-03-26 05:19:18,140 INFO L142 LiptonReduction]: Number of co-enabled transitions 2224 [2021-03-26 05:19:18,185 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:18,185 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:18,185 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 349 [2021-03-26 05:19:18,186 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 639 transitions, 19126 flow [2021-03-26 05:19:18,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:18,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:18,186 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:18,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-03-26 05:19:18,186 INFO L428 AbstractCegarLoop]: === Iteration 167 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:18,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:18,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1331180224, now seen corresponding path program 16 times [2021-03-26 05:19:18,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:18,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944018591] [2021-03-26 05:19:18,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:18,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:18,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:18,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:18,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:18,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:18,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:18,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:18,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:18,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:18,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:18,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:18,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:18,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:18,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:18,279 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:18,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:18,316 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:18,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:18,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944018591] [2021-03-26 05:19:18,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:18,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:18,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837190153] [2021-03-26 05:19:18,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:18,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:18,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:18,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:18,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:18,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 639 transitions, 19126 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:18,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:18,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:18,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:19,111 INFO L129 PetriNetUnfolder]: 618/1506 cut-off events. [2021-03-26 05:19:19,111 INFO L130 PetriNetUnfolder]: For 73878/73884 co-relation queries the response was YES. [2021-03-26 05:19:19,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17028 conditions, 1506 events. 618/1506 cut-off events. For 73878/73884 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 10948 event pairs, 2 based on Foata normal form. 7/1300 useless extension candidates. Maximal degree in co-relation 16785. Up to 773 conditions per place. [2021-03-26 05:19:19,142 INFO L132 encePairwiseOnDemand]: 111/129 looper letters, 517 selfloop transitions, 108 changer transitions 20/663 dead transitions. [2021-03-26 05:19:19,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 663 transitions, 20901 flow [2021-03-26 05:19:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:19:19,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:19:19,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 765 transitions. [2021-03-26 05:19:19,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42358803986710963 [2021-03-26 05:19:19,144 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 765 transitions. [2021-03-26 05:19:19,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 765 transitions. [2021-03-26 05:19:19,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:19,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 765 transitions. [2021-03-26 05:19:19,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.642857142857146) internal successors, (765), 14 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:19,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:19,145 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:19,145 INFO L185 Difference]: Start difference. First operand has 540 places, 639 transitions, 19126 flow. Second operand 14 states and 765 transitions. [2021-03-26 05:19:19,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 553 places, 663 transitions, 20901 flow [2021-03-26 05:19:19,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 663 transitions, 20711 flow, removed 50 selfloop flow, removed 5 redundant places. [2021-03-26 05:19:19,856 INFO L241 Difference]: Finished difference. Result has 552 places, 630 transitions, 18996 flow [2021-03-26 05:19:19,856 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18940, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18996, PETRI_PLACES=552, PETRI_TRANSITIONS=630} [2021-03-26 05:19:19,856 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 499 predicate places. [2021-03-26 05:19:19,856 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:19,856 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 552 places, 630 transitions, 18996 flow [2021-03-26 05:19:19,857 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 552 places, 630 transitions, 18996 flow [2021-03-26 05:19:19,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 550 places, 630 transitions, 18996 flow [2021-03-26 05:19:20,100 INFO L129 PetriNetUnfolder]: 533/1342 cut-off events. [2021-03-26 05:19:20,100 INFO L130 PetriNetUnfolder]: For 70875/70896 co-relation queries the response was YES. [2021-03-26 05:19:20,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14801 conditions, 1342 events. 533/1342 cut-off events. For 70875/70896 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 9959 event pairs, 3 based on Foata normal form. 10/1158 useless extension candidates. Maximal degree in co-relation 14562. Up to 309 conditions per place. [2021-03-26 05:19:20,136 INFO L142 LiptonReduction]: Number of co-enabled transitions 2160 [2021-03-26 05:19:20,180 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:20,180 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:20,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 324 [2021-03-26 05:19:20,181 INFO L480 AbstractCegarLoop]: Abstraction has has 550 places, 630 transitions, 18996 flow [2021-03-26 05:19:20,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:20,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:20,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:20,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-03-26 05:19:20,181 INFO L428 AbstractCegarLoop]: === Iteration 168 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:20,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:20,181 INFO L82 PathProgramCache]: Analyzing trace with hash 2027896074, now seen corresponding path program 17 times [2021-03-26 05:19:20,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:20,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088135590] [2021-03-26 05:19:20,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:20,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:20,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:20,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:20,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:20,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:20,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:20,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:20,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:20,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:20,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:20,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:20,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:20,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:20,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:20,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:20,256 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:20,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:20,269 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:20,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:20,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088135590] [2021-03-26 05:19:20,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:20,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:20,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052880295] [2021-03-26 05:19:20,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:20,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:20,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:20,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:20,272 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:20,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 630 transitions, 18996 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:20,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:20,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:20,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:20,952 INFO L129 PetriNetUnfolder]: 608/1483 cut-off events. [2021-03-26 05:19:20,952 INFO L130 PetriNetUnfolder]: For 74588/74598 co-relation queries the response was YES. [2021-03-26 05:19:20,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16822 conditions, 1483 events. 608/1483 cut-off events. For 74588/74598 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10707 event pairs, 10 based on Foata normal form. 11/1283 useless extension candidates. Maximal degree in co-relation 16576. Up to 790 conditions per place. [2021-03-26 05:19:20,981 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 543 selfloop transitions, 71 changer transitions 13/645 dead transitions. [2021-03-26 05:19:20,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 645 transitions, 20426 flow [2021-03-26 05:19:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:20,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 647 transitions. [2021-03-26 05:19:20,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41795865633074936 [2021-03-26 05:19:20,982 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 647 transitions. [2021-03-26 05:19:20,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 647 transitions. [2021-03-26 05:19:20,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:20,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 647 transitions. [2021-03-26 05:19:20,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.916666666666664) internal successors, (647), 12 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:20,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:20,984 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:20,984 INFO L185 Difference]: Start difference. First operand has 550 places, 630 transitions, 18996 flow. Second operand 12 states and 647 transitions. [2021-03-26 05:19:20,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 645 transitions, 20426 flow [2021-03-26 05:19:21,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 645 transitions, 20116 flow, removed 74 selfloop flow, removed 13 redundant places. [2021-03-26 05:19:21,678 INFO L241 Difference]: Finished difference. Result has 551 places, 622 transitions, 18422 flow [2021-03-26 05:19:21,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18686, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=630, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18422, PETRI_PLACES=551, PETRI_TRANSITIONS=622} [2021-03-26 05:19:21,679 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 498 predicate places. [2021-03-26 05:19:21,679 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:21,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 551 places, 622 transitions, 18422 flow [2021-03-26 05:19:21,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 551 places, 622 transitions, 18422 flow [2021-03-26 05:19:21,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 548 places, 622 transitions, 18422 flow [2021-03-26 05:19:21,952 INFO L129 PetriNetUnfolder]: 530/1346 cut-off events. [2021-03-26 05:19:21,952 INFO L130 PetriNetUnfolder]: For 65531/65563 co-relation queries the response was YES. [2021-03-26 05:19:21,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14614 conditions, 1346 events. 530/1346 cut-off events. For 65531/65563 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9871 event pairs, 4 based on Foata normal form. 11/1159 useless extension candidates. Maximal degree in co-relation 14372. Up to 304 conditions per place. [2021-03-26 05:19:21,991 INFO L142 LiptonReduction]: Number of co-enabled transitions 2160 [2021-03-26 05:19:22,031 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:22,031 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:22,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 352 [2021-03-26 05:19:22,031 INFO L480 AbstractCegarLoop]: Abstraction has has 548 places, 622 transitions, 18422 flow [2021-03-26 05:19:22,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:22,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:22,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:22,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-03-26 05:19:22,032 INFO L428 AbstractCegarLoop]: === Iteration 169 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:22,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:22,032 INFO L82 PathProgramCache]: Analyzing trace with hash -156911538, now seen corresponding path program 18 times [2021-03-26 05:19:22,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:22,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003471279] [2021-03-26 05:19:22,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:22,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:22,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:22,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:22,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:22,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:22,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:22,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:22,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:22,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:22,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:22,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:22,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:22,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:22,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:22,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:22,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:22,107 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:22,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:22,120 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:22,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:22,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003471279] [2021-03-26 05:19:22,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:22,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:22,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867758136] [2021-03-26 05:19:22,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:22,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:22,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:22,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:22,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:22,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 622 transitions, 18422 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:22,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:22,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:22,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:22,799 INFO L129 PetriNetUnfolder]: 605/1471 cut-off events. [2021-03-26 05:19:22,799 INFO L130 PetriNetUnfolder]: For 71558/71564 co-relation queries the response was YES. [2021-03-26 05:19:22,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16568 conditions, 1471 events. 605/1471 cut-off events. For 71558/71564 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10631 event pairs, 2 based on Foata normal form. 7/1268 useless extension candidates. Maximal degree in co-relation 16322. Up to 802 conditions per place. [2021-03-26 05:19:22,827 INFO L132 encePairwiseOnDemand]: 111/129 looper letters, 553 selfloop transitions, 61 changer transitions 0/632 dead transitions. [2021-03-26 05:19:22,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 632 transitions, 19864 flow [2021-03-26 05:19:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:19:22,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:19:22,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 740 transitions. [2021-03-26 05:19:22,828 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4097452934662237 [2021-03-26 05:19:22,828 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 740 transitions. [2021-03-26 05:19:22,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 740 transitions. [2021-03-26 05:19:22,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:22,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 740 transitions. [2021-03-26 05:19:22,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.857142857142854) internal successors, (740), 14 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:22,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:22,830 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:22,830 INFO L185 Difference]: Start difference. First operand has 548 places, 622 transitions, 18422 flow. Second operand 14 states and 740 transitions. [2021-03-26 05:19:22,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 632 transitions, 19864 flow [2021-03-26 05:19:23,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 632 transitions, 19515 flow, removed 10 selfloop flow, removed 19 redundant places. [2021-03-26 05:19:23,539 INFO L241 Difference]: Finished difference. Result has 546 places, 626 transitions, 18419 flow [2021-03-26 05:19:23,539 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18073, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18419, PETRI_PLACES=546, PETRI_TRANSITIONS=626} [2021-03-26 05:19:23,539 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 493 predicate places. [2021-03-26 05:19:23,539 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:23,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 626 transitions, 18419 flow [2021-03-26 05:19:23,540 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 626 transitions, 18419 flow [2021-03-26 05:19:23,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 546 places, 626 transitions, 18419 flow [2021-03-26 05:19:23,786 INFO L129 PetriNetUnfolder]: 539/1375 cut-off events. [2021-03-26 05:19:23,786 INFO L130 PetriNetUnfolder]: For 66610/66645 co-relation queries the response was YES. [2021-03-26 05:19:23,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14838 conditions, 1375 events. 539/1375 cut-off events. For 66610/66645 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10202 event pairs, 4 based on Foata normal form. 7/1178 useless extension candidates. Maximal degree in co-relation 14598. Up to 309 conditions per place. [2021-03-26 05:19:23,824 INFO L142 LiptonReduction]: Number of co-enabled transitions 2194 [2021-03-26 05:19:23,868 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:23,868 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:23,868 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 329 [2021-03-26 05:19:23,868 INFO L480 AbstractCegarLoop]: Abstraction has has 546 places, 626 transitions, 18419 flow [2021-03-26 05:19:23,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:23,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:23,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:23,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-03-26 05:19:23,868 INFO L428 AbstractCegarLoop]: === Iteration 170 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:23,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:23,869 INFO L82 PathProgramCache]: Analyzing trace with hash 214677328, now seen corresponding path program 19 times [2021-03-26 05:19:23,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:23,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903857871] [2021-03-26 05:19:23,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:23,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:23,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:23,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:23,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:23,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:23,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:23,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:23,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:23,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:23,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:23,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:23,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:23,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:23,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:23,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:23,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:23,947 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:23,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:23,960 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:23,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:23,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903857871] [2021-03-26 05:19:23,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:23,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:19:23,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808545857] [2021-03-26 05:19:23,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:19:23,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:23,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:19:23,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:19:23,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:23,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 626 transitions, 18419 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:23,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:23,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:23,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:24,652 INFO L129 PetriNetUnfolder]: 605/1477 cut-off events. [2021-03-26 05:19:24,653 INFO L130 PetriNetUnfolder]: For 72731/72735 co-relation queries the response was YES. [2021-03-26 05:19:24,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16503 conditions, 1477 events. 605/1477 cut-off events. For 72731/72735 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10690 event pairs, 10 based on Foata normal form. 5/1271 useless extension candidates. Maximal degree in co-relation 16259. Up to 793 conditions per place. [2021-03-26 05:19:24,678 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 545 selfloop transitions, 67 changer transitions 5/635 dead transitions. [2021-03-26 05:19:24,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 635 transitions, 19730 flow [2021-03-26 05:19:24,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:19:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:19:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 596 transitions. [2021-03-26 05:19:24,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4200140944326991 [2021-03-26 05:19:24,679 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 596 transitions. [2021-03-26 05:19:24,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 596 transitions. [2021-03-26 05:19:24,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:24,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 596 transitions. [2021-03-26 05:19:24,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.18181818181818) internal successors, (596), 11 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:24,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:24,680 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:24,680 INFO L185 Difference]: Start difference. First operand has 546 places, 626 transitions, 18419 flow. Second operand 11 states and 596 transitions. [2021-03-26 05:19:24,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 635 transitions, 19730 flow [2021-03-26 05:19:25,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 635 transitions, 19478 flow, removed 75 selfloop flow, removed 10 redundant places. [2021-03-26 05:19:25,359 INFO L241 Difference]: Finished difference. Result has 548 places, 622 transitions, 18199 flow [2021-03-26 05:19:25,359 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18167, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18199, PETRI_PLACES=548, PETRI_TRANSITIONS=622} [2021-03-26 05:19:25,359 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 495 predicate places. [2021-03-26 05:19:25,360 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:25,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 548 places, 622 transitions, 18199 flow [2021-03-26 05:19:25,360 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 548 places, 622 transitions, 18199 flow [2021-03-26 05:19:25,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 547 places, 622 transitions, 18199 flow [2021-03-26 05:19:25,608 INFO L129 PetriNetUnfolder]: 524/1332 cut-off events. [2021-03-26 05:19:25,609 INFO L130 PetriNetUnfolder]: For 64291/64325 co-relation queries the response was YES. [2021-03-26 05:19:25,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14510 conditions, 1332 events. 524/1332 cut-off events. For 64291/64325 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9793 event pairs, 3 based on Foata normal form. 8/1148 useless extension candidates. Maximal degree in co-relation 14268. Up to 301 conditions per place. [2021-03-26 05:19:25,647 INFO L142 LiptonReduction]: Number of co-enabled transitions 2170 [2021-03-26 05:19:25,690 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:25,691 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:25,691 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 331 [2021-03-26 05:19:25,691 INFO L480 AbstractCegarLoop]: Abstraction has has 547 places, 622 transitions, 18199 flow [2021-03-26 05:19:25,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:25,691 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:25,691 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:25,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-03-26 05:19:25,691 INFO L428 AbstractCegarLoop]: === Iteration 171 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:25,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:25,692 INFO L82 PathProgramCache]: Analyzing trace with hash -382956726, now seen corresponding path program 20 times [2021-03-26 05:19:25,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:25,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545027041] [2021-03-26 05:19:25,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:25,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:25,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:25,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:25,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:25,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:25,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:25,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:25,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:25,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:25,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:25,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:25,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:25,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:25,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:25,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:25,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:25,784 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:25,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:25,800 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:25,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:25,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545027041] [2021-03-26 05:19:25,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:25,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:25,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70259938] [2021-03-26 05:19:25,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:25,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:25,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:25,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:25,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:25,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 622 transitions, 18199 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:25,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:25,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:25,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:26,591 INFO L129 PetriNetUnfolder]: 600/1461 cut-off events. [2021-03-26 05:19:26,592 INFO L130 PetriNetUnfolder]: For 71047/71059 co-relation queries the response was YES. [2021-03-26 05:19:26,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16431 conditions, 1461 events. 600/1461 cut-off events. For 71047/71059 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10554 event pairs, 3 based on Foata normal form. 13/1268 useless extension candidates. Maximal degree in co-relation 16185. Up to 799 conditions per place. [2021-03-26 05:19:26,620 INFO L132 encePairwiseOnDemand]: 113/129 looper letters, 547 selfloop transitions, 53 changer transitions 15/633 dead transitions. [2021-03-26 05:19:26,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 633 transitions, 19575 flow [2021-03-26 05:19:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:19:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:19:26,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 746 transitions. [2021-03-26 05:19:26,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4130675526024363 [2021-03-26 05:19:26,622 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 746 transitions. [2021-03-26 05:19:26,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 746 transitions. [2021-03-26 05:19:26,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:26,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 746 transitions. [2021-03-26 05:19:26,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.285714285714285) internal successors, (746), 14 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:26,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:26,623 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:26,623 INFO L185 Difference]: Start difference. First operand has 547 places, 622 transitions, 18199 flow. Second operand 14 states and 746 transitions. [2021-03-26 05:19:26,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 633 transitions, 19575 flow [2021-03-26 05:19:27,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 633 transitions, 19436 flow, removed 4 selfloop flow, removed 10 redundant places. [2021-03-26 05:19:27,310 INFO L241 Difference]: Finished difference. Result has 554 places, 611 transitions, 17976 flow [2021-03-26 05:19:27,310 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18060, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17976, PETRI_PLACES=554, PETRI_TRANSITIONS=611} [2021-03-26 05:19:27,310 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 501 predicate places. [2021-03-26 05:19:27,310 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:27,310 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 554 places, 611 transitions, 17976 flow [2021-03-26 05:19:27,310 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 554 places, 611 transitions, 17976 flow [2021-03-26 05:19:27,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 552 places, 611 transitions, 17976 flow [2021-03-26 05:19:27,563 INFO L129 PetriNetUnfolder]: 539/1346 cut-off events. [2021-03-26 05:19:27,563 INFO L130 PetriNetUnfolder]: For 71440/71447 co-relation queries the response was YES. [2021-03-26 05:19:27,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14743 conditions, 1346 events. 539/1346 cut-off events. For 71440/71447 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9838 event pairs, 3 based on Foata normal form. 4/1154 useless extension candidates. Maximal degree in co-relation 14499. Up to 307 conditions per place. [2021-03-26 05:19:27,603 INFO L142 LiptonReduction]: Number of co-enabled transitions 2094 [2021-03-26 05:19:27,644 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:27,645 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:27,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 335 [2021-03-26 05:19:27,645 INFO L480 AbstractCegarLoop]: Abstraction has has 552 places, 611 transitions, 17976 flow [2021-03-26 05:19:27,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:27,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:27,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:27,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-03-26 05:19:27,645 INFO L428 AbstractCegarLoop]: === Iteration 172 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:27,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:27,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1883039926, now seen corresponding path program 21 times [2021-03-26 05:19:27,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:27,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937089839] [2021-03-26 05:19:27,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:27,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:27,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:27,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:27,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:27,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:27,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:27,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:27,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:27,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:27,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:27,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:27,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:27,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:27,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:27,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:27,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:27,729 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:27,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:27,742 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:27,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:27,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937089839] [2021-03-26 05:19:27,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:27,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:27,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296311037] [2021-03-26 05:19:27,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:27,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:27,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:27,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:27,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 05:19:27,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 611 transitions, 17976 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:27,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:27,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 05:19:27,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:28,379 INFO L129 PetriNetUnfolder]: 590/1428 cut-off events. [2021-03-26 05:19:28,380 INFO L130 PetriNetUnfolder]: For 70943/70955 co-relation queries the response was YES. [2021-03-26 05:19:28,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16254 conditions, 1428 events. 590/1428 cut-off events. For 70943/70955 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10198 event pairs, 3 based on Foata normal form. 13/1241 useless extension candidates. Maximal degree in co-relation 16006. Up to 753 conditions per place. [2021-03-26 05:19:28,407 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 498 selfloop transitions, 91 changer transitions 16/623 dead transitions. [2021-03-26 05:19:28,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 623 transitions, 19319 flow [2021-03-26 05:19:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 650 transitions. [2021-03-26 05:19:28,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4198966408268734 [2021-03-26 05:19:28,408 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 650 transitions. [2021-03-26 05:19:28,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 650 transitions. [2021-03-26 05:19:28,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:28,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 650 transitions. [2021-03-26 05:19:28,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.166666666666664) internal successors, (650), 12 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:28,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:28,410 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:28,410 INFO L185 Difference]: Start difference. First operand has 552 places, 611 transitions, 17976 flow. Second operand 12 states and 650 transitions. [2021-03-26 05:19:28,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 623 transitions, 19319 flow [2021-03-26 05:19:29,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 623 transitions, 18886 flow, removed 50 selfloop flow, removed 28 redundant places. [2021-03-26 05:19:29,117 INFO L241 Difference]: Finished difference. Result has 537 places, 598 transitions, 17245 flow [2021-03-26 05:19:29,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=17547, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17245, PETRI_PLACES=537, PETRI_TRANSITIONS=598} [2021-03-26 05:19:29,117 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 484 predicate places. [2021-03-26 05:19:29,117 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:29,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 537 places, 598 transitions, 17245 flow [2021-03-26 05:19:29,117 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 537 places, 598 transitions, 17245 flow [2021-03-26 05:19:29,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 598 transitions, 17245 flow [2021-03-26 05:19:29,341 INFO L129 PetriNetUnfolder]: 519/1302 cut-off events. [2021-03-26 05:19:29,341 INFO L130 PetriNetUnfolder]: For 61496/61528 co-relation queries the response was YES. [2021-03-26 05:19:29,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13929 conditions, 1302 events. 519/1302 cut-off events. For 61496/61528 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9411 event pairs, 2 based on Foata normal form. 11/1119 useless extension candidates. Maximal degree in co-relation 13695. Up to 293 conditions per place. [2021-03-26 05:19:29,378 INFO L142 LiptonReduction]: Number of co-enabled transitions 2058 [2021-03-26 05:19:29,513 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:19:29,513 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:19:29,513 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 396 [2021-03-26 05:19:29,513 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 598 transitions, 17256 flow [2021-03-26 05:19:29,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:29,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:29,513 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:29,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-03-26 05:19:29,513 INFO L428 AbstractCegarLoop]: === Iteration 173 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:29,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:29,514 INFO L82 PathProgramCache]: Analyzing trace with hash -348118948, now seen corresponding path program 1 times [2021-03-26 05:19:29,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:29,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195959669] [2021-03-26 05:19:29,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:29,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:29,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:29,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:29,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:29,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:29,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:29,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:29,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:29,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:29,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:29,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:29,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:29,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:29,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:29,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:29,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:29,584 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:29,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:29,596 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:29,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:29,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195959669] [2021-03-26 05:19:29,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:29,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:19:29,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134726255] [2021-03-26 05:19:29,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:19:29,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:29,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:19:29,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:19:29,599 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:29,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 598 transitions, 17256 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:29,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:29,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:29,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:30,205 INFO L129 PetriNetUnfolder]: 582/1400 cut-off events. [2021-03-26 05:19:30,205 INFO L130 PetriNetUnfolder]: For 68112/68116 co-relation queries the response was YES. [2021-03-26 05:19:30,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15758 conditions, 1400 events. 582/1400 cut-off events. For 68112/68116 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9860 event pairs, 11 based on Foata normal form. 5/1209 useless extension candidates. Maximal degree in co-relation 15520. Up to 755 conditions per place. [2021-03-26 05:19:30,231 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 500 selfloop transitions, 84 changer transitions 5/607 dead transitions. [2021-03-26 05:19:30,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 607 transitions, 18534 flow [2021-03-26 05:19:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:19:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:19:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 548 transitions. [2021-03-26 05:19:30,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4183206106870229 [2021-03-26 05:19:30,232 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 548 transitions. [2021-03-26 05:19:30,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 548 transitions. [2021-03-26 05:19:30,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:30,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 548 transitions. [2021-03-26 05:19:30,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.8) internal successors, (548), 10 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:30,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:30,233 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:30,233 INFO L185 Difference]: Start difference. First operand has 529 places, 598 transitions, 17256 flow. Second operand 10 states and 548 transitions. [2021-03-26 05:19:30,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 607 transitions, 18534 flow [2021-03-26 05:19:30,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 607 transitions, 18102 flow, removed 30 selfloop flow, removed 21 redundant places. [2021-03-26 05:19:30,742 INFO L241 Difference]: Finished difference. Result has 519 places, 594 transitions, 16891 flow [2021-03-26 05:19:30,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16824, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=16891, PETRI_PLACES=519, PETRI_TRANSITIONS=594} [2021-03-26 05:19:30,743 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 466 predicate places. [2021-03-26 05:19:30,743 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:30,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 519 places, 594 transitions, 16891 flow [2021-03-26 05:19:30,743 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 519 places, 594 transitions, 16891 flow [2021-03-26 05:19:30,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 594 transitions, 16891 flow [2021-03-26 05:19:30,992 INFO L129 PetriNetUnfolder]: 511/1279 cut-off events. [2021-03-26 05:19:30,992 INFO L130 PetriNetUnfolder]: For 60072/60106 co-relation queries the response was YES. [2021-03-26 05:19:31,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13717 conditions, 1279 events. 511/1279 cut-off events. For 60072/60106 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9203 event pairs, 4 based on Foata normal form. 8/1101 useless extension candidates. Maximal degree in co-relation 13489. Up to 291 conditions per place. [2021-03-26 05:19:31,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 2034 [2021-03-26 05:19:31,058 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:31,058 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:31,059 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 316 [2021-03-26 05:19:31,059 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 594 transitions, 16891 flow [2021-03-26 05:19:31,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:31,059 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:31,059 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:31,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-03-26 05:19:31,059 INFO L428 AbstractCegarLoop]: === Iteration 174 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:31,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:31,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1617476089, now seen corresponding path program 1 times [2021-03-26 05:19:31,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:31,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413004345] [2021-03-26 05:19:31,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:31,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:31,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:31,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:31,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:31,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:31,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:31,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:31,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:31,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:31,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:31,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:31,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:31,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:31,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:31,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:31,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:31,129 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:31,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:31,134 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:19:31,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:31,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413004345] [2021-03-26 05:19:31,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:31,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:19:31,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366239062] [2021-03-26 05:19:31,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:19:31,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:31,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:19:31,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:19:31,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:31,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 594 transitions, 16891 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:31,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:31,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:31,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:31,671 INFO L129 PetriNetUnfolder]: 575/1378 cut-off events. [2021-03-26 05:19:31,671 INFO L130 PetriNetUnfolder]: For 67178/67182 co-relation queries the response was YES. [2021-03-26 05:19:31,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15542 conditions, 1378 events. 575/1378 cut-off events. For 67178/67182 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9665 event pairs, 11 based on Foata normal form. 5/1193 useless extension candidates. Maximal degree in co-relation 15310. Up to 787 conditions per place. [2021-03-26 05:19:31,696 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 538 selfloop transitions, 44 changer transitions 0/600 dead transitions. [2021-03-26 05:19:31,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 600 transitions, 18159 flow [2021-03-26 05:19:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:19:31,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:19:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 444 transitions. [2021-03-26 05:19:31,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42366412213740456 [2021-03-26 05:19:31,697 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 444 transitions. [2021-03-26 05:19:31,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 444 transitions. [2021-03-26 05:19:31,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:31,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 444 transitions. [2021-03-26 05:19:31,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 55.5) internal successors, (444), 8 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:31,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 131.0) internal successors, (1179), 9 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:31,698 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 131.0) internal successors, (1179), 9 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:31,698 INFO L185 Difference]: Start difference. First operand has 517 places, 594 transitions, 16891 flow. Second operand 8 states and 444 transitions. [2021-03-26 05:19:31,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 600 transitions, 18159 flow [2021-03-26 05:19:32,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 600 transitions, 17885 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-26 05:19:32,249 INFO L241 Difference]: Finished difference. Result has 513 places, 595 transitions, 16811 flow [2021-03-26 05:19:32,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16617, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16811, PETRI_PLACES=513, PETRI_TRANSITIONS=595} [2021-03-26 05:19:32,250 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 460 predicate places. [2021-03-26 05:19:32,250 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:32,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 595 transitions, 16811 flow [2021-03-26 05:19:32,250 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 595 transitions, 16811 flow [2021-03-26 05:19:32,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 513 places, 595 transitions, 16811 flow [2021-03-26 05:19:32,467 INFO L129 PetriNetUnfolder]: 515/1290 cut-off events. [2021-03-26 05:19:32,468 INFO L130 PetriNetUnfolder]: For 60372/60407 co-relation queries the response was YES. [2021-03-26 05:19:32,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13841 conditions, 1290 events. 515/1290 cut-off events. For 60372/60407 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9253 event pairs, 4 based on Foata normal form. 7/1108 useless extension candidates. Maximal degree in co-relation 13615. Up to 296 conditions per place. [2021-03-26 05:19:32,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 2046 [2021-03-26 05:19:32,543 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:32,543 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:32,543 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 293 [2021-03-26 05:19:32,543 INFO L480 AbstractCegarLoop]: Abstraction has has 513 places, 595 transitions, 16811 flow [2021-03-26 05:19:32,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:32,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:32,543 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:32,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-03-26 05:19:32,544 INFO L428 AbstractCegarLoop]: === Iteration 175 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:32,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:32,544 INFO L82 PathProgramCache]: Analyzing trace with hash -291306275, now seen corresponding path program 2 times [2021-03-26 05:19:32,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:32,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323824851] [2021-03-26 05:19:32,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:32,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:32,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:32,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:32,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:32,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:32,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:32,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:32,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:32,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:32,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:32,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:32,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:32,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:32,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:32,598 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:32,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:32,609 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:32,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:32,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323824851] [2021-03-26 05:19:32,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:32,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:19:32,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388752730] [2021-03-26 05:19:32,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:19:32,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:32,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:19:32,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:19:32,613 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:32,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 595 transitions, 16811 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:32,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:32,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:32,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:33,198 INFO L129 PetriNetUnfolder]: 575/1382 cut-off events. [2021-03-26 05:19:33,198 INFO L130 PetriNetUnfolder]: For 65924/65930 co-relation queries the response was YES. [2021-03-26 05:19:33,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15490 conditions, 1382 events. 575/1382 cut-off events. For 65924/65930 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9723 event pairs, 3 based on Foata normal form. 7/1198 useless extension candidates. Maximal degree in co-relation 15260. Up to 733 conditions per place. [2021-03-26 05:19:33,223 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 469 selfloop transitions, 110 changer transitions 6/603 dead transitions. [2021-03-26 05:19:33,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 603 transitions, 18125 flow [2021-03-26 05:19:33,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:19:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:19:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 506 transitions. [2021-03-26 05:19:33,225 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42917726887192537 [2021-03-26 05:19:33,225 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 506 transitions. [2021-03-26 05:19:33,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 506 transitions. [2021-03-26 05:19:33,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:33,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 506 transitions. [2021-03-26 05:19:33,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.22222222222222) internal successors, (506), 9 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:33,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:33,226 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:33,226 INFO L185 Difference]: Start difference. First operand has 513 places, 595 transitions, 16811 flow. Second operand 9 states and 506 transitions. [2021-03-26 05:19:33,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 603 transitions, 18125 flow [2021-03-26 05:19:33,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 603 transitions, 17981 flow, removed 41 selfloop flow, removed 5 redundant places. [2021-03-26 05:19:33,775 INFO L241 Difference]: Finished difference. Result has 518 places, 590 transitions, 16910 flow [2021-03-26 05:19:33,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16667, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16910, PETRI_PLACES=518, PETRI_TRANSITIONS=590} [2021-03-26 05:19:33,775 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 465 predicate places. [2021-03-26 05:19:33,775 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:33,775 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 518 places, 590 transitions, 16910 flow [2021-03-26 05:19:33,775 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 518 places, 590 transitions, 16910 flow [2021-03-26 05:19:33,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 590 transitions, 16910 flow [2021-03-26 05:19:34,012 INFO L129 PetriNetUnfolder]: 507/1268 cut-off events. [2021-03-26 05:19:34,012 INFO L130 PetriNetUnfolder]: For 60162/60196 co-relation queries the response was YES. [2021-03-26 05:19:34,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13735 conditions, 1268 events. 507/1268 cut-off events. For 60162/60196 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9120 event pairs, 5 based on Foata normal form. 8/1092 useless extension candidates. Maximal degree in co-relation 13529. Up to 291 conditions per place. [2021-03-26 05:19:34,043 INFO L142 LiptonReduction]: Number of co-enabled transitions 1996 [2021-03-26 05:19:34,080 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:34,080 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:34,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 305 [2021-03-26 05:19:34,081 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 590 transitions, 16910 flow [2021-03-26 05:19:34,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:34,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:34,081 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:34,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-03-26 05:19:34,081 INFO L428 AbstractCegarLoop]: === Iteration 176 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:34,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:34,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1772584682, now seen corresponding path program 2 times [2021-03-26 05:19:34,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:34,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137220945] [2021-03-26 05:19:34,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:34,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:34,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:34,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:34,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:34,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:34,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:34,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:34,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:34,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:34,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:34,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:34,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:34,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:34,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:34,131 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:19:34,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:19:34,145 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:34,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:34,160 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:34,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:34,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137220945] [2021-03-26 05:19:34,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:34,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:19:34,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55070803] [2021-03-26 05:19:34,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:19:34,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:34,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:19:34,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:19:34,164 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:34,164 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 590 transitions, 16910 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:34,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:34,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:34,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:34,728 INFO L129 PetriNetUnfolder]: 572/1371 cut-off events. [2021-03-26 05:19:34,728 INFO L130 PetriNetUnfolder]: For 67431/67441 co-relation queries the response was YES. [2021-03-26 05:19:34,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15553 conditions, 1371 events. 572/1371 cut-off events. For 67431/67441 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9579 event pairs, 12 based on Foata normal form. 11/1193 useless extension candidates. Maximal degree in co-relation 15345. Up to 758 conditions per place. [2021-03-26 05:19:34,753 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 513 selfloop transitions, 63 changer transitions 6/600 dead transitions. [2021-03-26 05:19:34,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 600 transitions, 18199 flow [2021-03-26 05:19:34,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:19:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:19:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 544 transitions. [2021-03-26 05:19:34,754 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4152671755725191 [2021-03-26 05:19:34,754 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 544 transitions. [2021-03-26 05:19:34,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 544 transitions. [2021-03-26 05:19:34,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:34,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 544 transitions. [2021-03-26 05:19:34,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.4) internal successors, (544), 10 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:34,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:34,755 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:34,756 INFO L185 Difference]: Start difference. First operand has 516 places, 590 transitions, 16910 flow. Second operand 10 states and 544 transitions. [2021-03-26 05:19:34,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 600 transitions, 18199 flow [2021-03-26 05:19:35,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 600 transitions, 17771 flow, removed 11 selfloop flow, removed 16 redundant places. [2021-03-26 05:19:35,307 INFO L241 Difference]: Finished difference. Result has 512 places, 586 transitions, 16448 flow [2021-03-26 05:19:35,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16482, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=16448, PETRI_PLACES=512, PETRI_TRANSITIONS=586} [2021-03-26 05:19:35,307 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 459 predicate places. [2021-03-26 05:19:35,307 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:35,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 586 transitions, 16448 flow [2021-03-26 05:19:35,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 586 transitions, 16448 flow [2021-03-26 05:19:35,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 586 transitions, 16448 flow [2021-03-26 05:19:35,522 INFO L129 PetriNetUnfolder]: 512/1274 cut-off events. [2021-03-26 05:19:35,522 INFO L130 PetriNetUnfolder]: For 59577/59611 co-relation queries the response was YES. [2021-03-26 05:19:35,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13697 conditions, 1274 events. 512/1274 cut-off events. For 59577/59611 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9068 event pairs, 4 based on Foata normal form. 8/1098 useless extension candidates. Maximal degree in co-relation 13472. Up to 296 conditions per place. [2021-03-26 05:19:35,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 1996 [2021-03-26 05:19:35,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:35,594 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:35,594 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 287 [2021-03-26 05:19:35,594 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 586 transitions, 16448 flow [2021-03-26 05:19:35,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:35,594 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:35,594 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:35,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-03-26 05:19:35,594 INFO L428 AbstractCegarLoop]: === Iteration 177 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:35,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:35,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1964293404, now seen corresponding path program 1 times [2021-03-26 05:19:35,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:35,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716451126] [2021-03-26 05:19:35,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:35,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:35,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:35,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:35,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:35,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:35,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:35,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:35,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:35,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:35,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:35,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:35,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:35,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:35,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:35,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:35,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:35,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:35,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:35,689 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:35,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:35,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716451126] [2021-03-26 05:19:35,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:35,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:35,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293456861] [2021-03-26 05:19:35,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:35,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:35,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:35,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:35,692 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:35,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 586 transitions, 16448 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:35,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:35,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:35,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:36,299 INFO L129 PetriNetUnfolder]: 570/1364 cut-off events. [2021-03-26 05:19:36,299 INFO L130 PetriNetUnfolder]: For 65143/65147 co-relation queries the response was YES. [2021-03-26 05:19:36,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15325 conditions, 1364 events. 570/1364 cut-off events. For 65143/65147 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9504 event pairs, 12 based on Foata normal form. 5/1182 useless extension candidates. Maximal degree in co-relation 15096. Up to 765 conditions per place. [2021-03-26 05:19:36,326 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 514 selfloop transitions, 63 changer transitions 0/595 dead transitions. [2021-03-26 05:19:36,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 595 transitions, 17910 flow [2021-03-26 05:19:36,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:19:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:19:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 595 transitions. [2021-03-26 05:19:36,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41290770298403884 [2021-03-26 05:19:36,327 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 595 transitions. [2021-03-26 05:19:36,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 595 transitions. [2021-03-26 05:19:36,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:36,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 595 transitions. [2021-03-26 05:19:36,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.09090909090909) internal successors, (595), 11 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:36,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:36,328 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:36,328 INFO L185 Difference]: Start difference. First operand has 511 places, 586 transitions, 16448 flow. Second operand 11 states and 595 transitions. [2021-03-26 05:19:36,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 595 transitions, 17910 flow [2021-03-26 05:19:36,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 595 transitions, 17664 flow, removed 8 selfloop flow, removed 17 redundant places. [2021-03-26 05:19:36,828 INFO L241 Difference]: Finished difference. Result has 506 places, 589 transitions, 16645 flow [2021-03-26 05:19:36,828 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16202, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16645, PETRI_PLACES=506, PETRI_TRANSITIONS=589} [2021-03-26 05:19:36,829 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 453 predicate places. [2021-03-26 05:19:36,829 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:36,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 589 transitions, 16645 flow [2021-03-26 05:19:36,829 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 589 transitions, 16645 flow [2021-03-26 05:19:36,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 506 places, 589 transitions, 16645 flow [2021-03-26 05:19:37,057 INFO L129 PetriNetUnfolder]: 507/1270 cut-off events. [2021-03-26 05:19:37,058 INFO L130 PetriNetUnfolder]: For 60165/60199 co-relation queries the response was YES. [2021-03-26 05:19:37,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13517 conditions, 1270 events. 507/1270 cut-off events. For 60165/60199 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9137 event pairs, 5 based on Foata normal form. 8/1093 useless extension candidates. Maximal degree in co-relation 13296. Up to 293 conditions per place. [2021-03-26 05:19:37,090 INFO L142 LiptonReduction]: Number of co-enabled transitions 2036 [2021-03-26 05:19:37,126 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:37,126 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:37,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-03-26 05:19:37,127 INFO L480 AbstractCegarLoop]: Abstraction has has 506 places, 589 transitions, 16645 flow [2021-03-26 05:19:37,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:37,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:37,127 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:37,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-03-26 05:19:37,127 INFO L428 AbstractCegarLoop]: === Iteration 178 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:37,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:37,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1503124754, now seen corresponding path program 2 times [2021-03-26 05:19:37,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:37,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867906172] [2021-03-26 05:19:37,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:37,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:37,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:37,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:37,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:37,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:37,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:37,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:37,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:37,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:37,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:37,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:37,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:37,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:37,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:37,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:37,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:37,203 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:37,217 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:37,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:37,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:37,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867906172] [2021-03-26 05:19:37,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:37,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:37,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068712174] [2021-03-26 05:19:37,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:37,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:37,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:37,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:37,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:37,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 589 transitions, 16645 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:37,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:37,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:37,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:37,853 INFO L129 PetriNetUnfolder]: 578/1388 cut-off events. [2021-03-26 05:19:37,854 INFO L130 PetriNetUnfolder]: For 68708/68712 co-relation queries the response was YES. [2021-03-26 05:19:37,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15497 conditions, 1388 events. 578/1388 cut-off events. For 68708/68712 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 9797 event pairs, 12 based on Foata normal form. 5/1200 useless extension candidates. Maximal degree in co-relation 15272. Up to 766 conditions per place. [2021-03-26 05:19:37,881 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 512 selfloop transitions, 72 changer transitions 0/602 dead transitions. [2021-03-26 05:19:37,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 602 transitions, 18212 flow [2021-03-26 05:19:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:37,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 651 transitions. [2021-03-26 05:19:37,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41412213740458015 [2021-03-26 05:19:37,882 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 651 transitions. [2021-03-26 05:19:37,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 651 transitions. [2021-03-26 05:19:37,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:37,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 651 transitions. [2021-03-26 05:19:37,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.25) internal successors, (651), 12 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:37,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:37,883 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:37,883 INFO L185 Difference]: Start difference. First operand has 506 places, 589 transitions, 16645 flow. Second operand 12 states and 651 transitions. [2021-03-26 05:19:37,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 602 transitions, 18212 flow [2021-03-26 05:19:38,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 602 transitions, 18051 flow, removed 48 selfloop flow, removed 8 redundant places. [2021-03-26 05:19:38,473 INFO L241 Difference]: Finished difference. Result has 512 places, 595 transitions, 17048 flow [2021-03-26 05:19:38,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16484, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17048, PETRI_PLACES=512, PETRI_TRANSITIONS=595} [2021-03-26 05:19:38,473 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 459 predicate places. [2021-03-26 05:19:38,473 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:38,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 595 transitions, 17048 flow [2021-03-26 05:19:38,473 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 595 transitions, 17048 flow [2021-03-26 05:19:38,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 512 places, 595 transitions, 17048 flow [2021-03-26 05:19:38,691 INFO L129 PetriNetUnfolder]: 520/1305 cut-off events. [2021-03-26 05:19:38,691 INFO L130 PetriNetUnfolder]: For 64844/64875 co-relation queries the response was YES. [2021-03-26 05:19:38,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13973 conditions, 1305 events. 520/1305 cut-off events. For 64844/64875 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9424 event pairs, 4 based on Foata normal form. 10/1122 useless extension candidates. Maximal degree in co-relation 13748. Up to 304 conditions per place. [2021-03-26 05:19:38,726 INFO L142 LiptonReduction]: Number of co-enabled transitions 2076 [2021-03-26 05:19:38,764 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:38,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:38,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 292 [2021-03-26 05:19:38,765 INFO L480 AbstractCegarLoop]: Abstraction has has 512 places, 595 transitions, 17048 flow [2021-03-26 05:19:38,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:38,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:38,765 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:38,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-03-26 05:19:38,765 INFO L428 AbstractCegarLoop]: === Iteration 179 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:38,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:38,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1316293192, now seen corresponding path program 3 times [2021-03-26 05:19:38,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:38,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305010537] [2021-03-26 05:19:38,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:38,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:38,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:38,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:38,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:38,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:38,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:38,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:38,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:38,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:38,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:38,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:38,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:38,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:38,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:38,841 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:38,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:38,857 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:38,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:38,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305010537] [2021-03-26 05:19:38,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:38,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:38,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529551511] [2021-03-26 05:19:38,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:38,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:38,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:38,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:38,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:38,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 595 transitions, 17048 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:38,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:38,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:38,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:39,560 INFO L129 PetriNetUnfolder]: 587/1418 cut-off events. [2021-03-26 05:19:39,560 INFO L130 PetriNetUnfolder]: For 71910/71914 co-relation queries the response was YES. [2021-03-26 05:19:39,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15843 conditions, 1418 events. 587/1418 cut-off events. For 71910/71914 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10090 event pairs, 11 based on Foata normal form. 5/1222 useless extension candidates. Maximal degree in co-relation 15614. Up to 764 conditions per place. [2021-03-26 05:19:39,586 INFO L132 encePairwiseOnDemand]: 112/131 looper letters, 503 selfloop transitions, 89 changer transitions 0/610 dead transitions. [2021-03-26 05:19:39,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 610 transitions, 18759 flow [2021-03-26 05:19:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:19:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:19:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 05:19:39,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41397533763945976 [2021-03-26 05:19:39,597 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 05:19:39,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 05:19:39,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:39,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 05:19:39,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:39,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:39,599 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:39,599 INFO L185 Difference]: Start difference. First operand has 512 places, 595 transitions, 17048 flow. Second operand 13 states and 705 transitions. [2021-03-26 05:19:39,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 610 transitions, 18759 flow [2021-03-26 05:19:40,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 610 transitions, 18525 flow, removed 84 selfloop flow, removed 7 redundant places. [2021-03-26 05:19:40,243 INFO L241 Difference]: Finished difference. Result has 520 places, 602 transitions, 17519 flow [2021-03-26 05:19:40,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16814, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=17519, PETRI_PLACES=520, PETRI_TRANSITIONS=602} [2021-03-26 05:19:40,243 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 467 predicate places. [2021-03-26 05:19:40,243 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:40,243 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 520 places, 602 transitions, 17519 flow [2021-03-26 05:19:40,243 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 520 places, 602 transitions, 17519 flow [2021-03-26 05:19:40,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 520 places, 602 transitions, 17519 flow [2021-03-26 05:19:40,470 INFO L129 PetriNetUnfolder]: 516/1305 cut-off events. [2021-03-26 05:19:40,470 INFO L130 PetriNetUnfolder]: For 63600/63636 co-relation queries the response was YES. [2021-03-26 05:19:40,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14103 conditions, 1305 events. 516/1305 cut-off events. For 63600/63636 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9498 event pairs, 9 based on Foata normal form. 8/1121 useless extension candidates. Maximal degree in co-relation 13874. Up to 300 conditions per place. [2021-03-26 05:19:40,505 INFO L142 LiptonReduction]: Number of co-enabled transitions 2128 [2021-03-26 05:19:40,545 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:40,545 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:40,546 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 303 [2021-03-26 05:19:40,546 INFO L480 AbstractCegarLoop]: Abstraction has has 520 places, 602 transitions, 17519 flow [2021-03-26 05:19:40,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:40,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:40,546 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:40,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-03-26 05:19:40,546 INFO L428 AbstractCegarLoop]: === Iteration 180 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:40,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:40,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1704003658, now seen corresponding path program 4 times [2021-03-26 05:19:40,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:40,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634095813] [2021-03-26 05:19:40,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:40,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:40,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:40,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:40,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:40,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:40,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:40,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:40,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:40,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:40,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:40,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:40,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:40,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:40,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:40,631 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:19:40,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:19:40,644 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:40,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:40,670 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:19:40,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:40,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634095813] [2021-03-26 05:19:40,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:40,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:40,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410155024] [2021-03-26 05:19:40,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:40,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:40,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:40,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:40,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:40,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 602 transitions, 17519 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:40,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:40,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:40,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:41,360 INFO L129 PetriNetUnfolder]: 585/1422 cut-off events. [2021-03-26 05:19:41,360 INFO L130 PetriNetUnfolder]: For 72797/72801 co-relation queries the response was YES. [2021-03-26 05:19:41,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16102 conditions, 1422 events. 585/1422 cut-off events. For 72797/72801 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 10157 event pairs, 12 based on Foata normal form. 5/1228 useless extension candidates. Maximal degree in co-relation 15869. Up to 769 conditions per place. [2021-03-26 05:19:41,388 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 514 selfloop transitions, 80 changer transitions 3/615 dead transitions. [2021-03-26 05:19:41,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 615 transitions, 19142 flow [2021-03-26 05:19:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 647 transitions. [2021-03-26 05:19:41,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4115776081424936 [2021-03-26 05:19:41,389 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 647 transitions. [2021-03-26 05:19:41,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 647 transitions. [2021-03-26 05:19:41,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:41,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 647 transitions. [2021-03-26 05:19:41,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.916666666666664) internal successors, (647), 12 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:41,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:41,390 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:41,390 INFO L185 Difference]: Start difference. First operand has 520 places, 602 transitions, 17519 flow. Second operand 12 states and 647 transitions. [2021-03-26 05:19:41,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 615 transitions, 19142 flow [2021-03-26 05:19:41,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 615 transitions, 18830 flow, removed 96 selfloop flow, removed 7 redundant places. [2021-03-26 05:19:41,982 INFO L241 Difference]: Finished difference. Result has 528 places, 607 transitions, 17705 flow [2021-03-26 05:19:41,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17231, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17705, PETRI_PLACES=528, PETRI_TRANSITIONS=607} [2021-03-26 05:19:41,982 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 475 predicate places. [2021-03-26 05:19:41,982 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:41,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 528 places, 607 transitions, 17705 flow [2021-03-26 05:19:41,982 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 528 places, 607 transitions, 17705 flow [2021-03-26 05:19:41,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 528 places, 607 transitions, 17705 flow [2021-03-26 05:19:42,219 INFO L129 PetriNetUnfolder]: 536/1340 cut-off events. [2021-03-26 05:19:42,220 INFO L130 PetriNetUnfolder]: For 71807/71813 co-relation queries the response was YES. [2021-03-26 05:19:42,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14625 conditions, 1340 events. 536/1340 cut-off events. For 71807/71813 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9831 event pairs, 5 based on Foata normal form. 3/1147 useless extension candidates. Maximal degree in co-relation 14392. Up to 306 conditions per place. [2021-03-26 05:19:42,255 INFO L142 LiptonReduction]: Number of co-enabled transitions 2140 [2021-03-26 05:19:42,295 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:42,296 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:42,296 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 314 [2021-03-26 05:19:42,296 INFO L480 AbstractCegarLoop]: Abstraction has has 528 places, 607 transitions, 17705 flow [2021-03-26 05:19:42,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:42,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:42,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:42,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-03-26 05:19:42,296 INFO L428 AbstractCegarLoop]: === Iteration 181 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:42,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:42,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1220477104, now seen corresponding path program 5 times [2021-03-26 05:19:42,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:42,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275997498] [2021-03-26 05:19:42,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:42,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:42,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:42,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:42,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:42,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:42,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:42,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:42,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:42,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:42,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:42,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:42,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:42,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:42,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:42,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:42,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:42,389 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:42,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:42,402 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:42,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:42,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275997498] [2021-03-26 05:19:42,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:42,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:42,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146373501] [2021-03-26 05:19:42,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:42,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:42,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:42,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:42,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:42,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 607 transitions, 17705 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:42,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:42,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:42,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:43,138 INFO L129 PetriNetUnfolder]: 585/1422 cut-off events. [2021-03-26 05:19:43,138 INFO L130 PetriNetUnfolder]: For 73074/73086 co-relation queries the response was YES. [2021-03-26 05:19:43,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16217 conditions, 1422 events. 585/1422 cut-off events. For 73074/73086 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10186 event pairs, 4 based on Foata normal form. 13/1236 useless extension candidates. Maximal degree in co-relation 15980. Up to 775 conditions per place. [2021-03-26 05:19:43,162 INFO L132 encePairwiseOnDemand]: 116/131 looper letters, 520 selfloop transitions, 83 changer transitions 0/621 dead transitions. [2021-03-26 05:19:43,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 621 transitions, 19352 flow [2021-03-26 05:19:43,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:19:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:19:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 699 transitions. [2021-03-26 05:19:43,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41045214327657076 [2021-03-26 05:19:43,164 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 699 transitions. [2021-03-26 05:19:43,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 699 transitions. [2021-03-26 05:19:43,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:43,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 699 transitions. [2021-03-26 05:19:43,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.76923076923077) internal successors, (699), 13 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:43,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:43,165 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:43,165 INFO L185 Difference]: Start difference. First operand has 528 places, 607 transitions, 17705 flow. Second operand 13 states and 699 transitions. [2021-03-26 05:19:43,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 621 transitions, 19352 flow [2021-03-26 05:19:43,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 621 transitions, 19152 flow, removed 53 selfloop flow, removed 9 redundant places. [2021-03-26 05:19:43,812 INFO L241 Difference]: Finished difference. Result has 534 places, 614 transitions, 18105 flow [2021-03-26 05:19:43,813 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17509, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18105, PETRI_PLACES=534, PETRI_TRANSITIONS=614} [2021-03-26 05:19:43,813 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 481 predicate places. [2021-03-26 05:19:43,813 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:43,813 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 534 places, 614 transitions, 18105 flow [2021-03-26 05:19:43,813 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 534 places, 614 transitions, 18105 flow [2021-03-26 05:19:43,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 614 transitions, 18105 flow [2021-03-26 05:19:44,056 INFO L129 PetriNetUnfolder]: 544/1375 cut-off events. [2021-03-26 05:19:44,056 INFO L130 PetriNetUnfolder]: For 71219/71253 co-relation queries the response was YES. [2021-03-26 05:19:44,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14886 conditions, 1375 events. 544/1375 cut-off events. For 71219/71253 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10136 event pairs, 6 based on Foata normal form. 6/1175 useless extension candidates. Maximal degree in co-relation 14651. Up to 310 conditions per place. [2021-03-26 05:19:44,093 INFO L142 LiptonReduction]: Number of co-enabled transitions 2174 [2021-03-26 05:19:44,135 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:44,136 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:44,136 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 323 [2021-03-26 05:19:44,136 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 614 transitions, 18105 flow [2021-03-26 05:19:44,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:44,136 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:44,136 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:44,136 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-03-26 05:19:44,136 INFO L428 AbstractCegarLoop]: === Iteration 182 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:44,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:44,136 INFO L82 PathProgramCache]: Analyzing trace with hash -632903452, now seen corresponding path program 6 times [2021-03-26 05:19:44,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:44,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936627063] [2021-03-26 05:19:44,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:44,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:44,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:44,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:44,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:44,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:44,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:44,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:44,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:44,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:44,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:44,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:44,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:44,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:44,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:44,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:44,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:44,224 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:44,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:44,238 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:44,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:44,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936627063] [2021-03-26 05:19:44,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:44,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:44,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178108593] [2021-03-26 05:19:44,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:44,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:44,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:44,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:44,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:44,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 614 transitions, 18105 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:44,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:44,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:44,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:44,912 INFO L129 PetriNetUnfolder]: 592/1451 cut-off events. [2021-03-26 05:19:44,912 INFO L130 PetriNetUnfolder]: For 77815/77819 co-relation queries the response was YES. [2021-03-26 05:19:44,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16460 conditions, 1451 events. 592/1451 cut-off events. For 77815/77819 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10503 event pairs, 13 based on Foata normal form. 5/1249 useless extension candidates. Maximal degree in co-relation 16221. Up to 773 conditions per place. [2021-03-26 05:19:44,940 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 531 selfloop transitions, 76 changer transitions 0/625 dead transitions. [2021-03-26 05:19:44,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 625 transitions, 19615 flow [2021-03-26 05:19:44,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 05:19:44,941 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.410941475826972 [2021-03-26 05:19:44,941 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 05:19:44,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 05:19:44,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:44,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 05:19:44,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:44,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:44,942 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:44,942 INFO L185 Difference]: Start difference. First operand has 534 places, 614 transitions, 18105 flow. Second operand 12 states and 646 transitions. [2021-03-26 05:19:44,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 625 transitions, 19615 flow [2021-03-26 05:19:45,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 625 transitions, 19272 flow, removed 133 selfloop flow, removed 8 redundant places. [2021-03-26 05:19:45,615 INFO L241 Difference]: Finished difference. Result has 540 places, 616 transitions, 18124 flow [2021-03-26 05:19:45,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17762, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18124, PETRI_PLACES=540, PETRI_TRANSITIONS=616} [2021-03-26 05:19:45,620 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 487 predicate places. [2021-03-26 05:19:45,620 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:45,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 616 transitions, 18124 flow [2021-03-26 05:19:45,620 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 616 transitions, 18124 flow [2021-03-26 05:19:45,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 540 places, 616 transitions, 18124 flow [2021-03-26 05:19:45,890 INFO L129 PetriNetUnfolder]: 538/1381 cut-off events. [2021-03-26 05:19:45,890 INFO L130 PetriNetUnfolder]: For 69792/69824 co-relation queries the response was YES. [2021-03-26 05:19:45,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14849 conditions, 1381 events. 538/1381 cut-off events. For 69792/69824 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10320 event pairs, 6 based on Foata normal form. 10/1179 useless extension candidates. Maximal degree in co-relation 14610. Up to 302 conditions per place. [2021-03-26 05:19:45,976 INFO L142 LiptonReduction]: Number of co-enabled transitions 2200 [2021-03-26 05:19:46,016 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:46,016 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:46,016 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 396 [2021-03-26 05:19:46,016 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 616 transitions, 18124 flow [2021-03-26 05:19:46,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:46,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:46,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:46,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-03-26 05:19:46,017 INFO L428 AbstractCegarLoop]: === Iteration 183 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:46,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:46,017 INFO L82 PathProgramCache]: Analyzing trace with hash -288704972, now seen corresponding path program 1 times [2021-03-26 05:19:46,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:46,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037079272] [2021-03-26 05:19:46,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:46,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:46,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:46,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:46,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:46,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:46,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:46,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:46,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:46,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:46,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:46,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:46,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:46,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:46,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:46,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:46,071 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:46,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:46,082 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:46,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:46,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037079272] [2021-03-26 05:19:46,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:46,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:19:46,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123391669] [2021-03-26 05:19:46,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:19:46,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:46,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:19:46,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:19:46,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:46,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 616 transitions, 18124 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:46,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:46,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:46,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:46,687 INFO L129 PetriNetUnfolder]: 591/1453 cut-off events. [2021-03-26 05:19:46,687 INFO L130 PetriNetUnfolder]: For 77311/77317 co-relation queries the response was YES. [2021-03-26 05:19:46,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16531 conditions, 1453 events. 591/1453 cut-off events. For 77311/77317 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10538 event pairs, 7 based on Foata normal form. 7/1253 useless extension candidates. Maximal degree in co-relation 16288. Up to 748 conditions per place. [2021-03-26 05:19:46,715 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 471 selfloop transitions, 128 changer transitions 6/623 dead transitions. [2021-03-26 05:19:46,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 623 transitions, 19478 flow [2021-03-26 05:19:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:19:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:19:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 501 transitions. [2021-03-26 05:19:46,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42493638676844786 [2021-03-26 05:19:46,717 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 501 transitions. [2021-03-26 05:19:46,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 501 transitions. [2021-03-26 05:19:46,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:46,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 501 transitions. [2021-03-26 05:19:46,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 55.666666666666664) internal successors, (501), 9 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:46,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:46,718 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:46,718 INFO L185 Difference]: Start difference. First operand has 540 places, 616 transitions, 18124 flow. Second operand 9 states and 501 transitions. [2021-03-26 05:19:46,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 623 transitions, 19478 flow [2021-03-26 05:19:47,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 623 transitions, 19338 flow, removed 21 selfloop flow, removed 8 redundant places. [2021-03-26 05:19:47,471 INFO L241 Difference]: Finished difference. Result has 542 places, 611 transitions, 18309 flow [2021-03-26 05:19:47,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17984, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=18309, PETRI_PLACES=542, PETRI_TRANSITIONS=611} [2021-03-26 05:19:47,472 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 489 predicate places. [2021-03-26 05:19:47,472 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:47,472 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 542 places, 611 transitions, 18309 flow [2021-03-26 05:19:47,472 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 542 places, 611 transitions, 18309 flow [2021-03-26 05:19:47,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 540 places, 611 transitions, 18309 flow [2021-03-26 05:19:47,734 INFO L129 PetriNetUnfolder]: 527/1350 cut-off events. [2021-03-26 05:19:47,734 INFO L130 PetriNetUnfolder]: For 68621/68655 co-relation queries the response was YES. [2021-03-26 05:19:47,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14748 conditions, 1350 events. 527/1350 cut-off events. For 68621/68655 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10010 event pairs, 6 based on Foata normal form. 8/1154 useless extension candidates. Maximal degree in co-relation 14507. Up to 298 conditions per place. [2021-03-26 05:19:47,773 INFO L142 LiptonReduction]: Number of co-enabled transitions 2150 [2021-03-26 05:19:47,815 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:47,815 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:47,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 343 [2021-03-26 05:19:47,815 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 611 transitions, 18309 flow [2021-03-26 05:19:47,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:47,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:47,815 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:47,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-03-26 05:19:47,815 INFO L428 AbstractCegarLoop]: === Iteration 184 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:47,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:47,816 INFO L82 PathProgramCache]: Analyzing trace with hash 310501218, now seen corresponding path program 7 times [2021-03-26 05:19:47,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:47,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411885053] [2021-03-26 05:19:47,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:47,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:47,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:47,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:47,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:47,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:47,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:47,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:47,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:47,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:47,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:47,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:47,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:47,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:47,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:47,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:47,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:47,892 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:47,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:47,900 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:47,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:47,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411885053] [2021-03-26 05:19:47,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:47,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:19:47,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015636298] [2021-03-26 05:19:47,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:19:47,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:47,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:19:47,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:19:47,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:47,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 611 transitions, 18309 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:47,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:47,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:47,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:48,528 INFO L129 PetriNetUnfolder]: 596/1466 cut-off events. [2021-03-26 05:19:48,528 INFO L130 PetriNetUnfolder]: For 81052/81064 co-relation queries the response was YES. [2021-03-26 05:19:48,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16950 conditions, 1466 events. 596/1466 cut-off events. For 81052/81064 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10629 event pairs, 3 based on Foata normal form. 10/1266 useless extension candidates. Maximal degree in co-relation 16705. Up to 817 conditions per place. [2021-03-26 05:19:48,558 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 566 selfloop transitions, 40 changer transitions 0/624 dead transitions. [2021-03-26 05:19:48,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 624 transitions, 20181 flow [2021-03-26 05:19:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:19:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:19:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 585 transitions. [2021-03-26 05:19:48,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4059680777238029 [2021-03-26 05:19:48,559 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 585 transitions. [2021-03-26 05:19:48,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 585 transitions. [2021-03-26 05:19:48,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:48,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 585 transitions. [2021-03-26 05:19:48,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.18181818181818) internal successors, (585), 11 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:48,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:48,561 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:48,561 INFO L185 Difference]: Start difference. First operand has 540 places, 611 transitions, 18309 flow. Second operand 11 states and 585 transitions. [2021-03-26 05:19:48,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 624 transitions, 20181 flow [2021-03-26 05:19:49,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 624 transitions, 19681 flow, removed 29 selfloop flow, removed 14 redundant places. [2021-03-26 05:19:49,396 INFO L241 Difference]: Finished difference. Result has 538 places, 619 transitions, 18459 flow [2021-03-26 05:19:49,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17828, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18459, PETRI_PLACES=538, PETRI_TRANSITIONS=619} [2021-03-26 05:19:49,397 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 485 predicate places. [2021-03-26 05:19:49,397 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:49,397 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 538 places, 619 transitions, 18459 flow [2021-03-26 05:19:49,397 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 538 places, 619 transitions, 18459 flow [2021-03-26 05:19:49,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 538 places, 619 transitions, 18459 flow [2021-03-26 05:19:49,645 INFO L129 PetriNetUnfolder]: 534/1376 cut-off events. [2021-03-26 05:19:49,645 INFO L130 PetriNetUnfolder]: For 72629/72663 co-relation queries the response was YES. [2021-03-26 05:19:49,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14806 conditions, 1376 events. 534/1376 cut-off events. For 72629/72663 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10275 event pairs, 4 based on Foata normal form. 8/1175 useless extension candidates. Maximal degree in co-relation 14567. Up to 307 conditions per place. [2021-03-26 05:19:49,683 INFO L142 LiptonReduction]: Number of co-enabled transitions 2198 [2021-03-26 05:19:49,727 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:49,727 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:49,727 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-03-26 05:19:49,727 INFO L480 AbstractCegarLoop]: Abstraction has has 538 places, 619 transitions, 18459 flow [2021-03-26 05:19:49,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:49,727 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:49,727 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:49,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-03-26 05:19:49,727 INFO L428 AbstractCegarLoop]: === Iteration 185 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:49,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:49,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1735825052, now seen corresponding path program 8 times [2021-03-26 05:19:49,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:49,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442349520] [2021-03-26 05:19:49,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:49,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:49,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:49,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:49,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:49,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:49,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:49,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:49,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:49,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:49,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:49,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:49,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:49,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:49,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:49,808 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:49,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:49,822 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:49,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:49,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442349520] [2021-03-26 05:19:49,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:49,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:49,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499231008] [2021-03-26 05:19:49,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:49,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:49,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:49,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:49,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:49,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 619 transitions, 18459 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:49,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:49,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:49,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:50,536 INFO L129 PetriNetUnfolder]: 608/1505 cut-off events. [2021-03-26 05:19:50,536 INFO L130 PetriNetUnfolder]: For 82114/82120 co-relation queries the response was YES. [2021-03-26 05:19:50,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16859 conditions, 1505 events. 608/1505 cut-off events. For 82114/82120 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11088 event pairs, 2 based on Foata normal form. 7/1289 useless extension candidates. Maximal degree in co-relation 16616. Up to 753 conditions per place. [2021-03-26 05:19:50,565 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 491 selfloop transitions, 124 changer transitions 0/633 dead transitions. [2021-03-26 05:19:50,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 633 transitions, 20077 flow [2021-03-26 05:19:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 652 transitions. [2021-03-26 05:19:50,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41475826972010177 [2021-03-26 05:19:50,566 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 652 transitions. [2021-03-26 05:19:50,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 652 transitions. [2021-03-26 05:19:50,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:50,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 652 transitions. [2021-03-26 05:19:50,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.333333333333336) internal successors, (652), 12 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:50,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:50,567 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:50,567 INFO L185 Difference]: Start difference. First operand has 538 places, 619 transitions, 18459 flow. Second operand 12 states and 652 transitions. [2021-03-26 05:19:50,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 633 transitions, 20077 flow [2021-03-26 05:19:51,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 633 transitions, 19447 flow, removed 300 selfloop flow, removed 6 redundant places. [2021-03-26 05:19:51,333 INFO L241 Difference]: Finished difference. Result has 546 places, 622 transitions, 18394 flow [2021-03-26 05:19:51,333 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17871, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=619, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18394, PETRI_PLACES=546, PETRI_TRANSITIONS=622} [2021-03-26 05:19:51,333 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 493 predicate places. [2021-03-26 05:19:51,333 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:51,333 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 622 transitions, 18394 flow [2021-03-26 05:19:51,333 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 622 transitions, 18394 flow [2021-03-26 05:19:51,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 546 places, 622 transitions, 18394 flow [2021-03-26 05:19:51,584 INFO L129 PetriNetUnfolder]: 536/1392 cut-off events. [2021-03-26 05:19:51,584 INFO L130 PetriNetUnfolder]: For 72006/72043 co-relation queries the response was YES. [2021-03-26 05:19:51,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14922 conditions, 1392 events. 536/1392 cut-off events. For 72006/72043 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10497 event pairs, 10 based on Foata normal form. 8/1187 useless extension candidates. Maximal degree in co-relation 14680. Up to 301 conditions per place. [2021-03-26 05:19:51,623 INFO L142 LiptonReduction]: Number of co-enabled transitions 2228 [2021-03-26 05:19:51,665 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:51,666 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:51,666 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 333 [2021-03-26 05:19:51,666 INFO L480 AbstractCegarLoop]: Abstraction has has 546 places, 622 transitions, 18394 flow [2021-03-26 05:19:51,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:51,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:51,666 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:51,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-03-26 05:19:51,666 INFO L428 AbstractCegarLoop]: === Iteration 186 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:51,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:51,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1824327626, now seen corresponding path program 9 times [2021-03-26 05:19:51,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:51,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789638308] [2021-03-26 05:19:51,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:51,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:51,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:51,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:51,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:51,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:51,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:51,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:51,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:51,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:51,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:51,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:51,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:51,745 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:51,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:51,758 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:19:51,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:51,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789638308] [2021-03-26 05:19:51,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:51,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:51,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367759486] [2021-03-26 05:19:51,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:51,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:51,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:51,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:51,762 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:51,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 622 transitions, 18394 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:51,762 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:51,762 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:51,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:52,440 INFO L129 PetriNetUnfolder]: 611/1517 cut-off events. [2021-03-26 05:19:52,441 INFO L130 PetriNetUnfolder]: For 81203/81209 co-relation queries the response was YES. [2021-03-26 05:19:52,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16838 conditions, 1517 events. 611/1517 cut-off events. For 81203/81209 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 11217 event pairs, 2 based on Foata normal form. 7/1297 useless extension candidates. Maximal degree in co-relation 16592. Up to 817 conditions per place. [2021-03-26 05:19:52,468 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 549 selfloop transitions, 51 changer transitions 9/627 dead transitions. [2021-03-26 05:19:52,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 627 transitions, 19696 flow [2021-03-26 05:19:52,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:19:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:19:52,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 587 transitions. [2021-03-26 05:19:52,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4073560027758501 [2021-03-26 05:19:52,470 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 587 transitions. [2021-03-26 05:19:52,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 587 transitions. [2021-03-26 05:19:52,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:52,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 587 transitions. [2021-03-26 05:19:52,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.36363636363637) internal successors, (587), 11 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:52,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:52,471 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:52,471 INFO L185 Difference]: Start difference. First operand has 546 places, 622 transitions, 18394 flow. Second operand 11 states and 587 transitions. [2021-03-26 05:19:52,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 627 transitions, 19696 flow [2021-03-26 05:19:53,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 627 transitions, 19488 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-03-26 05:19:53,258 INFO L241 Difference]: Finished difference. Result has 549 places, 614 transitions, 18038 flow [2021-03-26 05:19:53,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=18186, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=571, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18038, PETRI_PLACES=549, PETRI_TRANSITIONS=614} [2021-03-26 05:19:53,258 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 496 predicate places. [2021-03-26 05:19:53,258 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:53,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 549 places, 614 transitions, 18038 flow [2021-03-26 05:19:53,258 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 549 places, 614 transitions, 18038 flow [2021-03-26 05:19:53,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 547 places, 614 transitions, 18038 flow [2021-03-26 05:19:53,510 INFO L129 PetriNetUnfolder]: 538/1379 cut-off events. [2021-03-26 05:19:53,510 INFO L130 PetriNetUnfolder]: For 76451/76470 co-relation queries the response was YES. [2021-03-26 05:19:53,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14814 conditions, 1379 events. 538/1379 cut-off events. For 76451/76470 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 10406 event pairs, 8 based on Foata normal form. 7/1178 useless extension candidates. Maximal degree in co-relation 14571. Up to 304 conditions per place. [2021-03-26 05:19:53,549 INFO L142 LiptonReduction]: Number of co-enabled transitions 2164 [2021-03-26 05:19:53,591 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:53,591 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:53,591 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 333 [2021-03-26 05:19:53,591 INFO L480 AbstractCegarLoop]: Abstraction has has 547 places, 614 transitions, 18038 flow [2021-03-26 05:19:53,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:53,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:53,591 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:53,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-03-26 05:19:53,591 INFO L428 AbstractCegarLoop]: === Iteration 187 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:53,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:53,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1372027164, now seen corresponding path program 10 times [2021-03-26 05:19:53,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:53,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680694811] [2021-03-26 05:19:53,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:53,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:53,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:53,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:53,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:53,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:53,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:53,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:53,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:53,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:53,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:53,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:53,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:53,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:53,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:53,664 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:19:53,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:19:53,677 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:53,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:53,692 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:19:53,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:53,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680694811] [2021-03-26 05:19:53,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:53,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:53,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756837759] [2021-03-26 05:19:53,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:53,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:53,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:53,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:53,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:53,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 614 transitions, 18038 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:53,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:53,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:53,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:54,374 INFO L129 PetriNetUnfolder]: 603/1501 cut-off events. [2021-03-26 05:19:54,375 INFO L130 PetriNetUnfolder]: For 80452/80458 co-relation queries the response was YES. [2021-03-26 05:19:54,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16663 conditions, 1501 events. 603/1501 cut-off events. For 80452/80458 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 11063 event pairs, 3 based on Foata normal form. 7/1285 useless extension candidates. Maximal degree in co-relation 16416. Up to 777 conditions per place. [2021-03-26 05:19:54,404 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 519 selfloop transitions, 83 changer transitions 3/623 dead transitions. [2021-03-26 05:19:54,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 623 transitions, 19418 flow [2021-03-26 05:19:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 645 transitions. [2021-03-26 05:19:54,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41030534351145037 [2021-03-26 05:19:54,405 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 645 transitions. [2021-03-26 05:19:54,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 645 transitions. [2021-03-26 05:19:54,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:54,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 645 transitions. [2021-03-26 05:19:54,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.75) internal successors, (645), 12 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:54,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:54,406 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:54,406 INFO L185 Difference]: Start difference. First operand has 547 places, 614 transitions, 18038 flow. Second operand 12 states and 645 transitions. [2021-03-26 05:19:54,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 623 transitions, 19418 flow [2021-03-26 05:19:55,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 623 transitions, 18914 flow, removed 64 selfloop flow, removed 17 redundant places. [2021-03-26 05:19:55,170 INFO L241 Difference]: Finished difference. Result has 543 places, 612 transitions, 17674 flow [2021-03-26 05:19:55,170 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17540, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17674, PETRI_PLACES=543, PETRI_TRANSITIONS=612} [2021-03-26 05:19:55,170 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 490 predicate places. [2021-03-26 05:19:55,170 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:55,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 543 places, 612 transitions, 17674 flow [2021-03-26 05:19:55,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 543 places, 612 transitions, 17674 flow [2021-03-26 05:19:55,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 612 transitions, 17674 flow [2021-03-26 05:19:55,456 INFO L129 PetriNetUnfolder]: 536/1393 cut-off events. [2021-03-26 05:19:55,456 INFO L130 PetriNetUnfolder]: For 68292/68325 co-relation queries the response was YES. [2021-03-26 05:19:55,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14594 conditions, 1393 events. 536/1393 cut-off events. For 68292/68325 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10458 event pairs, 9 based on Foata normal form. 7/1186 useless extension candidates. Maximal degree in co-relation 14357. Up to 301 conditions per place. [2021-03-26 05:19:55,490 INFO L142 LiptonReduction]: Number of co-enabled transitions 2164 [2021-03-26 05:19:55,530 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:55,530 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:55,530 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 360 [2021-03-26 05:19:55,530 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 612 transitions, 17674 flow [2021-03-26 05:19:55,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:55,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:55,530 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:55,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-03-26 05:19:55,530 INFO L428 AbstractCegarLoop]: === Iteration 188 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:55,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:55,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1614174966, now seen corresponding path program 11 times [2021-03-26 05:19:55,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:55,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845081637] [2021-03-26 05:19:55,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:55,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:55,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:55,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:55,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:55,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:55,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:55,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:55,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:55,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:55,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:55,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:55,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:55,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:55,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:55,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:55,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:55,607 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:55,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:55,621 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:55,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:55,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845081637] [2021-03-26 05:19:55,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:55,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:55,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189260855] [2021-03-26 05:19:55,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:55,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:55,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:55,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:55,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:55,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 612 transitions, 17674 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:55,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:55,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:55,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:56,285 INFO L129 PetriNetUnfolder]: 590/1462 cut-off events. [2021-03-26 05:19:56,285 INFO L130 PetriNetUnfolder]: For 74249/74259 co-relation queries the response was YES. [2021-03-26 05:19:56,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16176 conditions, 1462 events. 590/1462 cut-off events. For 74249/74259 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10608 event pairs, 11 based on Foata normal form. 11/1263 useless extension candidates. Maximal degree in co-relation 15935. Up to 787 conditions per place. [2021-03-26 05:19:56,314 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 538 selfloop transitions, 60 changer transitions 5/621 dead transitions. [2021-03-26 05:19:56,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 621 transitions, 19056 flow [2021-03-26 05:19:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:19:56,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:19:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 695 transitions. [2021-03-26 05:19:56,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40810334703464474 [2021-03-26 05:19:56,316 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 695 transitions. [2021-03-26 05:19:56,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 695 transitions. [2021-03-26 05:19:56,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:56,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 695 transitions. [2021-03-26 05:19:56,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.46153846153846) internal successors, (695), 13 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:56,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:56,317 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:56,317 INFO L185 Difference]: Start difference. First operand has 543 places, 612 transitions, 17674 flow. Second operand 13 states and 695 transitions. [2021-03-26 05:19:56,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 621 transitions, 19056 flow [2021-03-26 05:19:56,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 621 transitions, 18937 flow, removed 1 selfloop flow, removed 10 redundant places. [2021-03-26 05:19:56,958 INFO L241 Difference]: Finished difference. Result has 547 places, 609 transitions, 17575 flow [2021-03-26 05:19:56,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17555, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=552, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=17575, PETRI_PLACES=547, PETRI_TRANSITIONS=609} [2021-03-26 05:19:56,958 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 494 predicate places. [2021-03-26 05:19:56,958 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:56,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 547 places, 609 transitions, 17575 flow [2021-03-26 05:19:56,958 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 547 places, 609 transitions, 17575 flow [2021-03-26 05:19:56,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 545 places, 609 transitions, 17575 flow [2021-03-26 05:19:57,204 INFO L129 PetriNetUnfolder]: 531/1370 cut-off events. [2021-03-26 05:19:57,204 INFO L130 PetriNetUnfolder]: For 69350/69383 co-relation queries the response was YES. [2021-03-26 05:19:57,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14415 conditions, 1370 events. 531/1370 cut-off events. For 69350/69383 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10193 event pairs, 6 based on Foata normal form. 7/1169 useless extension candidates. Maximal degree in co-relation 14177. Up to 298 conditions per place. [2021-03-26 05:19:57,243 INFO L142 LiptonReduction]: Number of co-enabled transitions 2138 [2021-03-26 05:19:57,284 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:57,284 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:57,285 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 327 [2021-03-26 05:19:57,285 INFO L480 AbstractCegarLoop]: Abstraction has has 545 places, 609 transitions, 17575 flow [2021-03-26 05:19:57,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:57,285 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:57,285 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:57,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-03-26 05:19:57,285 INFO L428 AbstractCegarLoop]: === Iteration 189 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:57,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:57,285 INFO L82 PathProgramCache]: Analyzing trace with hash -381413326, now seen corresponding path program 12 times [2021-03-26 05:19:57,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:57,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723190837] [2021-03-26 05:19:57,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:57,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:57,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:57,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:57,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:57,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:57,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:57,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:57,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:57,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:57,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:57,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:19:57,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:57,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:57,377 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:19:57,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:57,391 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:19:57,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:57,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723190837] [2021-03-26 05:19:57,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:57,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:57,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330924055] [2021-03-26 05:19:57,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:57,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:57,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:57,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:57,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:57,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 609 transitions, 17575 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:57,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:57,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:57,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:58,054 INFO L129 PetriNetUnfolder]: 592/1468 cut-off events. [2021-03-26 05:19:58,055 INFO L130 PetriNetUnfolder]: For 75451/75461 co-relation queries the response was YES. [2021-03-26 05:19:58,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16227 conditions, 1468 events. 592/1468 cut-off events. For 75451/75461 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10674 event pairs, 11 based on Foata normal form. 8/1263 useless extension candidates. Maximal degree in co-relation 15985. Up to 798 conditions per place. [2021-03-26 05:19:58,087 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 549 selfloop transitions, 48 changer transitions 2/617 dead transitions. [2021-03-26 05:19:58,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 617 transitions, 19046 flow [2021-03-26 05:19:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:58,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 637 transitions. [2021-03-26 05:19:58,088 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40521628498727735 [2021-03-26 05:19:58,088 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 637 transitions. [2021-03-26 05:19:58,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 637 transitions. [2021-03-26 05:19:58,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:58,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 637 transitions. [2021-03-26 05:19:58,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.083333333333336) internal successors, (637), 12 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:58,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:58,089 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:58,090 INFO L185 Difference]: Start difference. First operand has 545 places, 609 transitions, 17575 flow. Second operand 12 states and 637 transitions. [2021-03-26 05:19:58,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 617 transitions, 19046 flow [2021-03-26 05:19:58,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 617 transitions, 18823 flow, removed 10 selfloop flow, removed 16 redundant places. [2021-03-26 05:19:58,678 INFO L241 Difference]: Finished difference. Result has 543 places, 609 transitions, 17534 flow [2021-03-26 05:19:58,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17364, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17534, PETRI_PLACES=543, PETRI_TRANSITIONS=609} [2021-03-26 05:19:58,678 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 490 predicate places. [2021-03-26 05:19:58,678 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:19:58,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 543 places, 609 transitions, 17534 flow [2021-03-26 05:19:58,678 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 543 places, 609 transitions, 17534 flow [2021-03-26 05:19:58,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 609 transitions, 17534 flow [2021-03-26 05:19:58,933 INFO L129 PetriNetUnfolder]: 543/1406 cut-off events. [2021-03-26 05:19:58,933 INFO L130 PetriNetUnfolder]: For 70350/70368 co-relation queries the response was YES. [2021-03-26 05:19:58,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14812 conditions, 1406 events. 543/1406 cut-off events. For 70350/70368 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10495 event pairs, 6 based on Foata normal form. 4/1197 useless extension candidates. Maximal degree in co-relation 14575. Up to 303 conditions per place. [2021-03-26 05:19:58,972 INFO L142 LiptonReduction]: Number of co-enabled transitions 2152 [2021-03-26 05:19:59,015 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:19:59,015 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:19:59,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 337 [2021-03-26 05:19:59,016 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 609 transitions, 17534 flow [2021-03-26 05:19:59,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:59,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:19:59,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:19:59,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-03-26 05:19:59,016 INFO L428 AbstractCegarLoop]: === Iteration 190 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:19:59,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:19:59,016 INFO L82 PathProgramCache]: Analyzing trace with hash 174553486, now seen corresponding path program 13 times [2021-03-26 05:19:59,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:19:59,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465208024] [2021-03-26 05:19:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:19:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:19:59,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:59,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:19:59,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:59,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:19:59,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:19:59,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:59,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:59,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:59,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:59,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:59,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:59,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:19:59,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:19:59,121 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:19:59,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:19:59,138 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:19:59,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:19:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:19:59,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465208024] [2021-03-26 05:19:59,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:19:59,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:19:59,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917657830] [2021-03-26 05:19:59,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:19:59,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:19:59,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:19:59,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:19:59,142 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:19:59,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 609 transitions, 17534 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:59,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:19:59,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:19:59,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:19:59,908 INFO L129 PetriNetUnfolder]: 584/1447 cut-off events. [2021-03-26 05:19:59,909 INFO L130 PetriNetUnfolder]: For 74334/74344 co-relation queries the response was YES. [2021-03-26 05:19:59,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16115 conditions, 1447 events. 584/1447 cut-off events. For 74334/74344 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10482 event pairs, 11 based on Foata normal form. 11/1253 useless extension candidates. Maximal degree in co-relation 15874. Up to 789 conditions per place. [2021-03-26 05:19:59,936 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 525 selfloop transitions, 66 changer transitions 7/616 dead transitions. [2021-03-26 05:19:59,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 616 transitions, 18833 flow [2021-03-26 05:19:59,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:19:59,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:19:59,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 643 transitions. [2021-03-26 05:19:59,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40903307888040713 [2021-03-26 05:19:59,937 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 643 transitions. [2021-03-26 05:19:59,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 643 transitions. [2021-03-26 05:19:59,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:19:59,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 643 transitions. [2021-03-26 05:19:59,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.583333333333336) internal successors, (643), 12 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:59,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:59,938 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:19:59,938 INFO L185 Difference]: Start difference. First operand has 543 places, 609 transitions, 17534 flow. Second operand 12 states and 643 transitions. [2021-03-26 05:19:59,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 616 transitions, 18833 flow [2021-03-26 05:20:00,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 616 transitions, 18680 flow, removed 32 selfloop flow, removed 10 redundant places. [2021-03-26 05:20:00,579 INFO L241 Difference]: Finished difference. Result has 546 places, 604 transitions, 17355 flow [2021-03-26 05:20:00,579 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17381, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17355, PETRI_PLACES=546, PETRI_TRANSITIONS=604} [2021-03-26 05:20:00,579 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 493 predicate places. [2021-03-26 05:20:00,579 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:00,579 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 604 transitions, 17355 flow [2021-03-26 05:20:00,579 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 604 transitions, 17355 flow [2021-03-26 05:20:00,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 545 places, 604 transitions, 17355 flow [2021-03-26 05:20:00,819 INFO L129 PetriNetUnfolder]: 523/1350 cut-off events. [2021-03-26 05:20:00,820 INFO L130 PetriNetUnfolder]: For 65899/65933 co-relation queries the response was YES. [2021-03-26 05:20:00,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14168 conditions, 1350 events. 523/1350 cut-off events. For 65899/65933 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 10027 event pairs, 6 based on Foata normal form. 8/1153 useless extension candidates. Maximal degree in co-relation 13930. Up to 293 conditions per place. [2021-03-26 05:20:00,857 INFO L142 LiptonReduction]: Number of co-enabled transitions 2098 [2021-03-26 05:20:00,897 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:00,897 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:00,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 318 [2021-03-26 05:20:00,897 INFO L480 AbstractCegarLoop]: Abstraction has has 545 places, 604 transitions, 17355 flow [2021-03-26 05:20:00,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:00,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:00,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:00,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-03-26 05:20:00,898 INFO L428 AbstractCegarLoop]: === Iteration 191 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:00,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:00,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1561455280, now seen corresponding path program 14 times [2021-03-26 05:20:00,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:00,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835478497] [2021-03-26 05:20:00,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:00,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:00,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:00,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:00,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:00,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:00,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:00,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:00,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:00,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:00,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:00,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:00,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:00,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:00,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:00,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:00,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:00,976 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:00,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:00,989 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:00,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835478497] [2021-03-26 05:20:00,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:00,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:00,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279526693] [2021-03-26 05:20:00,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:00,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:00,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:00,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:00,992 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:00,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 604 transitions, 17355 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:00,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:00,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:00,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:01,709 INFO L129 PetriNetUnfolder]: 583/1438 cut-off events. [2021-03-26 05:20:01,709 INFO L130 PetriNetUnfolder]: For 74565/74575 co-relation queries the response was YES. [2021-03-26 05:20:01,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16130 conditions, 1438 events. 583/1438 cut-off events. For 74565/74575 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10387 event pairs, 11 based on Foata normal form. 11/1247 useless extension candidates. Maximal degree in co-relation 15888. Up to 775 conditions per place. [2021-03-26 05:20:01,736 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 513 selfloop transitions, 82 changer transitions 4/617 dead transitions. [2021-03-26 05:20:01,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 617 transitions, 18899 flow [2021-03-26 05:20:01,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 749 transitions. [2021-03-26 05:20:01,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4083969465648855 [2021-03-26 05:20:01,737 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 749 transitions. [2021-03-26 05:20:01,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 749 transitions. [2021-03-26 05:20:01,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:01,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 749 transitions. [2021-03-26 05:20:01,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.5) internal successors, (749), 14 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:01,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:01,738 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:01,738 INFO L185 Difference]: Start difference. First operand has 545 places, 604 transitions, 17355 flow. Second operand 14 states and 749 transitions. [2021-03-26 05:20:01,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 617 transitions, 18899 flow [2021-03-26 05:20:02,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 617 transitions, 18588 flow, removed 17 selfloop flow, removed 19 redundant places. [2021-03-26 05:20:02,265 INFO L241 Difference]: Finished difference. Result has 542 places, 606 transitions, 17331 flow [2021-03-26 05:20:02,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17054, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17331, PETRI_PLACES=542, PETRI_TRANSITIONS=606} [2021-03-26 05:20:02,265 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 489 predicate places. [2021-03-26 05:20:02,265 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:02,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 542 places, 606 transitions, 17331 flow [2021-03-26 05:20:02,265 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 542 places, 606 transitions, 17331 flow [2021-03-26 05:20:02,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 541 places, 606 transitions, 17331 flow [2021-03-26 05:20:02,512 INFO L129 PetriNetUnfolder]: 532/1370 cut-off events. [2021-03-26 05:20:02,512 INFO L130 PetriNetUnfolder]: For 69326/69357 co-relation queries the response was YES. [2021-03-26 05:20:02,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14559 conditions, 1370 events. 532/1370 cut-off events. For 69326/69357 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10194 event pairs, 6 based on Foata normal form. 6/1174 useless extension candidates. Maximal degree in co-relation 14324. Up to 305 conditions per place. [2021-03-26 05:20:02,553 INFO L142 LiptonReduction]: Number of co-enabled transitions 2098 [2021-03-26 05:20:02,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:02,594 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:02,594 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 329 [2021-03-26 05:20:02,595 INFO L480 AbstractCegarLoop]: Abstraction has has 541 places, 606 transitions, 17331 flow [2021-03-26 05:20:02,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:02,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:02,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:02,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-03-26 05:20:02,595 INFO L428 AbstractCegarLoop]: === Iteration 192 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:02,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:02,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1684858818, now seen corresponding path program 15 times [2021-03-26 05:20:02,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:02,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902212430] [2021-03-26 05:20:02,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:02,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:02,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:02,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:02,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:02,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:02,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:02,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:02,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:02,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:02,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:02,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:02,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:02,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:02,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:02,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:02,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:02,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:02,690 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:02,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:02,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902212430] [2021-03-26 05:20:02,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:02,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:02,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275309571] [2021-03-26 05:20:02,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:02,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:02,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:02,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:02,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:02,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 606 transitions, 17331 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:02,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:02,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:02,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:03,435 INFO L129 PetriNetUnfolder]: 590/1455 cut-off events. [2021-03-26 05:20:03,435 INFO L130 PetriNetUnfolder]: For 73439/73445 co-relation queries the response was YES. [2021-03-26 05:20:03,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16188 conditions, 1455 events. 590/1455 cut-off events. For 73439/73445 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10556 event pairs, 3 based on Foata normal form. 8/1256 useless extension candidates. Maximal degree in co-relation 15949. Up to 769 conditions per place. [2021-03-26 05:20:03,464 INFO L132 encePairwiseOnDemand]: 116/131 looper letters, 505 selfloop transitions, 98 changer transitions 0/621 dead transitions. [2021-03-26 05:20:03,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 621 transitions, 19181 flow [2021-03-26 05:20:03,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:03,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 749 transitions. [2021-03-26 05:20:03,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4083969465648855 [2021-03-26 05:20:03,466 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 749 transitions. [2021-03-26 05:20:03,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 749 transitions. [2021-03-26 05:20:03,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:03,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 749 transitions. [2021-03-26 05:20:03,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.5) internal successors, (749), 14 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:03,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:03,467 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:03,467 INFO L185 Difference]: Start difference. First operand has 541 places, 606 transitions, 17331 flow. Second operand 14 states and 749 transitions. [2021-03-26 05:20:03,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 621 transitions, 19181 flow [2021-03-26 05:20:04,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 621 transitions, 19027 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-26 05:20:04,153 INFO L241 Difference]: Finished difference. Result has 542 places, 615 transitions, 18003 flow [2021-03-26 05:20:04,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17177, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18003, PETRI_PLACES=542, PETRI_TRANSITIONS=615} [2021-03-26 05:20:04,154 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 489 predicate places. [2021-03-26 05:20:04,154 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:04,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 542 places, 615 transitions, 18003 flow [2021-03-26 05:20:04,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 542 places, 615 transitions, 18003 flow [2021-03-26 05:20:04,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 542 places, 615 transitions, 18003 flow [2021-03-26 05:20:04,398 INFO L129 PetriNetUnfolder]: 533/1367 cut-off events. [2021-03-26 05:20:04,398 INFO L130 PetriNetUnfolder]: For 71097/71117 co-relation queries the response was YES. [2021-03-26 05:20:04,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14401 conditions, 1367 events. 533/1367 cut-off events. For 71097/71117 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10248 event pairs, 4 based on Foata normal form. 8/1167 useless extension candidates. Maximal degree in co-relation 14167. Up to 305 conditions per place. [2021-03-26 05:20:04,481 INFO L142 LiptonReduction]: Number of co-enabled transitions 2176 [2021-03-26 05:20:04,521 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:04,521 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:04,521 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 367 [2021-03-26 05:20:04,521 INFO L480 AbstractCegarLoop]: Abstraction has has 542 places, 615 transitions, 18003 flow [2021-03-26 05:20:04,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:04,522 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:04,522 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:04,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-03-26 05:20:04,522 INFO L428 AbstractCegarLoop]: === Iteration 193 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:04,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:04,522 INFO L82 PathProgramCache]: Analyzing trace with hash 414363864, now seen corresponding path program 16 times [2021-03-26 05:20:04,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:04,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366402430] [2021-03-26 05:20:04,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:04,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:04,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:04,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:04,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:04,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:04,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:04,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:04,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:04,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:04,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:04,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:04,600 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:04,614 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:04,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366402430] [2021-03-26 05:20:04,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:04,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:04,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261371445] [2021-03-26 05:20:04,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:04,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:04,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:04,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:04,617 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:04,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 615 transitions, 18003 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:04,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:04,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:04,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:05,347 INFO L129 PetriNetUnfolder]: 601/1492 cut-off events. [2021-03-26 05:20:05,347 INFO L130 PetriNetUnfolder]: For 77956/77960 co-relation queries the response was YES. [2021-03-26 05:20:05,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16399 conditions, 1492 events. 601/1492 cut-off events. For 77956/77960 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10899 event pairs, 3 based on Foata normal form. 6/1279 useless extension candidates. Maximal degree in co-relation 16161. Up to 776 conditions per place. [2021-03-26 05:20:05,376 INFO L132 encePairwiseOnDemand]: 116/131 looper letters, 517 selfloop transitions, 88 changer transitions 3/626 dead transitions. [2021-03-26 05:20:05,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 626 transitions, 19503 flow [2021-03-26 05:20:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 746 transitions. [2021-03-26 05:20:05,377 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40676117775354415 [2021-03-26 05:20:05,378 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 746 transitions. [2021-03-26 05:20:05,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 746 transitions. [2021-03-26 05:20:05,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:05,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 746 transitions. [2021-03-26 05:20:05,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.285714285714285) internal successors, (746), 14 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:05,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:05,379 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:05,379 INFO L185 Difference]: Start difference. First operand has 542 places, 615 transitions, 18003 flow. Second operand 14 states and 746 transitions. [2021-03-26 05:20:05,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 626 transitions, 19503 flow [2021-03-26 05:20:06,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 626 transitions, 18926 flow, removed 271 selfloop flow, removed 7 redundant places. [2021-03-26 05:20:06,041 INFO L241 Difference]: Finished difference. Result has 550 places, 616 transitions, 17800 flow [2021-03-26 05:20:06,042 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17430, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17800, PETRI_PLACES=550, PETRI_TRANSITIONS=616} [2021-03-26 05:20:06,042 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 497 predicate places. [2021-03-26 05:20:06,042 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:06,042 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 550 places, 616 transitions, 17800 flow [2021-03-26 05:20:06,042 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 550 places, 616 transitions, 17800 flow [2021-03-26 05:20:06,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 550 places, 616 transitions, 17800 flow [2021-03-26 05:20:06,324 INFO L129 PetriNetUnfolder]: 547/1401 cut-off events. [2021-03-26 05:20:06,324 INFO L130 PetriNetUnfolder]: For 73065/73083 co-relation queries the response was YES. [2021-03-26 05:20:06,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14627 conditions, 1401 events. 547/1401 cut-off events. For 73065/73083 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10557 event pairs, 7 based on Foata normal form. 7/1196 useless extension candidates. Maximal degree in co-relation 14388. Up to 300 conditions per place. [2021-03-26 05:20:06,363 INFO L142 LiptonReduction]: Number of co-enabled transitions 2196 [2021-03-26 05:20:06,405 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:06,406 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:06,406 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 364 [2021-03-26 05:20:06,406 INFO L480 AbstractCegarLoop]: Abstraction has has 550 places, 616 transitions, 17800 flow [2021-03-26 05:20:06,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:06,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:06,406 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:06,406 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-03-26 05:20:06,406 INFO L428 AbstractCegarLoop]: === Iteration 194 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:06,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:06,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1686096270, now seen corresponding path program 17 times [2021-03-26 05:20:06,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:06,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057643444] [2021-03-26 05:20:06,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:06,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:06,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:06,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:06,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:06,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:06,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:06,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:06,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:06,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:06,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:06,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:06,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:06,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:06,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:06,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:06,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:06,487 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:06,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:06,501 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:06,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:06,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057643444] [2021-03-26 05:20:06,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:06,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:06,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484615118] [2021-03-26 05:20:06,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:06,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:06,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:06,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:06,504 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:06,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 616 transitions, 17800 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:06,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:06,504 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:06,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:07,225 INFO L129 PetriNetUnfolder]: 594/1464 cut-off events. [2021-03-26 05:20:07,225 INFO L130 PetriNetUnfolder]: For 72066/72070 co-relation queries the response was YES. [2021-03-26 05:20:07,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16139 conditions, 1464 events. 594/1464 cut-off events. For 72066/72070 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10588 event pairs, 11 based on Foata normal form. 5/1258 useless extension candidates. Maximal degree in co-relation 15896. Up to 792 conditions per place. [2021-03-26 05:20:07,254 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 535 selfloop transitions, 60 changer transitions 12/625 dead transitions. [2021-03-26 05:20:07,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 625 transitions, 19248 flow [2021-03-26 05:20:07,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 742 transitions. [2021-03-26 05:20:07,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40458015267175573 [2021-03-26 05:20:07,255 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 742 transitions. [2021-03-26 05:20:07,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 742 transitions. [2021-03-26 05:20:07,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:07,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 742 transitions. [2021-03-26 05:20:07,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.0) internal successors, (742), 14 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:07,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:07,256 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:07,256 INFO L185 Difference]: Start difference. First operand has 550 places, 616 transitions, 17800 flow. Second operand 14 states and 742 transitions. [2021-03-26 05:20:07,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 625 transitions, 19248 flow [2021-03-26 05:20:07,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 625 transitions, 18923 flow, removed 103 selfloop flow, removed 10 redundant places. [2021-03-26 05:20:07,938 INFO L241 Difference]: Finished difference. Result has 556 places, 608 transitions, 17483 flow [2021-03-26 05:20:07,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17475, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17483, PETRI_PLACES=556, PETRI_TRANSITIONS=608} [2021-03-26 05:20:07,938 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 503 predicate places. [2021-03-26 05:20:07,938 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:07,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 556 places, 608 transitions, 17483 flow [2021-03-26 05:20:07,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 556 places, 608 transitions, 17483 flow [2021-03-26 05:20:07,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 555 places, 608 transitions, 17483 flow [2021-03-26 05:20:08,180 INFO L129 PetriNetUnfolder]: 529/1354 cut-off events. [2021-03-26 05:20:08,180 INFO L130 PetriNetUnfolder]: For 63895/63925 co-relation queries the response was YES. [2021-03-26 05:20:08,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14188 conditions, 1354 events. 529/1354 cut-off events. For 63895/63925 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10013 event pairs, 6 based on Foata normal form. 8/1156 useless extension candidates. Maximal degree in co-relation 13946. Up to 288 conditions per place. [2021-03-26 05:20:08,218 INFO L142 LiptonReduction]: Number of co-enabled transitions 2118 [2021-03-26 05:20:08,259 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:08,260 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:08,260 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 322 [2021-03-26 05:20:08,260 INFO L480 AbstractCegarLoop]: Abstraction has has 555 places, 608 transitions, 17483 flow [2021-03-26 05:20:08,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:08,260 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:08,260 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:08,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-03-26 05:20:08,260 INFO L428 AbstractCegarLoop]: === Iteration 195 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:08,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:08,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1480682902, now seen corresponding path program 18 times [2021-03-26 05:20:08,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:08,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084048340] [2021-03-26 05:20:08,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:08,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:08,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:08,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:08,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:08,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:08,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:08,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:08,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:08,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:08,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:08,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:08,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:08,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:08,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:08,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:08,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:08,358 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:08,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:08,375 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:08,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:08,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:08,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084048340] [2021-03-26 05:20:08,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:08,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:08,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576150913] [2021-03-26 05:20:08,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:08,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:08,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:08,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:08,379 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:08,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 608 transitions, 17483 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:08,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:08,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:08,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:09,114 INFO L129 PetriNetUnfolder]: 578/1410 cut-off events. [2021-03-26 05:20:09,114 INFO L130 PetriNetUnfolder]: For 67291/67303 co-relation queries the response was YES. [2021-03-26 05:20:09,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15780 conditions, 1410 events. 578/1410 cut-off events. For 67291/67303 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10055 event pairs, 3 based on Foata normal form. 13/1226 useless extension candidates. Maximal degree in co-relation 15534. Up to 768 conditions per place. [2021-03-26 05:20:09,142 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 513 selfloop transitions, 77 changer transitions 6/614 dead transitions. [2021-03-26 05:20:09,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 614 transitions, 18711 flow [2021-03-26 05:20:09,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:20:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:20:09,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 699 transitions. [2021-03-26 05:20:09,143 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41045214327657076 [2021-03-26 05:20:09,143 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 699 transitions. [2021-03-26 05:20:09,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 699 transitions. [2021-03-26 05:20:09,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:09,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 699 transitions. [2021-03-26 05:20:09,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.76923076923077) internal successors, (699), 13 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:09,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:09,144 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:09,144 INFO L185 Difference]: Start difference. First operand has 555 places, 608 transitions, 17483 flow. Second operand 13 states and 699 transitions. [2021-03-26 05:20:09,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 614 transitions, 18711 flow [2021-03-26 05:20:09,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 614 transitions, 18407 flow, removed 55 selfloop flow, removed 15 redundant places. [2021-03-26 05:20:09,802 INFO L241 Difference]: Finished difference. Result has 553 places, 602 transitions, 17073 flow [2021-03-26 05:20:09,803 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=17179, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=17073, PETRI_PLACES=553, PETRI_TRANSITIONS=602} [2021-03-26 05:20:09,803 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 500 predicate places. [2021-03-26 05:20:09,803 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:09,803 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 553 places, 602 transitions, 17073 flow [2021-03-26 05:20:09,803 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 553 places, 602 transitions, 17073 flow [2021-03-26 05:20:09,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 553 places, 602 transitions, 17073 flow [2021-03-26 05:20:10,027 INFO L129 PetriNetUnfolder]: 512/1300 cut-off events. [2021-03-26 05:20:10,027 INFO L130 PetriNetUnfolder]: For 59221/59252 co-relation queries the response was YES. [2021-03-26 05:20:10,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13661 conditions, 1300 events. 512/1300 cut-off events. For 59221/59252 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9483 event pairs, 6 based on Foata normal form. 9/1117 useless extension candidates. Maximal degree in co-relation 13422. Up to 276 conditions per place. [2021-03-26 05:20:10,063 INFO L142 LiptonReduction]: Number of co-enabled transitions 2066 [2021-03-26 05:20:10,103 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:10,103 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:10,103 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 300 [2021-03-26 05:20:10,103 INFO L480 AbstractCegarLoop]: Abstraction has has 553 places, 602 transitions, 17073 flow [2021-03-26 05:20:10,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:10,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:10,103 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:10,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-03-26 05:20:10,103 INFO L428 AbstractCegarLoop]: === Iteration 196 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:10,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:10,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1707190942, now seen corresponding path program 19 times [2021-03-26 05:20:10,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:10,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108690562] [2021-03-26 05:20:10,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:10,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:10,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:10,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:10,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:10,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:10,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:10,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:10,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:10,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:10,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:10,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:10,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:10,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:10,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:10,182 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:10,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:10,195 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:10,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:10,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108690562] [2021-03-26 05:20:10,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:10,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:10,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966176467] [2021-03-26 05:20:10,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:10,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:10,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:10,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:10,199 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:10,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 602 transitions, 17073 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:10,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:10,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:10,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:10,922 INFO L129 PetriNetUnfolder]: 581/1410 cut-off events. [2021-03-26 05:20:10,923 INFO L130 PetriNetUnfolder]: For 65757/65763 co-relation queries the response was YES. [2021-03-26 05:20:10,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15484 conditions, 1410 events. 581/1410 cut-off events. For 65757/65763 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10054 event pairs, 3 based on Foata normal form. 7/1217 useless extension candidates. Maximal degree in co-relation 15241. Up to 796 conditions per place. [2021-03-26 05:20:10,947 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 548 selfloop transitions, 32 changer transitions 10/608 dead transitions. [2021-03-26 05:20:10,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 608 transitions, 18315 flow [2021-03-26 05:20:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:20:10,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:20:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 633 transitions. [2021-03-26 05:20:10,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4026717557251908 [2021-03-26 05:20:10,949 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 633 transitions. [2021-03-26 05:20:10,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 633 transitions. [2021-03-26 05:20:10,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:10,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 633 transitions. [2021-03-26 05:20:10,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.75) internal successors, (633), 12 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:10,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:10,950 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:10,950 INFO L185 Difference]: Start difference. First operand has 553 places, 602 transitions, 17073 flow. Second operand 12 states and 633 transitions. [2021-03-26 05:20:10,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 608 transitions, 18315 flow [2021-03-26 05:20:11,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 608 transitions, 18014 flow, removed 29 selfloop flow, removed 17 redundant places. [2021-03-26 05:20:11,547 INFO L241 Difference]: Finished difference. Result has 550 places, 595 transitions, 16755 flow [2021-03-26 05:20:11,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16772, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=570, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16755, PETRI_PLACES=550, PETRI_TRANSITIONS=595} [2021-03-26 05:20:11,547 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 497 predicate places. [2021-03-26 05:20:11,547 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:11,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 550 places, 595 transitions, 16755 flow [2021-03-26 05:20:11,548 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 550 places, 595 transitions, 16755 flow [2021-03-26 05:20:11,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 546 places, 595 transitions, 16755 flow [2021-03-26 05:20:11,767 INFO L129 PetriNetUnfolder]: 508/1275 cut-off events. [2021-03-26 05:20:11,767 INFO L130 PetriNetUnfolder]: For 60754/60774 co-relation queries the response was YES. [2021-03-26 05:20:11,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13357 conditions, 1275 events. 508/1275 cut-off events. For 60754/60774 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9258 event pairs, 6 based on Foata normal form. 9/1098 useless extension candidates. Maximal degree in co-relation 13119. Up to 269 conditions per place. [2021-03-26 05:20:11,802 INFO L142 LiptonReduction]: Number of co-enabled transitions 2038 [2021-03-26 05:20:11,841 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:11,841 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:11,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 294 [2021-03-26 05:20:11,841 INFO L480 AbstractCegarLoop]: Abstraction has has 546 places, 595 transitions, 16755 flow [2021-03-26 05:20:11,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:11,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:11,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:11,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-03-26 05:20:11,842 INFO L428 AbstractCegarLoop]: === Iteration 197 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:11,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:11,842 INFO L82 PathProgramCache]: Analyzing trace with hash -609556562, now seen corresponding path program 68 times [2021-03-26 05:20:11,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:11,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813565957] [2021-03-26 05:20:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:11,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:11,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:11,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:11,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:11,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:11,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:11,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:11,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:11,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:11,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:11,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:11,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:11,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:11,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:11,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:11,899 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:20:11,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:20:11,910 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:11,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:11,922 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:11,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:11,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813565957] [2021-03-26 05:20:11,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:11,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:20:11,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287206595] [2021-03-26 05:20:11,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:20:11,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:11,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:20:11,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:20:11,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:11,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 595 transitions, 16755 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:11,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:11,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:11,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:12,504 INFO L129 PetriNetUnfolder]: 569/1371 cut-off events. [2021-03-26 05:20:12,504 INFO L130 PetriNetUnfolder]: For 63815/63819 co-relation queries the response was YES. [2021-03-26 05:20:12,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15191 conditions, 1371 events. 569/1371 cut-off events. For 63815/63819 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9584 event pairs, 3 based on Foata normal form. 5/1186 useless extension candidates. Maximal degree in co-relation 14949. Up to 775 conditions per place. [2021-03-26 05:20:12,530 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 549 selfloop transitions, 32 changer transitions 3/602 dead transitions. [2021-03-26 05:20:12,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 602 transitions, 17965 flow [2021-03-26 05:20:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:20:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:20:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 580 transitions. [2021-03-26 05:20:12,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4024982650936849 [2021-03-26 05:20:12,532 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 580 transitions. [2021-03-26 05:20:12,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 580 transitions. [2021-03-26 05:20:12,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:12,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 580 transitions. [2021-03-26 05:20:12,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 52.72727272727273) internal successors, (580), 11 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:12,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:12,533 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:12,533 INFO L185 Difference]: Start difference. First operand has 546 places, 595 transitions, 16755 flow. Second operand 11 states and 580 transitions. [2021-03-26 05:20:12,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 602 transitions, 17965 flow [2021-03-26 05:20:13,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 602 transitions, 17775 flow, removed 20 selfloop flow, removed 18 redundant places. [2021-03-26 05:20:13,079 INFO L241 Difference]: Finished difference. Result has 539 places, 592 transitions, 16559 flow [2021-03-26 05:20:13,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16565, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16559, PETRI_PLACES=539, PETRI_TRANSITIONS=592} [2021-03-26 05:20:13,079 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 486 predicate places. [2021-03-26 05:20:13,079 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:13,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 539 places, 592 transitions, 16559 flow [2021-03-26 05:20:13,079 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 539 places, 592 transitions, 16559 flow [2021-03-26 05:20:13,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 535 places, 592 transitions, 16559 flow [2021-03-26 05:20:13,295 INFO L129 PetriNetUnfolder]: 508/1280 cut-off events. [2021-03-26 05:20:13,295 INFO L130 PetriNetUnfolder]: For 57369/57403 co-relation queries the response was YES. [2021-03-26 05:20:13,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13311 conditions, 1280 events. 508/1280 cut-off events. For 57369/57403 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9203 event pairs, 8 based on Foata normal form. 8/1099 useless extension candidates. Maximal degree in co-relation 13076. Up to 263 conditions per place. [2021-03-26 05:20:13,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 2028 [2021-03-26 05:20:13,368 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:13,368 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:13,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 290 [2021-03-26 05:20:13,369 INFO L480 AbstractCegarLoop]: Abstraction has has 535 places, 592 transitions, 16559 flow [2021-03-26 05:20:13,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:13,369 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:13,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:13,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-03-26 05:20:13,369 INFO L428 AbstractCegarLoop]: === Iteration 198 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:13,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:13,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1730089926, now seen corresponding path program 69 times [2021-03-26 05:20:13,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:13,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528802490] [2021-03-26 05:20:13,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:13,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:13,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:13,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:13,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:13,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:13,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:13,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:13,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:13,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:13,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:13,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:13,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:13,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:13,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:13,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:13,437 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:20:13,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:13,449 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:20:13,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:13,463 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:13,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:13,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528802490] [2021-03-26 05:20:13,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:13,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:13,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93345956] [2021-03-26 05:20:13,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:13,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:13,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:13,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:13,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:13,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 592 transitions, 16559 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:13,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:13,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:13,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:14,197 INFO L129 PetriNetUnfolder]: 584/1422 cut-off events. [2021-03-26 05:20:14,197 INFO L130 PetriNetUnfolder]: For 71393/71403 co-relation queries the response was YES. [2021-03-26 05:20:14,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15743 conditions, 1422 events. 584/1422 cut-off events. For 71393/71403 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10101 event pairs, 5 based on Foata normal form. 12/1233 useless extension candidates. Maximal degree in co-relation 15504. Up to 577 conditions per place. [2021-03-26 05:20:14,224 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 346 selfloop transitions, 242 changer transitions 16/622 dead transitions. [2021-03-26 05:20:14,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 622 transitions, 18929 flow [2021-03-26 05:20:14,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:20:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:20:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 670 transitions. [2021-03-26 05:20:14,225 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4262086513994911 [2021-03-26 05:20:14,225 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 670 transitions. [2021-03-26 05:20:14,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 670 transitions. [2021-03-26 05:20:14,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:14,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 670 transitions. [2021-03-26 05:20:14,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.833333333333336) internal successors, (670), 12 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:14,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:14,226 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:14,226 INFO L185 Difference]: Start difference. First operand has 535 places, 592 transitions, 16559 flow. Second operand 12 states and 670 transitions. [2021-03-26 05:20:14,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 622 transitions, 18929 flow [2021-03-26 05:20:14,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 622 transitions, 18830 flow, removed 9 selfloop flow, removed 10 redundant places. [2021-03-26 05:20:14,756 INFO L241 Difference]: Finished difference. Result has 539 places, 593 transitions, 17765 flow [2021-03-26 05:20:14,756 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16470, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=228, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17765, PETRI_PLACES=539, PETRI_TRANSITIONS=593} [2021-03-26 05:20:14,756 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 486 predicate places. [2021-03-26 05:20:14,756 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:14,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 539 places, 593 transitions, 17765 flow [2021-03-26 05:20:14,757 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 539 places, 593 transitions, 17765 flow [2021-03-26 05:20:14,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 535 places, 593 transitions, 17765 flow [2021-03-26 05:20:14,986 INFO L129 PetriNetUnfolder]: 510/1297 cut-off events. [2021-03-26 05:20:14,986 INFO L130 PetriNetUnfolder]: For 67708/67737 co-relation queries the response was YES. [2021-03-26 05:20:15,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14223 conditions, 1297 events. 510/1297 cut-off events. For 67708/67737 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9467 event pairs, 7 based on Foata normal form. 7/1113 useless extension candidates. Maximal degree in co-relation 13988. Up to 272 conditions per place. [2021-03-26 05:20:15,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 2102 [2021-03-26 05:20:15,061 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:15,061 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:15,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 305 [2021-03-26 05:20:15,061 INFO L480 AbstractCegarLoop]: Abstraction has has 535 places, 593 transitions, 17765 flow [2021-03-26 05:20:15,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:15,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:15,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:15,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-03-26 05:20:15,061 INFO L428 AbstractCegarLoop]: === Iteration 199 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:15,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:15,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1672439834, now seen corresponding path program 70 times [2021-03-26 05:20:15,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:15,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013251437] [2021-03-26 05:20:15,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:15,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:15,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:15,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:15,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:15,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:15,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:15,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:15,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:15,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:15,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:15,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:15,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:15,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:15,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:15,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:15,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:15,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:15,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:15,130 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:15,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:15,143 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:15,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:15,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013251437] [2021-03-26 05:20:15,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:15,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:20:15,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676398308] [2021-03-26 05:20:15,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:20:15,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:15,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:20:15,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:20:15,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:15,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 593 transitions, 17765 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:15,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:15,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:15,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:15,734 INFO L129 PetriNetUnfolder]: 564/1368 cut-off events. [2021-03-26 05:20:15,734 INFO L130 PetriNetUnfolder]: For 72030/72034 co-relation queries the response was YES. [2021-03-26 05:20:15,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15737 conditions, 1368 events. 564/1368 cut-off events. For 72030/72034 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9589 event pairs, 5 based on Foata normal form. 5/1183 useless extension candidates. Maximal degree in co-relation 15498. Up to 767 conditions per place. [2021-03-26 05:20:15,760 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 546 selfloop transitions, 27 changer transitions 9/600 dead transitions. [2021-03-26 05:20:15,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 600 transitions, 18971 flow [2021-03-26 05:20:15,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:20:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:20:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 628 transitions. [2021-03-26 05:20:15,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3994910941475827 [2021-03-26 05:20:15,761 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 628 transitions. [2021-03-26 05:20:15,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 628 transitions. [2021-03-26 05:20:15,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:15,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 628 transitions. [2021-03-26 05:20:15,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.333333333333336) internal successors, (628), 12 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:15,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:15,763 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:15,763 INFO L185 Difference]: Start difference. First operand has 535 places, 593 transitions, 17765 flow. Second operand 12 states and 628 transitions. [2021-03-26 05:20:15,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 600 transitions, 18971 flow [2021-03-26 05:20:16,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 600 transitions, 18073 flow, removed 372 selfloop flow, removed 7 redundant places. [2021-03-26 05:20:16,317 INFO L241 Difference]: Finished difference. Result has 540 places, 584 transitions, 16580 flow [2021-03-26 05:20:16,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16867, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16580, PETRI_PLACES=540, PETRI_TRANSITIONS=584} [2021-03-26 05:20:16,318 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 487 predicate places. [2021-03-26 05:20:16,318 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:16,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 584 transitions, 16580 flow [2021-03-26 05:20:16,318 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 584 transitions, 16580 flow [2021-03-26 05:20:16,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 530 places, 584 transitions, 16580 flow [2021-03-26 05:20:16,536 INFO L129 PetriNetUnfolder]: 495/1244 cut-off events. [2021-03-26 05:20:16,536 INFO L130 PetriNetUnfolder]: For 63151/63171 co-relation queries the response was YES. [2021-03-26 05:20:16,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13167 conditions, 1244 events. 495/1244 cut-off events. For 63151/63171 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8966 event pairs, 7 based on Foata normal form. 9/1073 useless extension candidates. Maximal degree in co-relation 12932. Up to 253 conditions per place. [2021-03-26 05:20:16,570 INFO L142 LiptonReduction]: Number of co-enabled transitions 2058 [2021-03-26 05:20:16,608 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:16,608 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:16,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 290 [2021-03-26 05:20:16,608 INFO L480 AbstractCegarLoop]: Abstraction has has 530 places, 584 transitions, 16580 flow [2021-03-26 05:20:16,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:16,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:16,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:16,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-03-26 05:20:16,609 INFO L428 AbstractCegarLoop]: === Iteration 200 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:16,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:16,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1746943026, now seen corresponding path program 71 times [2021-03-26 05:20:16,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:16,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256062719] [2021-03-26 05:20:16,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:16,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:16,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:16,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:16,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:16,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:16,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:16,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:16,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:16,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:16,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:16,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:16,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:16,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:16,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:16,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:16,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:16,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:16,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:16,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:16,722 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:16,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:16,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256062719] [2021-03-26 05:20:16,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:16,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:16,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118669542] [2021-03-26 05:20:16,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:16,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:16,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:16,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:16,725 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:16,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 584 transitions, 16580 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:16,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:16,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:16,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:17,390 INFO L129 PetriNetUnfolder]: 565/1371 cut-off events. [2021-03-26 05:20:17,390 INFO L130 PetriNetUnfolder]: For 66413/66417 co-relation queries the response was YES. [2021-03-26 05:20:17,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15121 conditions, 1371 events. 565/1371 cut-off events. For 66413/66417 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9673 event pairs, 5 based on Foata normal form. 5/1184 useless extension candidates. Maximal degree in co-relation 14882. Up to 668 conditions per place. [2021-03-26 05:20:17,416 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 392 selfloop transitions, 157 changer transitions 29/596 dead transitions. [2021-03-26 05:20:17,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 596 transitions, 17894 flow [2021-03-26 05:20:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:20:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:20:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 05:20:17,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4128009395184968 [2021-03-26 05:20:17,418 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 05:20:17,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 05:20:17,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:17,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 05:20:17,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:17,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:17,420 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:17,420 INFO L185 Difference]: Start difference. First operand has 530 places, 584 transitions, 16580 flow. Second operand 13 states and 703 transitions. [2021-03-26 05:20:17,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 596 transitions, 17894 flow [2021-03-26 05:20:17,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 596 transitions, 17233 flow, removed 257 selfloop flow, removed 14 redundant places. [2021-03-26 05:20:17,936 INFO L241 Difference]: Finished difference. Result has 532 places, 559 transitions, 15555 flow [2021-03-26 05:20:17,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=15921, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15555, PETRI_PLACES=532, PETRI_TRANSITIONS=559} [2021-03-26 05:20:17,936 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 479 predicate places. [2021-03-26 05:20:17,936 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:17,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 532 places, 559 transitions, 15555 flow [2021-03-26 05:20:17,936 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 532 places, 559 transitions, 15555 flow [2021-03-26 05:20:17,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 523 places, 559 transitions, 15555 flow [2021-03-26 05:20:18,132 INFO L129 PetriNetUnfolder]: 470/1162 cut-off events. [2021-03-26 05:20:18,133 INFO L130 PetriNetUnfolder]: For 60983/61017 co-relation queries the response was YES. [2021-03-26 05:20:18,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12589 conditions, 1162 events. 470/1162 cut-off events. For 60983/61017 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 8204 event pairs, 2 based on Foata normal form. 10/1010 useless extension candidates. Maximal degree in co-relation 12379. Up to 244 conditions per place. [2021-03-26 05:20:18,164 INFO L142 LiptonReduction]: Number of co-enabled transitions 1888 [2021-03-26 05:20:18,199 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:18,199 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:18,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-26 05:20:18,199 INFO L480 AbstractCegarLoop]: Abstraction has has 523 places, 559 transitions, 15555 flow [2021-03-26 05:20:18,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:18,199 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:18,199 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:18,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-03-26 05:20:18,199 INFO L428 AbstractCegarLoop]: === Iteration 201 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:18,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:18,200 INFO L82 PathProgramCache]: Analyzing trace with hash -111834400, now seen corresponding path program 72 times [2021-03-26 05:20:18,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:18,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442084098] [2021-03-26 05:20:18,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:18,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:18,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:18,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:18,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:18,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:18,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:18,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:18,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:18,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:18,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:18,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:18,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:18,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:18,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:18,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:18,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:18,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:18,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:18,315 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:18,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:18,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442084098] [2021-03-26 05:20:18,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:18,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:18,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853434602] [2021-03-26 05:20:18,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:18,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:18,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:18,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:18,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:18,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 559 transitions, 15555 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:18,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:18,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:18,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:19,031 INFO L129 PetriNetUnfolder]: 538/1282 cut-off events. [2021-03-26 05:20:19,031 INFO L130 PetriNetUnfolder]: For 63995/63999 co-relation queries the response was YES. [2021-03-26 05:20:19,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14506 conditions, 1282 events. 538/1282 cut-off events. For 63995/63999 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8785 event pairs, 5 based on Foata normal form. 5/1115 useless extension candidates. Maximal degree in co-relation 14287. Up to 650 conditions per place. [2021-03-26 05:20:19,055 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 379 selfloop transitions, 157 changer transitions 17/571 dead transitions. [2021-03-26 05:20:19,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 571 transitions, 16825 flow [2021-03-26 05:20:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:19,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 752 transitions. [2021-03-26 05:20:19,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4100327153762268 [2021-03-26 05:20:19,057 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 752 transitions. [2021-03-26 05:20:19,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 752 transitions. [2021-03-26 05:20:19,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:19,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 752 transitions. [2021-03-26 05:20:19,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.714285714285715) internal successors, (752), 14 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:19,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:19,058 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:19,058 INFO L185 Difference]: Start difference. First operand has 523 places, 559 transitions, 15555 flow. Second operand 14 states and 752 transitions. [2021-03-26 05:20:19,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 571 transitions, 16825 flow [2021-03-26 05:20:19,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 571 transitions, 16235 flow, removed 66 selfloop flow, removed 26 redundant places. [2021-03-26 05:20:19,539 INFO L241 Difference]: Finished difference. Result has 514 places, 546 transitions, 15052 flow [2021-03-26 05:20:19,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=14973, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=15052, PETRI_PLACES=514, PETRI_TRANSITIONS=546} [2021-03-26 05:20:19,540 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 461 predicate places. [2021-03-26 05:20:19,540 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:19,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 514 places, 546 transitions, 15052 flow [2021-03-26 05:20:19,540 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 514 places, 546 transitions, 15052 flow [2021-03-26 05:20:19,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 546 transitions, 15052 flow [2021-03-26 05:20:19,725 INFO L129 PetriNetUnfolder]: 462/1139 cut-off events. [2021-03-26 05:20:19,725 INFO L130 PetriNetUnfolder]: For 53824/53854 co-relation queries the response was YES. [2021-03-26 05:20:19,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12293 conditions, 1139 events. 462/1139 cut-off events. For 53824/53854 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7847 event pairs, 7 based on Foata normal form. 9/986 useless extension candidates. Maximal degree in co-relation 12085. Up to 240 conditions per place. [2021-03-26 05:20:19,754 INFO L142 LiptonReduction]: Number of co-enabled transitions 1796 [2021-03-26 05:20:19,787 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:19,787 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:19,787 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-03-26 05:20:19,787 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 546 transitions, 15052 flow [2021-03-26 05:20:19,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:19,788 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:19,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:19,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-03-26 05:20:19,788 INFO L428 AbstractCegarLoop]: === Iteration 202 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:19,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:19,788 INFO L82 PathProgramCache]: Analyzing trace with hash -44240808, now seen corresponding path program 73 times [2021-03-26 05:20:19,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:19,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308487216] [2021-03-26 05:20:19,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:19,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:19,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:19,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:19,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:19,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:19,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:19,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:19,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:19,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:19,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:19,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:19,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:19,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:19,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:19,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:19,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:19,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:19,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:19,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:19,905 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:19,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:19,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308487216] [2021-03-26 05:20:19,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:19,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:20:19,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427325244] [2021-03-26 05:20:19,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:20:19,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:19,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:20:19,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:20:19,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:19,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 546 transitions, 15052 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:19,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:19,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:19,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:20,449 INFO L129 PetriNetUnfolder]: 520/1220 cut-off events. [2021-03-26 05:20:20,449 INFO L130 PetriNetUnfolder]: For 58989/59001 co-relation queries the response was YES. [2021-03-26 05:20:20,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14086 conditions, 1220 events. 520/1220 cut-off events. For 58989/59001 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8131 event pairs, 5 based on Foata normal form. 13/1076 useless extension candidates. Maximal degree in co-relation 13876. Up to 650 conditions per place. [2021-03-26 05:20:20,472 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 389 selfloop transitions, 150 changer transitions 0/557 dead transitions. [2021-03-26 05:20:20,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 557 transitions, 16269 flow [2021-03-26 05:20:20,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:20:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:20:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 601 transitions. [2021-03-26 05:20:20,473 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4170714781401804 [2021-03-26 05:20:20,473 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 601 transitions. [2021-03-26 05:20:20,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 601 transitions. [2021-03-26 05:20:20,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:20,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 601 transitions. [2021-03-26 05:20:20,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.63636363636363) internal successors, (601), 11 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:20,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:20,474 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:20,474 INFO L185 Difference]: Start difference. First operand has 510 places, 546 transitions, 15052 flow. Second operand 11 states and 601 transitions. [2021-03-26 05:20:20,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 557 transitions, 16269 flow [2021-03-26 05:20:20,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 557 transitions, 15616 flow, removed 31 selfloop flow, removed 29 redundant places. [2021-03-26 05:20:20,920 INFO L241 Difference]: Finished difference. Result has 494 places, 549 transitions, 14894 flow [2021-03-26 05:20:20,920 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=14403, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=14894, PETRI_PLACES=494, PETRI_TRANSITIONS=549} [2021-03-26 05:20:20,920 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 441 predicate places. [2021-03-26 05:20:20,920 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:20,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 549 transitions, 14894 flow [2021-03-26 05:20:20,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 549 transitions, 14894 flow [2021-03-26 05:20:20,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 549 transitions, 14894 flow [2021-03-26 05:20:21,111 INFO L129 PetriNetUnfolder]: 473/1166 cut-off events. [2021-03-26 05:20:21,111 INFO L130 PetriNetUnfolder]: For 53433/53463 co-relation queries the response was YES. [2021-03-26 05:20:21,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12434 conditions, 1166 events. 473/1166 cut-off events. For 53433/53463 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8071 event pairs, 5 based on Foata normal form. 9/1009 useless extension candidates. Maximal degree in co-relation 12218. Up to 244 conditions per place. [2021-03-26 05:20:21,140 INFO L142 LiptonReduction]: Number of co-enabled transitions 1830 [2021-03-26 05:20:21,174 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:21,174 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:21,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 254 [2021-03-26 05:20:21,175 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 549 transitions, 14894 flow [2021-03-26 05:20:21,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:21,175 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:21,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:21,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-03-26 05:20:21,175 INFO L428 AbstractCegarLoop]: === Iteration 203 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:21,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:21,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1164451062, now seen corresponding path program 74 times [2021-03-26 05:20:21,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:21,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415347250] [2021-03-26 05:20:21,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:21,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:21,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:21,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:21,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:21,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:21,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:21,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:21,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:21,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:21,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:21,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:21,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:21,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:21,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:21,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:21,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:21,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:21,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:21,293 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:21,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:21,308 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:21,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:21,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415347250] [2021-03-26 05:20:21,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:21,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:21,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138939015] [2021-03-26 05:20:21,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:21,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:21,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:21,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:21,311 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:21,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 549 transitions, 14894 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:21,311 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:21,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:21,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:21,980 INFO L129 PetriNetUnfolder]: 536/1271 cut-off events. [2021-03-26 05:20:21,980 INFO L130 PetriNetUnfolder]: For 59910/59914 co-relation queries the response was YES. [2021-03-26 05:20:21,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14139 conditions, 1271 events. 536/1271 cut-off events. For 59910/59914 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 8642 event pairs, 5 based on Foata normal form. 5/1104 useless extension candidates. Maximal degree in co-relation 13918. Up to 630 conditions per place. [2021-03-26 05:20:22,001 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 366 selfloop transitions, 181 changer transitions 0/565 dead transitions. [2021-03-26 05:20:22,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 565 transitions, 16473 flow [2021-03-26 05:20:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:20:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:20:22,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 850 transitions. [2021-03-26 05:20:22,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40553435114503816 [2021-03-26 05:20:22,002 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 850 transitions. [2021-03-26 05:20:22,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 850 transitions. [2021-03-26 05:20:22,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:22,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 850 transitions. [2021-03-26 05:20:22,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.125) internal successors, (850), 16 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:22,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:22,004 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:22,004 INFO L185 Difference]: Start difference. First operand has 494 places, 549 transitions, 14894 flow. Second operand 16 states and 850 transitions. [2021-03-26 05:20:22,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 565 transitions, 16473 flow [2021-03-26 05:20:22,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 565 transitions, 16158 flow, removed 33 selfloop flow, removed 7 redundant places. [2021-03-26 05:20:22,436 INFO L241 Difference]: Finished difference. Result has 504 places, 557 transitions, 15469 flow [2021-03-26 05:20:22,437 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=14579, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=15469, PETRI_PLACES=504, PETRI_TRANSITIONS=557} [2021-03-26 05:20:22,437 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 451 predicate places. [2021-03-26 05:20:22,437 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:22,437 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 557 transitions, 15469 flow [2021-03-26 05:20:22,437 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 557 transitions, 15469 flow [2021-03-26 05:20:22,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 557 transitions, 15469 flow [2021-03-26 05:20:22,617 INFO L129 PetriNetUnfolder]: 492/1221 cut-off events. [2021-03-26 05:20:22,618 INFO L130 PetriNetUnfolder]: For 57527/57545 co-relation queries the response was YES. [2021-03-26 05:20:22,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12817 conditions, 1221 events. 492/1221 cut-off events. For 57527/57545 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 8578 event pairs, 6 based on Foata normal form. 4/1045 useless extension candidates. Maximal degree in co-relation 12600. Up to 253 conditions per place. [2021-03-26 05:20:22,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 1910 [2021-03-26 05:20:22,678 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:22,678 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:22,678 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 241 [2021-03-26 05:20:22,678 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 557 transitions, 15469 flow [2021-03-26 05:20:22,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:22,679 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:22,679 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:22,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-03-26 05:20:22,679 INFO L428 AbstractCegarLoop]: === Iteration 204 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:22,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:22,679 INFO L82 PathProgramCache]: Analyzing trace with hash 449652092, now seen corresponding path program 75 times [2021-03-26 05:20:22,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:22,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476282400] [2021-03-26 05:20:22,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:22,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:22,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:22,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:22,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:22,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:22,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:22,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:22,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:22,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:22,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:22,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:22,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:22,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:22,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:22,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:22,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:22,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:22,757 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:22,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:22,770 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:22,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:22,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:22,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476282400] [2021-03-26 05:20:22,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:22,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:22,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668989779] [2021-03-26 05:20:22,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:22,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:22,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:22,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:22,773 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:22,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 557 transitions, 15469 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:22,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:22,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:22,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:23,349 INFO L129 PetriNetUnfolder]: 537/1279 cut-off events. [2021-03-26 05:20:23,350 INFO L130 PetriNetUnfolder]: For 61084/61097 co-relation queries the response was YES. [2021-03-26 05:20:23,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14258 conditions, 1279 events. 537/1279 cut-off events. For 61084/61097 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8746 event pairs, 5 based on Foata normal form. 11/1116 useless extension candidates. Maximal degree in co-relation 14036. Up to 656 conditions per place. [2021-03-26 05:20:23,371 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 397 selfloop transitions, 140 changer transitions 11/566 dead transitions. [2021-03-26 05:20:23,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 566 transitions, 16638 flow [2021-03-26 05:20:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:20:23,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:20:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 698 transitions. [2021-03-26 05:20:23,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40986494421608927 [2021-03-26 05:20:23,372 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 698 transitions. [2021-03-26 05:20:23,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 698 transitions. [2021-03-26 05:20:23,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:23,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 698 transitions. [2021-03-26 05:20:23,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.69230769230769) internal successors, (698), 13 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:23,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:23,374 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:23,374 INFO L185 Difference]: Start difference. First operand has 504 places, 557 transitions, 15469 flow. Second operand 13 states and 698 transitions. [2021-03-26 05:20:23,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 566 transitions, 16638 flow [2021-03-26 05:20:23,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 566 transitions, 16136 flow, removed 209 selfloop flow, removed 6 redundant places. [2021-03-26 05:20:23,800 INFO L241 Difference]: Finished difference. Result has 512 places, 547 transitions, 15030 flow [2021-03-26 05:20:23,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=14967, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15030, PETRI_PLACES=512, PETRI_TRANSITIONS=547} [2021-03-26 05:20:23,800 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 459 predicate places. [2021-03-26 05:20:23,800 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:23,801 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 547 transitions, 15030 flow [2021-03-26 05:20:23,801 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 547 transitions, 15030 flow [2021-03-26 05:20:23,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 547 transitions, 15030 flow [2021-03-26 05:20:23,972 INFO L129 PetriNetUnfolder]: 462/1136 cut-off events. [2021-03-26 05:20:23,972 INFO L130 PetriNetUnfolder]: For 55066/55086 co-relation queries the response was YES. [2021-03-26 05:20:23,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12173 conditions, 1136 events. 462/1136 cut-off events. For 55066/55086 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7890 event pairs, 4 based on Foata normal form. 9/985 useless extension candidates. Maximal degree in co-relation 11973. Up to 234 conditions per place. [2021-03-26 05:20:23,997 INFO L142 LiptonReduction]: Number of co-enabled transitions 1842 [2021-03-26 05:20:24,030 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:24,030 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:24,030 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 230 [2021-03-26 05:20:24,031 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 547 transitions, 15030 flow [2021-03-26 05:20:24,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:24,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:24,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:24,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-03-26 05:20:24,031 INFO L428 AbstractCegarLoop]: === Iteration 205 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:24,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:24,031 INFO L82 PathProgramCache]: Analyzing trace with hash -716508656, now seen corresponding path program 76 times [2021-03-26 05:20:24,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:24,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726554439] [2021-03-26 05:20:24,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:24,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:24,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:24,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:24,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:24,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:24,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:24,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:24,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:24,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:24,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:24,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:24,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:24,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:24,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:24,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:24,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:24,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:20:24,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:20:24,130 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:24,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:24,143 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:24,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:24,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726554439] [2021-03-26 05:20:24,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:24,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:24,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636750907] [2021-03-26 05:20:24,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:24,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:24,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:24,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:24,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:24,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 547 transitions, 15030 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:24,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:24,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:24,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:24,734 INFO L129 PetriNetUnfolder]: 526/1250 cut-off events. [2021-03-26 05:20:24,734 INFO L130 PetriNetUnfolder]: For 56418/56424 co-relation queries the response was YES. [2021-03-26 05:20:24,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14027 conditions, 1250 events. 526/1250 cut-off events. For 56418/56424 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8453 event pairs, 6 based on Foata normal form. 7/1089 useless extension candidates. Maximal degree in co-relation 13825. Up to 633 conditions per place. [2021-03-26 05:20:24,756 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 377 selfloop transitions, 137 changer transitions 25/557 dead transitions. [2021-03-26 05:20:24,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 557 transitions, 16217 flow [2021-03-26 05:20:24,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 755 transitions. [2021-03-26 05:20:24,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4116684841875682 [2021-03-26 05:20:24,757 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 755 transitions. [2021-03-26 05:20:24,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 755 transitions. [2021-03-26 05:20:24,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:24,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 755 transitions. [2021-03-26 05:20:24,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.92857142857143) internal successors, (755), 14 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:24,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:24,758 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:24,758 INFO L185 Difference]: Start difference. First operand has 504 places, 547 transitions, 15030 flow. Second operand 14 states and 755 transitions. [2021-03-26 05:20:24,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 557 transitions, 16217 flow [2021-03-26 05:20:25,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 557 transitions, 15833 flow, removed 11 selfloop flow, removed 15 redundant places. [2021-03-26 05:20:25,154 INFO L241 Difference]: Finished difference. Result has 504 places, 523 transitions, 13978 flow [2021-03-26 05:20:25,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=14650, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13978, PETRI_PLACES=504, PETRI_TRANSITIONS=523} [2021-03-26 05:20:25,154 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 451 predicate places. [2021-03-26 05:20:25,154 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:25,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 523 transitions, 13978 flow [2021-03-26 05:20:25,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 523 transitions, 13978 flow [2021-03-26 05:20:25,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 502 places, 523 transitions, 13978 flow [2021-03-26 05:20:25,311 INFO L129 PetriNetUnfolder]: 453/1126 cut-off events. [2021-03-26 05:20:25,311 INFO L130 PetriNetUnfolder]: For 51275/51307 co-relation queries the response was YES. [2021-03-26 05:20:25,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11638 conditions, 1126 events. 453/1126 cut-off events. For 51275/51307 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7740 event pairs, 6 based on Foata normal form. 11/971 useless extension candidates. Maximal degree in co-relation 11422. Up to 225 conditions per place. [2021-03-26 05:20:25,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 1842 [2021-03-26 05:20:25,366 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:25,366 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:25,366 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 212 [2021-03-26 05:20:25,366 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 523 transitions, 13978 flow [2021-03-26 05:20:25,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:25,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:25,367 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:25,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-03-26 05:20:25,367 INFO L428 AbstractCegarLoop]: === Iteration 206 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:25,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:25,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1145613982, now seen corresponding path program 77 times [2021-03-26 05:20:25,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:25,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705004273] [2021-03-26 05:20:25,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:25,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:25,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:25,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:25,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:25,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:25,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:25,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:25,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:25,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:25,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:25,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:25,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:25,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:25,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:25,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:25,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:25,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:25,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:25,447 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:25,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:25,460 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:25,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:25,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:25,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705004273] [2021-03-26 05:20:25,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:25,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:25,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480218540] [2021-03-26 05:20:25,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:25,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:25,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:25,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:25,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:25,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 523 transitions, 13978 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:25,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:25,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:25,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:26,089 INFO L129 PetriNetUnfolder]: 527/1276 cut-off events. [2021-03-26 05:20:26,089 INFO L130 PetriNetUnfolder]: For 58178/58182 co-relation queries the response was YES. [2021-03-26 05:20:26,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13556 conditions, 1276 events. 527/1276 cut-off events. For 58178/58182 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8766 event pairs, 5 based on Foata normal form. 6/1102 useless extension candidates. Maximal degree in co-relation 13336. Up to 612 conditions per place. [2021-03-26 05:20:26,110 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 368 selfloop transitions, 160 changer transitions 0/546 dead transitions. [2021-03-26 05:20:26,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 546 transitions, 15397 flow [2021-03-26 05:20:26,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2021-03-26 05:20:26,111 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4133042529989095 [2021-03-26 05:20:26,111 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 758 transitions. [2021-03-26 05:20:26,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 758 transitions. [2021-03-26 05:20:26,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:26,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 758 transitions. [2021-03-26 05:20:26,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.142857142857146) internal successors, (758), 14 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:26,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:26,113 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:26,113 INFO L185 Difference]: Start difference. First operand has 502 places, 523 transitions, 13978 flow. Second operand 14 states and 758 transitions. [2021-03-26 05:20:26,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 546 transitions, 15397 flow [2021-03-26 05:20:26,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 546 transitions, 14905 flow, removed 24 selfloop flow, removed 23 redundant places. [2021-03-26 05:20:26,515 INFO L241 Difference]: Finished difference. Result has 498 places, 536 transitions, 14257 flow [2021-03-26 05:20:26,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13490, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=14257, PETRI_PLACES=498, PETRI_TRANSITIONS=536} [2021-03-26 05:20:26,515 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 445 predicate places. [2021-03-26 05:20:26,515 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:26,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 536 transitions, 14257 flow [2021-03-26 05:20:26,516 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 536 transitions, 14257 flow [2021-03-26 05:20:26,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 498 places, 536 transitions, 14257 flow [2021-03-26 05:20:26,686 INFO L129 PetriNetUnfolder]: 475/1210 cut-off events. [2021-03-26 05:20:26,686 INFO L130 PetriNetUnfolder]: For 55356/55372 co-relation queries the response was YES. [2021-03-26 05:20:26,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12206 conditions, 1210 events. 475/1210 cut-off events. For 55356/55372 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8607 event pairs, 7 based on Foata normal form. 8/1039 useless extension candidates. Maximal degree in co-relation 11990. Up to 235 conditions per place. [2021-03-26 05:20:26,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 1980 [2021-03-26 05:20:26,745 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:26,746 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:26,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 231 [2021-03-26 05:20:26,746 INFO L480 AbstractCegarLoop]: Abstraction has has 498 places, 536 transitions, 14257 flow [2021-03-26 05:20:26,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:26,746 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:26,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:26,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-03-26 05:20:26,746 INFO L428 AbstractCegarLoop]: === Iteration 207 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:26,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:26,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1181389390, now seen corresponding path program 78 times [2021-03-26 05:20:26,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:26,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285761186] [2021-03-26 05:20:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:26,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:26,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:26,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:26,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:26,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:26,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:26,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:26,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:26,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:26,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:26,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:26,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:26,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:26,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:26,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:26,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:26,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:26,822 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:20:26,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:26,836 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:26,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:26,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285761186] [2021-03-26 05:20:26,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:26,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:26,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749566236] [2021-03-26 05:20:26,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:26,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:26,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:26,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:26,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:26,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 536 transitions, 14257 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:26,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:26,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:26,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:27,451 INFO L129 PetriNetUnfolder]: 523/1270 cut-off events. [2021-03-26 05:20:27,451 INFO L130 PetriNetUnfolder]: For 57335/57356 co-relation queries the response was YES. [2021-03-26 05:20:27,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13589 conditions, 1270 events. 523/1270 cut-off events. For 57335/57356 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8736 event pairs, 6 based on Foata normal form. 19/1112 useless extension candidates. Maximal degree in co-relation 13369. Up to 629 conditions per place. [2021-03-26 05:20:27,473 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 406 selfloop transitions, 122 changer transitions 0/546 dead transitions. [2021-03-26 05:20:27,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 546 transitions, 15386 flow [2021-03-26 05:20:27,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:20:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:20:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 05:20:27,474 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41397533763945976 [2021-03-26 05:20:27,474 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 05:20:27,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 05:20:27,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:27,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 05:20:27,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:27,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:27,475 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:27,475 INFO L185 Difference]: Start difference. First operand has 498 places, 536 transitions, 14257 flow. Second operand 13 states and 705 transitions. [2021-03-26 05:20:27,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 546 transitions, 15386 flow [2021-03-26 05:20:27,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 546 transitions, 15012 flow, removed 68 selfloop flow, removed 7 redundant places. [2021-03-26 05:20:27,881 INFO L241 Difference]: Finished difference. Result has 504 places, 537 transitions, 14156 flow [2021-03-26 05:20:27,881 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13883, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14156, PETRI_PLACES=504, PETRI_TRANSITIONS=537} [2021-03-26 05:20:27,881 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 451 predicate places. [2021-03-26 05:20:27,881 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:27,881 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 537 transitions, 14156 flow [2021-03-26 05:20:27,881 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 537 transitions, 14156 flow [2021-03-26 05:20:27,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 537 transitions, 14156 flow [2021-03-26 05:20:28,046 INFO L129 PetriNetUnfolder]: 461/1181 cut-off events. [2021-03-26 05:20:28,046 INFO L130 PetriNetUnfolder]: For 52912/52945 co-relation queries the response was YES. [2021-03-26 05:20:28,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11791 conditions, 1181 events. 461/1181 cut-off events. For 52912/52945 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8421 event pairs, 3 based on Foata normal form. 9/1014 useless extension candidates. Maximal degree in co-relation 11574. Up to 224 conditions per place. [2021-03-26 05:20:28,072 INFO L142 LiptonReduction]: Number of co-enabled transitions 1990 [2021-03-26 05:20:28,104 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:28,104 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:28,104 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-03-26 05:20:28,105 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 537 transitions, 14156 flow [2021-03-26 05:20:28,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:28,105 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:28,105 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:28,105 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-03-26 05:20:28,105 INFO L428 AbstractCegarLoop]: === Iteration 208 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:28,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:28,105 INFO L82 PathProgramCache]: Analyzing trace with hash -252174920, now seen corresponding path program 79 times [2021-03-26 05:20:28,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:28,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382411489] [2021-03-26 05:20:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:28,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:28,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:28,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:28,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:28,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:28,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:28,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:28,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:28,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:28,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:28,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:28,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:28,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:28,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:28,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:28,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:28,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:28,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:28,182 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:28,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:28,195 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:28,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:28,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382411489] [2021-03-26 05:20:28,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:28,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:28,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337801167] [2021-03-26 05:20:28,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:28,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:28,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:28,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:28,198 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:28,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 537 transitions, 14156 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:28,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:28,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:28,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:28,752 INFO L129 PetriNetUnfolder]: 526/1292 cut-off events. [2021-03-26 05:20:28,753 INFO L130 PetriNetUnfolder]: For 57123/57127 co-relation queries the response was YES. [2021-03-26 05:20:28,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13608 conditions, 1292 events. 526/1292 cut-off events. For 57123/57127 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8985 event pairs, 14 based on Foata normal form. 5/1116 useless extension candidates. Maximal degree in co-relation 13387. Up to 671 conditions per place. [2021-03-26 05:20:28,772 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 436 selfloop transitions, 88 changer transitions 7/549 dead transitions. [2021-03-26 05:20:28,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 549 transitions, 15368 flow [2021-03-26 05:20:28,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:20:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:20:28,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 691 transitions. [2021-03-26 05:20:28,773 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4057545507927187 [2021-03-26 05:20:28,773 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 691 transitions. [2021-03-26 05:20:28,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 691 transitions. [2021-03-26 05:20:28,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:28,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 691 transitions. [2021-03-26 05:20:28,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.15384615384615) internal successors, (691), 13 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:28,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:28,774 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:28,774 INFO L185 Difference]: Start difference. First operand has 504 places, 537 transitions, 14156 flow. Second operand 13 states and 691 transitions. [2021-03-26 05:20:28,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 549 transitions, 15368 flow [2021-03-26 05:20:29,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 549 transitions, 15123 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-26 05:20:29,184 INFO L241 Difference]: Finished difference. Result has 506 places, 535 transitions, 14037 flow [2021-03-26 05:20:29,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13913, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14037, PETRI_PLACES=506, PETRI_TRANSITIONS=535} [2021-03-26 05:20:29,184 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 453 predicate places. [2021-03-26 05:20:29,184 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:29,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 535 transitions, 14037 flow [2021-03-26 05:20:29,185 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 535 transitions, 14037 flow [2021-03-26 05:20:29,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 505 places, 535 transitions, 14037 flow [2021-03-26 05:20:29,354 INFO L129 PetriNetUnfolder]: 465/1196 cut-off events. [2021-03-26 05:20:29,355 INFO L130 PetriNetUnfolder]: For 53735/53760 co-relation queries the response was YES. [2021-03-26 05:20:29,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11900 conditions, 1196 events. 465/1196 cut-off events. For 53735/53760 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8541 event pairs, 4 based on Foata normal form. 9/1025 useless extension candidates. Maximal degree in co-relation 11686. Up to 223 conditions per place. [2021-03-26 05:20:29,380 INFO L142 LiptonReduction]: Number of co-enabled transitions 2004 [2021-03-26 05:20:29,412 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:29,412 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:29,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 228 [2021-03-26 05:20:29,412 INFO L480 AbstractCegarLoop]: Abstraction has has 505 places, 535 transitions, 14037 flow [2021-03-26 05:20:29,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:29,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:29,413 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:29,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-03-26 05:20:29,413 INFO L428 AbstractCegarLoop]: === Iteration 209 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:29,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:29,413 INFO L82 PathProgramCache]: Analyzing trace with hash 960992564, now seen corresponding path program 80 times [2021-03-26 05:20:29,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:29,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998314264] [2021-03-26 05:20:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:29,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:29,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:29,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:29,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:29,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:29,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:29,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:29,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:29,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:29,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:29,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:29,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:29,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:29,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:29,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:29,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:29,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:29,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:29,500 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:29,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:29,513 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:29,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:29,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998314264] [2021-03-26 05:20:29,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:29,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:29,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965832181] [2021-03-26 05:20:29,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:29,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:29,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:29,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:29,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 05:20:29,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 535 transitions, 14037 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:29,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:29,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 05:20:29,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:30,145 INFO L129 PetriNetUnfolder]: 529/1294 cut-off events. [2021-03-26 05:20:30,145 INFO L130 PetriNetUnfolder]: For 58649/58661 co-relation queries the response was YES. [2021-03-26 05:20:30,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13532 conditions, 1294 events. 529/1294 cut-off events. For 58649/58661 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9069 event pairs, 5 based on Foata normal form. 14/1123 useless extension candidates. Maximal degree in co-relation 13314. Up to 567 conditions per place. [2021-03-26 05:20:30,167 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 323 selfloop transitions, 176 changer transitions 34/551 dead transitions. [2021-03-26 05:20:30,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 551 transitions, 15352 flow [2021-03-26 05:20:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:20:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:20:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 665 transitions. [2021-03-26 05:20:30,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42302798982188294 [2021-03-26 05:20:30,168 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 665 transitions. [2021-03-26 05:20:30,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 665 transitions. [2021-03-26 05:20:30,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:30,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 665 transitions. [2021-03-26 05:20:30,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.416666666666664) internal successors, (665), 12 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:30,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:30,169 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:30,169 INFO L185 Difference]: Start difference. First operand has 505 places, 535 transitions, 14037 flow. Second operand 12 states and 665 transitions. [2021-03-26 05:20:30,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 551 transitions, 15352 flow [2021-03-26 05:20:30,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 551 transitions, 15175 flow, removed 9 selfloop flow, removed 9 redundant places. [2021-03-26 05:20:30,574 INFO L241 Difference]: Finished difference. Result has 510 places, 505 transitions, 13770 flow [2021-03-26 05:20:30,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13860, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13770, PETRI_PLACES=510, PETRI_TRANSITIONS=505} [2021-03-26 05:20:30,574 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 457 predicate places. [2021-03-26 05:20:30,574 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:30,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 510 places, 505 transitions, 13770 flow [2021-03-26 05:20:30,574 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 510 places, 505 transitions, 13770 flow [2021-03-26 05:20:30,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 505 transitions, 13770 flow [2021-03-26 05:20:30,730 INFO L129 PetriNetUnfolder]: 440/1091 cut-off events. [2021-03-26 05:20:30,730 INFO L130 PetriNetUnfolder]: For 54495/54521 co-relation queries the response was YES. [2021-03-26 05:20:30,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11765 conditions, 1091 events. 440/1091 cut-off events. For 54495/54521 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7369 event pairs, 9 based on Foata normal form. 10/942 useless extension candidates. Maximal degree in co-relation 11548. Up to 221 conditions per place. [2021-03-26 05:20:30,753 INFO L142 LiptonReduction]: Number of co-enabled transitions 1788 [2021-03-26 05:20:30,856 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-26 05:20:30,856 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:20:30,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 282 [2021-03-26 05:20:30,856 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 505 transitions, 13845 flow [2021-03-26 05:20:30,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:30,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:30,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:30,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-03-26 05:20:30,857 INFO L428 AbstractCegarLoop]: === Iteration 210 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:30,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:30,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1403181426, now seen corresponding path program 81 times [2021-03-26 05:20:30,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:30,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421930360] [2021-03-26 05:20:30,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:30,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:30,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:30,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:30,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:30,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:30,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:30,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:30,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:30,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:30,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:30,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:30,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:30,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:30,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:30,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:30,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:30,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:30,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:30,933 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:30,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:30,947 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:30,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421930360] [2021-03-26 05:20:30,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:30,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:30,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345374266] [2021-03-26 05:20:30,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:30,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:30,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:30,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:30,951 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 05:20:30,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 505 transitions, 13845 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:30,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:30,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 05:20:30,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:31,624 INFO L129 PetriNetUnfolder]: 494/1168 cut-off events. [2021-03-26 05:20:31,624 INFO L130 PetriNetUnfolder]: For 59375/59387 co-relation queries the response was YES. [2021-03-26 05:20:31,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13292 conditions, 1168 events. 494/1168 cut-off events. For 59375/59387 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7718 event pairs, 6 based on Foata normal form. 15/1026 useless extension candidates. Maximal degree in co-relation 13082. Up to 556 conditions per place. [2021-03-26 05:20:31,642 INFO L132 encePairwiseOnDemand]: 117/133 looper letters, 290 selfloop transitions, 174 changer transitions 33/515 dead transitions. [2021-03-26 05:20:31,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 515 transitions, 15029 flow [2021-03-26 05:20:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:20:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:20:31,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 05:20:31,643 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40775014459224984 [2021-03-26 05:20:31,643 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 05:20:31,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 05:20:31,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:31,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 05:20:31,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:31,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 133.0) internal successors, (1862), 14 states have internal predecessors, (1862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:31,645 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 133.0) internal successors, (1862), 14 states have internal predecessors, (1862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:31,645 INFO L185 Difference]: Start difference. First operand has 496 places, 505 transitions, 13845 flow. Second operand 13 states and 705 transitions. [2021-03-26 05:20:31,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 515 transitions, 15029 flow [2021-03-26 05:20:32,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 515 transitions, 14190 flow, removed 123 selfloop flow, removed 20 redundant places. [2021-03-26 05:20:32,046 INFO L241 Difference]: Finished difference. Result has 491 places, 474 transitions, 12793 flow [2021-03-26 05:20:32,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=13006, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=12793, PETRI_PLACES=491, PETRI_TRANSITIONS=474} [2021-03-26 05:20:32,046 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 438 predicate places. [2021-03-26 05:20:32,047 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:32,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 474 transitions, 12793 flow [2021-03-26 05:20:32,047 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 474 transitions, 12793 flow [2021-03-26 05:20:32,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 478 places, 474 transitions, 12793 flow [2021-03-26 05:20:32,185 INFO L129 PetriNetUnfolder]: 394/962 cut-off events. [2021-03-26 05:20:32,185 INFO L130 PetriNetUnfolder]: For 51640/51695 co-relation queries the response was YES. [2021-03-26 05:20:32,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10835 conditions, 962 events. 394/962 cut-off events. For 51640/51695 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6299 event pairs, 8 based on Foata normal form. 8/841 useless extension candidates. Maximal degree in co-relation 10643. Up to 209 conditions per place. [2021-03-26 05:20:32,206 INFO L142 LiptonReduction]: Number of co-enabled transitions 1658 [2021-03-26 05:20:32,233 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:32,233 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:32,233 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-26 05:20:32,233 INFO L480 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 12793 flow [2021-03-26 05:20:32,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:32,234 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:32,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:32,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-03-26 05:20:32,234 INFO L428 AbstractCegarLoop]: === Iteration 211 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:32,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:32,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1755723272, now seen corresponding path program 82 times [2021-03-26 05:20:32,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:32,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343717237] [2021-03-26 05:20:32,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:32,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:32,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:32,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:32,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:32,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:32,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:32,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:32,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:32,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:32,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:32,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:32,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:32,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:32,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:32,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:32,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:32,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:32,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:32,312 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:20:32,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:32,326 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:32,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:32,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343717237] [2021-03-26 05:20:32,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:32,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:32,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737744891] [2021-03-26 05:20:32,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:32,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:32,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:32,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:32,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 05:20:32,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 12793 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:32,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:32,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 05:20:32,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:32,940 INFO L129 PetriNetUnfolder]: 461/1067 cut-off events. [2021-03-26 05:20:32,940 INFO L130 PetriNetUnfolder]: For 56499/56503 co-relation queries the response was YES. [2021-03-26 05:20:32,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12587 conditions, 1067 events. 461/1067 cut-off events. For 56499/56503 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6752 event pairs, 14 based on Foata normal form. 5/939 useless extension candidates. Maximal degree in co-relation 12393. Up to 577 conditions per place. [2021-03-26 05:20:32,958 INFO L132 encePairwiseOnDemand]: 116/133 looper letters, 341 selfloop transitions, 112 changer transitions 17/488 dead transitions. [2021-03-26 05:20:32,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 488 transitions, 13940 flow [2021-03-26 05:20:32,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:20:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:20:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 909 transitions. [2021-03-26 05:20:32,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40203449800973023 [2021-03-26 05:20:32,959 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 909 transitions. [2021-03-26 05:20:32,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 909 transitions. [2021-03-26 05:20:32,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:32,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 909 transitions. [2021-03-26 05:20:32,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.470588235294116) internal successors, (909), 17 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:32,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 133.0) internal successors, (2394), 18 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:32,961 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 133.0) internal successors, (2394), 18 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:32,961 INFO L185 Difference]: Start difference. First operand has 478 places, 474 transitions, 12793 flow. Second operand 17 states and 909 transitions. [2021-03-26 05:20:32,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 488 transitions, 13940 flow [2021-03-26 05:20:33,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 488 transitions, 13302 flow, removed 54 selfloop flow, removed 25 redundant places. [2021-03-26 05:20:33,357 INFO L241 Difference]: Finished difference. Result has 472 places, 459 transitions, 11753 flow [2021-03-26 05:20:33,357 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=12155, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11753, PETRI_PLACES=472, PETRI_TRANSITIONS=459} [2021-03-26 05:20:33,357 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 419 predicate places. [2021-03-26 05:20:33,357 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:33,357 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 459 transitions, 11753 flow [2021-03-26 05:20:33,358 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 459 transitions, 11753 flow [2021-03-26 05:20:33,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 459 transitions, 11753 flow [2021-03-26 05:20:33,542 INFO L129 PetriNetUnfolder]: 388/949 cut-off events. [2021-03-26 05:20:33,542 INFO L130 PetriNetUnfolder]: For 48497/48553 co-relation queries the response was YES. [2021-03-26 05:20:33,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10202 conditions, 949 events. 388/949 cut-off events. For 48497/48553 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6179 event pairs, 9 based on Foata normal form. 8/828 useless extension candidates. Maximal degree in co-relation 10018. Up to 207 conditions per place. [2021-03-26 05:20:33,565 INFO L142 LiptonReduction]: Number of co-enabled transitions 1650 [2021-03-26 05:20:33,649 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:33,649 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:20:33,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 292 [2021-03-26 05:20:33,649 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 459 transitions, 11751 flow [2021-03-26 05:20:33,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:33,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:33,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:33,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-03-26 05:20:33,649 INFO L428 AbstractCegarLoop]: === Iteration 212 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:33,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:33,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1257547674, now seen corresponding path program 83 times [2021-03-26 05:20:33,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:33,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068913568] [2021-03-26 05:20:33,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:33,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:33,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:33,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:33,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:33,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:33,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:33,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:33,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:33,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:33,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:33,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:33,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:33,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:33,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:33,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:33,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:33,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:33,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:33,745 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:33,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:33,759 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:33,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:33,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068913568] [2021-03-26 05:20:33,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:33,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:33,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431708243] [2021-03-26 05:20:33,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:33,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:33,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:33,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:33,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 134 [2021-03-26 05:20:33,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 459 transitions, 11751 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:33,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:33,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 134 [2021-03-26 05:20:33,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:34,373 INFO L129 PetriNetUnfolder]: 456/1052 cut-off events. [2021-03-26 05:20:34,373 INFO L130 PetriNetUnfolder]: For 53127/53133 co-relation queries the response was YES. [2021-03-26 05:20:34,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11885 conditions, 1052 events. 456/1052 cut-off events. For 53127/53133 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6661 event pairs, 6 based on Foata normal form. 7/925 useless extension candidates. Maximal degree in co-relation 11699. Up to 592 conditions per place. [2021-03-26 05:20:34,390 INFO L132 encePairwiseOnDemand]: 116/134 looper letters, 364 selfloop transitions, 83 changer transitions 6/471 dead transitions. [2021-03-26 05:20:34,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 471 transitions, 12748 flow [2021-03-26 05:20:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:20:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:20:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 852 transitions. [2021-03-26 05:20:34,392 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39738805970149255 [2021-03-26 05:20:34,392 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 852 transitions. [2021-03-26 05:20:34,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 852 transitions. [2021-03-26 05:20:34,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:34,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 852 transitions. [2021-03-26 05:20:34,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.25) internal successors, (852), 16 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:34,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 134.0) internal successors, (2278), 17 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:34,393 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 134.0) internal successors, (2278), 17 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:34,393 INFO L185 Difference]: Start difference. First operand has 468 places, 459 transitions, 11751 flow. Second operand 16 states and 852 transitions. [2021-03-26 05:20:34,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 471 transitions, 12748 flow [2021-03-26 05:20:34,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 471 transitions, 11967 flow, removed 172 selfloop flow, removed 33 redundant places. [2021-03-26 05:20:34,757 INFO L241 Difference]: Finished difference. Result has 452 places, 454 transitions, 10998 flow [2021-03-26 05:20:34,757 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=10972, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10998, PETRI_PLACES=452, PETRI_TRANSITIONS=454} [2021-03-26 05:20:34,758 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 399 predicate places. [2021-03-26 05:20:34,758 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:34,758 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 454 transitions, 10998 flow [2021-03-26 05:20:34,758 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 454 transitions, 10998 flow [2021-03-26 05:20:34,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 449 places, 454 transitions, 10998 flow [2021-03-26 05:20:34,896 INFO L129 PetriNetUnfolder]: 382/924 cut-off events. [2021-03-26 05:20:34,896 INFO L130 PetriNetUnfolder]: For 44588/44650 co-relation queries the response was YES. [2021-03-26 05:20:34,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9657 conditions, 924 events. 382/924 cut-off events. For 44588/44650 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6058 event pairs, 14 based on Foata normal form. 9/813 useless extension candidates. Maximal degree in co-relation 9469. Up to 199 conditions per place. [2021-03-26 05:20:34,917 INFO L142 LiptonReduction]: Number of co-enabled transitions 1626 [2021-03-26 05:20:34,940 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:34,940 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:34,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 183 [2021-03-26 05:20:34,941 INFO L480 AbstractCegarLoop]: Abstraction has has 449 places, 454 transitions, 10998 flow [2021-03-26 05:20:34,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:34,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:34,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:34,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-03-26 05:20:34,941 INFO L428 AbstractCegarLoop]: === Iteration 213 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:34,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:34,941 INFO L82 PathProgramCache]: Analyzing trace with hash 981322420, now seen corresponding path program 1 times [2021-03-26 05:20:34,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:34,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014801179] [2021-03-26 05:20:34,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:34,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:34,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:34,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:34,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:34,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:34,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:34,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:34,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:34,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:34,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:34,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:35,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:35,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:35,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:35,024 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:35,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:35,038 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:35,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:35,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014801179] [2021-03-26 05:20:35,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:35,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:35,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708944815] [2021-03-26 05:20:35,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:35,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:35,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:35,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:35,042 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 134 [2021-03-26 05:20:35,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 454 transitions, 10998 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:35,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:35,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 134 [2021-03-26 05:20:35,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:35,471 INFO L129 PetriNetUnfolder]: 460/1071 cut-off events. [2021-03-26 05:20:35,471 INFO L130 PetriNetUnfolder]: For 49897/49909 co-relation queries the response was YES. [2021-03-26 05:20:35,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11457 conditions, 1071 events. 460/1071 cut-off events. For 49897/49909 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 6885 event pairs, 5 based on Foata normal form. 13/943 useless extension candidates. Maximal degree in co-relation 11252. Up to 627 conditions per place. [2021-03-26 05:20:35,489 INFO L132 encePairwiseOnDemand]: 118/134 looper letters, 407 selfloop transitions, 36 changer transitions 5/466 dead transitions. [2021-03-26 05:20:35,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 466 transitions, 12032 flow [2021-03-26 05:20:35,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:20:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:20:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 633 transitions. [2021-03-26 05:20:35,490 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39365671641791045 [2021-03-26 05:20:35,490 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 633 transitions. [2021-03-26 05:20:35,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 633 transitions. [2021-03-26 05:20:35,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:35,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 633 transitions. [2021-03-26 05:20:35,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.75) internal successors, (633), 12 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:35,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 134.0) internal successors, (1742), 13 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:35,491 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 134.0) internal successors, (1742), 13 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:35,491 INFO L185 Difference]: Start difference. First operand has 449 places, 454 transitions, 10998 flow. Second operand 12 states and 633 transitions. [2021-03-26 05:20:35,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 466 transitions, 12032 flow [2021-03-26 05:20:35,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 466 transitions, 11754 flow, removed 8 selfloop flow, removed 21 redundant places. [2021-03-26 05:20:35,812 INFO L241 Difference]: Finished difference. Result has 442 places, 454 transitions, 10795 flow [2021-03-26 05:20:35,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=10724, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10795, PETRI_PLACES=442, PETRI_TRANSITIONS=454} [2021-03-26 05:20:35,812 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 389 predicate places. [2021-03-26 05:20:35,812 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:35,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 442 places, 454 transitions, 10795 flow [2021-03-26 05:20:35,813 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 442 places, 454 transitions, 10795 flow [2021-03-26 05:20:35,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 441 places, 454 transitions, 10795 flow [2021-03-26 05:20:35,941 INFO L129 PetriNetUnfolder]: 383/945 cut-off events. [2021-03-26 05:20:35,941 INFO L130 PetriNetUnfolder]: For 41146/41202 co-relation queries the response was YES. [2021-03-26 05:20:35,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9602 conditions, 945 events. 383/945 cut-off events. For 41146/41202 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6210 event pairs, 14 based on Foata normal form. 8/826 useless extension candidates. Maximal degree in co-relation 9407. Up to 198 conditions per place. [2021-03-26 05:20:35,963 INFO L142 LiptonReduction]: Number of co-enabled transitions 1640 [2021-03-26 05:20:35,987 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:35,987 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:35,987 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 175 [2021-03-26 05:20:35,988 INFO L480 AbstractCegarLoop]: Abstraction has has 441 places, 454 transitions, 10795 flow [2021-03-26 05:20:35,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:35,988 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:35,988 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:35,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-03-26 05:20:35,988 INFO L428 AbstractCegarLoop]: === Iteration 214 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:35,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:35,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1877448890, now seen corresponding path program 2 times [2021-03-26 05:20:35,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:35,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848917127] [2021-03-26 05:20:35,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:36,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:36,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:36,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:36,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:36,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:36,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:36,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:36,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:36,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:36,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:36,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:36,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:36,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:36,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:36,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:36,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:36,100 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:36,115 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:36,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:36,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848917127] [2021-03-26 05:20:36,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:36,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:36,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356141200] [2021-03-26 05:20:36,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:36,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:36,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:36,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:36,118 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 134 [2021-03-26 05:20:36,119 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 454 transitions, 10795 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:36,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:36,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 134 [2021-03-26 05:20:36,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:36,656 INFO L129 PetriNetUnfolder]: 449/1038 cut-off events. [2021-03-26 05:20:36,657 INFO L130 PetriNetUnfolder]: For 46896/46900 co-relation queries the response was YES. [2021-03-26 05:20:36,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11217 conditions, 1038 events. 449/1038 cut-off events. For 46896/46900 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6503 event pairs, 6 based on Foata normal form. 6/913 useless extension candidates. Maximal degree in co-relation 11031. Up to 591 conditions per place. [2021-03-26 05:20:36,673 INFO L132 encePairwiseOnDemand]: 117/134 looper letters, 354 selfloop transitions, 85 changer transitions 5/462 dead transitions. [2021-03-26 05:20:36,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 462 transitions, 11731 flow [2021-03-26 05:20:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:20:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:20:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 647 transitions. [2021-03-26 05:20:36,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.402363184079602 [2021-03-26 05:20:36,676 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 647 transitions. [2021-03-26 05:20:36,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 647 transitions. [2021-03-26 05:20:36,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:36,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 647 transitions. [2021-03-26 05:20:36,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.916666666666664) internal successors, (647), 12 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:36,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 134.0) internal successors, (1742), 13 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:36,677 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 134.0) internal successors, (1742), 13 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:36,677 INFO L185 Difference]: Start difference. First operand has 441 places, 454 transitions, 10795 flow. Second operand 12 states and 647 transitions. [2021-03-26 05:20:36,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 462 transitions, 11731 flow [2021-03-26 05:20:36,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 462 transitions, 11647 flow, removed 7 selfloop flow, removed 10 redundant places. [2021-03-26 05:20:36,991 INFO L241 Difference]: Finished difference. Result has 443 places, 449 transitions, 10882 flow [2021-03-26 05:20:36,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=10711, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10882, PETRI_PLACES=443, PETRI_TRANSITIONS=449} [2021-03-26 05:20:36,991 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 390 predicate places. [2021-03-26 05:20:36,991 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:36,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 443 places, 449 transitions, 10882 flow [2021-03-26 05:20:36,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 443 places, 449 transitions, 10882 flow [2021-03-26 05:20:36,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 440 places, 449 transitions, 10882 flow [2021-03-26 05:20:37,120 INFO L129 PetriNetUnfolder]: 387/941 cut-off events. [2021-03-26 05:20:37,120 INFO L130 PetriNetUnfolder]: For 44393/44447 co-relation queries the response was YES. [2021-03-26 05:20:37,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9908 conditions, 941 events. 387/941 cut-off events. For 44393/44447 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6058 event pairs, 4 based on Foata normal form. 8/824 useless extension candidates. Maximal degree in co-relation 9732. Up to 202 conditions per place. [2021-03-26 05:20:37,141 INFO L142 LiptonReduction]: Number of co-enabled transitions 1606 [2021-03-26 05:20:37,165 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:37,165 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:37,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 175 [2021-03-26 05:20:37,166 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 449 transitions, 10882 flow [2021-03-26 05:20:37,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:37,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:37,166 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:37,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-03-26 05:20:37,166 INFO L428 AbstractCegarLoop]: === Iteration 215 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:37,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:37,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1456732080, now seen corresponding path program 3 times [2021-03-26 05:20:37,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:37,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574951258] [2021-03-26 05:20:37,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:37,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:37,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:37,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:37,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:37,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:37,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:37,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:37,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:37,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:37,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:37,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:37,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:37,240 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:20:37,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:20:37,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:37,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:37,266 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:37,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574951258] [2021-03-26 05:20:37,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:37,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:37,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874042160] [2021-03-26 05:20:37,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:37,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:37,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:37,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:37,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 134 [2021-03-26 05:20:37,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 449 transitions, 10882 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:37,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:37,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 134 [2021-03-26 05:20:37,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:37,699 INFO L129 PetriNetUnfolder]: 443/1020 cut-off events. [2021-03-26 05:20:37,699 INFO L130 PetriNetUnfolder]: For 46608/46614 co-relation queries the response was YES. [2021-03-26 05:20:37,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11269 conditions, 1020 events. 443/1020 cut-off events. For 46608/46614 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6368 event pairs, 6 based on Foata normal form. 7/901 useless extension candidates. Maximal degree in co-relation 11091. Up to 623 conditions per place. [2021-03-26 05:20:37,746 INFO L132 encePairwiseOnDemand]: 118/134 looper letters, 403 selfloop transitions, 31 changer transitions 4/456 dead transitions. [2021-03-26 05:20:37,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 456 transitions, 11816 flow [2021-03-26 05:20:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:20:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:20:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 677 transitions. [2021-03-26 05:20:37,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3886337543053961 [2021-03-26 05:20:37,747 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 677 transitions. [2021-03-26 05:20:37,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 677 transitions. [2021-03-26 05:20:37,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:37,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 677 transitions. [2021-03-26 05:20:37,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.07692307692308) internal successors, (677), 13 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:37,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 134.0) internal successors, (1876), 14 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:37,749 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 134.0) internal successors, (1876), 14 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:37,749 INFO L185 Difference]: Start difference. First operand has 440 places, 449 transitions, 10882 flow. Second operand 13 states and 677 transitions. [2021-03-26 05:20:37,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 456 transitions, 11816 flow [2021-03-26 05:20:38,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 456 transitions, 11604 flow, removed 5 selfloop flow, removed 12 redundant places. [2021-03-26 05:20:38,065 INFO L241 Difference]: Finished difference. Result has 442 places, 446 transitions, 10658 flow [2021-03-26 05:20:38,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=10670, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10658, PETRI_PLACES=442, PETRI_TRANSITIONS=446} [2021-03-26 05:20:38,066 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 389 predicate places. [2021-03-26 05:20:38,066 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:38,066 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 442 places, 446 transitions, 10658 flow [2021-03-26 05:20:38,066 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 442 places, 446 transitions, 10658 flow [2021-03-26 05:20:38,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 436 places, 446 transitions, 10658 flow [2021-03-26 05:20:38,187 INFO L129 PetriNetUnfolder]: 374/910 cut-off events. [2021-03-26 05:20:38,187 INFO L130 PetriNetUnfolder]: For 42207/42265 co-relation queries the response was YES. [2021-03-26 05:20:38,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9475 conditions, 910 events. 374/910 cut-off events. For 42207/42265 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 5773 event pairs, 7 based on Foata normal form. 10/800 useless extension candidates. Maximal degree in co-relation 9293. Up to 198 conditions per place. [2021-03-26 05:20:38,208 INFO L142 LiptonReduction]: Number of co-enabled transitions 1606 [2021-03-26 05:20:38,232 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:38,232 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:38,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 166 [2021-03-26 05:20:38,232 INFO L480 AbstractCegarLoop]: Abstraction has has 436 places, 446 transitions, 10658 flow [2021-03-26 05:20:38,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:38,232 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:38,232 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:38,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-03-26 05:20:38,232 INFO L428 AbstractCegarLoop]: === Iteration 216 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:38,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:38,233 INFO L82 PathProgramCache]: Analyzing trace with hash 976130698, now seen corresponding path program 84 times [2021-03-26 05:20:38,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:38,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306647254] [2021-03-26 05:20:38,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:38,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:38,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:38,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:38,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:38,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:38,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:38,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:38,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:38,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:38,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:38,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:38,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:38,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:38,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:38,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:38,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:38,313 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:20:38,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:20:38,327 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:38,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:38,342 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:38,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:38,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306647254] [2021-03-26 05:20:38,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:38,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:38,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107914726] [2021-03-26 05:20:38,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:38,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:38,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:38,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:38,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 134 [2021-03-26 05:20:38,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 446 transitions, 10658 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:38,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:38,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 134 [2021-03-26 05:20:38,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:38,936 INFO L129 PetriNetUnfolder]: 447/1028 cut-off events. [2021-03-26 05:20:38,936 INFO L130 PetriNetUnfolder]: For 48625/48635 co-relation queries the response was YES. [2021-03-26 05:20:38,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11119 conditions, 1028 events. 447/1028 cut-off events. For 48625/48635 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6410 event pairs, 13 based on Foata normal form. 11/908 useless extension candidates. Maximal degree in co-relation 10935. Up to 583 conditions per place. [2021-03-26 05:20:38,953 INFO L132 encePairwiseOnDemand]: 117/134 looper letters, 358 selfloop transitions, 67 changer transitions 13/456 dead transitions. [2021-03-26 05:20:38,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 456 transitions, 11616 flow [2021-03-26 05:20:38,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:20:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:20:38,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 895 transitions. [2021-03-26 05:20:38,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3928884986830553 [2021-03-26 05:20:38,954 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 895 transitions. [2021-03-26 05:20:38,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 895 transitions. [2021-03-26 05:20:38,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:38,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 895 transitions. [2021-03-26 05:20:38,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 52.64705882352941) internal successors, (895), 17 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:38,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 134.0) internal successors, (2412), 18 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:38,956 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 134.0) internal successors, (2412), 18 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:38,956 INFO L185 Difference]: Start difference. First operand has 436 places, 446 transitions, 10658 flow. Second operand 17 states and 895 transitions. [2021-03-26 05:20:38,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 456 transitions, 11616 flow [2021-03-26 05:20:39,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 456 transitions, 11478 flow, removed 12 selfloop flow, removed 13 redundant places. [2021-03-26 05:20:39,265 INFO L241 Difference]: Finished difference. Result has 440 places, 433 transitions, 10082 flow [2021-03-26 05:20:39,266 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=10520, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=10082, PETRI_PLACES=440, PETRI_TRANSITIONS=433} [2021-03-26 05:20:39,266 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 387 predicate places. [2021-03-26 05:20:39,266 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:39,266 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 433 transitions, 10082 flow [2021-03-26 05:20:39,266 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 433 transitions, 10082 flow [2021-03-26 05:20:39,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 433 transitions, 10082 flow [2021-03-26 05:20:39,387 INFO L129 PetriNetUnfolder]: 372/903 cut-off events. [2021-03-26 05:20:39,387 INFO L130 PetriNetUnfolder]: For 40679/40733 co-relation queries the response was YES. [2021-03-26 05:20:39,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9129 conditions, 903 events. 372/903 cut-off events. For 40679/40733 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5728 event pairs, 6 based on Foata normal form. 9/791 useless extension candidates. Maximal degree in co-relation 8939. Up to 196 conditions per place. [2021-03-26 05:20:39,406 INFO L142 LiptonReduction]: Number of co-enabled transitions 1592 [2021-03-26 05:20:39,429 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:39,429 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:39,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 163 [2021-03-26 05:20:39,430 INFO L480 AbstractCegarLoop]: Abstraction has has 437 places, 433 transitions, 10082 flow [2021-03-26 05:20:39,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:39,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:39,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:39,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-03-26 05:20:39,430 INFO L428 AbstractCegarLoop]: === Iteration 217 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:39,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:39,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1857044130, now seen corresponding path program 85 times [2021-03-26 05:20:39,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:39,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815166718] [2021-03-26 05:20:39,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:39,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:39,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:39,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:39,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:39,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:39,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:39,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:39,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:39,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:39,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:39,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:39,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:20:39,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:39,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:39,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:39,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:39,521 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:20:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:39,536 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:39,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:39,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815166718] [2021-03-26 05:20:39,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:39,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:39,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389722868] [2021-03-26 05:20:39,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:39,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:39,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:39,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:39,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 134 [2021-03-26 05:20:39,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 433 transitions, 10082 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:39,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:39,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 134 [2021-03-26 05:20:39,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:40,133 INFO L129 PetriNetUnfolder]: 433/990 cut-off events. [2021-03-26 05:20:40,133 INFO L130 PetriNetUnfolder]: For 45316/45320 co-relation queries the response was YES. [2021-03-26 05:20:40,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10724 conditions, 990 events. 433/990 cut-off events. For 45316/45320 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 6080 event pairs, 15 based on Foata normal form. 5/874 useless extension candidates. Maximal degree in co-relation 10526. Up to 553 conditions per place. [2021-03-26 05:20:40,149 INFO L132 encePairwiseOnDemand]: 117/134 looper letters, 324 selfloop transitions, 90 changer transitions 13/445 dead transitions. [2021-03-26 05:20:40,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 445 transitions, 11036 flow [2021-03-26 05:20:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 05:20:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 05:20:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 948 transitions. [2021-03-26 05:20:40,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39303482587064675 [2021-03-26 05:20:40,151 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 948 transitions. [2021-03-26 05:20:40,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 948 transitions. [2021-03-26 05:20:40,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:40,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 948 transitions. [2021-03-26 05:20:40,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 52.666666666666664) internal successors, (948), 18 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:40,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 134.0) internal successors, (2546), 19 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:40,153 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 134.0) internal successors, (2546), 19 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:40,153 INFO L185 Difference]: Start difference. First operand has 437 places, 433 transitions, 10082 flow. Second operand 18 states and 948 transitions. [2021-03-26 05:20:40,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 445 transitions, 11036 flow [2021-03-26 05:20:40,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 445 transitions, 10753 flow, removed 1 selfloop flow, removed 32 redundant places. [2021-03-26 05:20:40,454 INFO L241 Difference]: Finished difference. Result has 423 places, 421 transitions, 9629 flow [2021-03-26 05:20:40,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=9799, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=9629, PETRI_PLACES=423, PETRI_TRANSITIONS=421} [2021-03-26 05:20:40,454 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 370 predicate places. [2021-03-26 05:20:40,454 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:40,454 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 421 transitions, 9629 flow [2021-03-26 05:20:40,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 421 transitions, 9629 flow [2021-03-26 05:20:40,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 415 places, 421 transitions, 9629 flow [2021-03-26 05:20:40,569 INFO L129 PetriNetUnfolder]: 365/875 cut-off events. [2021-03-26 05:20:40,569 INFO L130 PetriNetUnfolder]: For 40270/40324 co-relation queries the response was YES. [2021-03-26 05:20:40,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8860 conditions, 875 events. 365/875 cut-off events. For 40270/40324 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5483 event pairs, 4 based on Foata normal form. 7/765 useless extension candidates. Maximal degree in co-relation 8672. Up to 195 conditions per place. [2021-03-26 05:20:40,588 INFO L142 LiptonReduction]: Number of co-enabled transitions 1546 [2021-03-26 05:20:40,662 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:40,662 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:20:40,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 208 [2021-03-26 05:20:40,663 INFO L480 AbstractCegarLoop]: Abstraction has has 414 places, 420 transitions, 9601 flow [2021-03-26 05:20:40,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:40,663 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:40,663 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:40,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-03-26 05:20:40,663 INFO L428 AbstractCegarLoop]: === Iteration 218 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:40,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:40,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1397949429, now seen corresponding path program 1 times [2021-03-26 05:20:40,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:40,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446453075] [2021-03-26 05:20:40,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:40,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:40,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:40,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:40,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:40,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:40,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:40,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:40,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:40,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:40,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:40,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:40,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:40,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:40,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:40,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:40,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:40,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:40,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:40,741 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:40,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:40,754 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:40,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:40,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446453075] [2021-03-26 05:20:40,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:40,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:40,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282923456] [2021-03-26 05:20:40,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:40,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:40,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:40,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:40,757 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 135 [2021-03-26 05:20:40,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 420 transitions, 9601 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:40,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:40,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 135 [2021-03-26 05:20:40,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:41,321 INFO L129 PetriNetUnfolder]: 440/1004 cut-off events. [2021-03-26 05:20:41,321 INFO L130 PetriNetUnfolder]: For 47716/47726 co-relation queries the response was YES. [2021-03-26 05:20:41,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10654 conditions, 1004 events. 440/1004 cut-off events. For 47716/47726 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6287 event pairs, 4 based on Foata normal form. 11/886 useless extension candidates. Maximal degree in co-relation 10458. Up to 559 conditions per place. [2021-03-26 05:20:41,337 INFO L132 encePairwiseOnDemand]: 119/135 looper letters, 352 selfloop transitions, 75 changer transitions 0/445 dead transitions. [2021-03-26 05:20:41,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 445 transitions, 10959 flow [2021-03-26 05:20:41,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:20:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:20:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 807 transitions. [2021-03-26 05:20:41,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3985185185185185 [2021-03-26 05:20:41,338 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 807 transitions. [2021-03-26 05:20:41,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 807 transitions. [2021-03-26 05:20:41,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:41,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 807 transitions. [2021-03-26 05:20:41,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.8) internal successors, (807), 15 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:41,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 135.0) internal successors, (2160), 16 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:41,340 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 135.0) internal successors, (2160), 16 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:41,340 INFO L185 Difference]: Start difference. First operand has 414 places, 420 transitions, 9601 flow. Second operand 15 states and 807 transitions. [2021-03-26 05:20:41,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 445 transitions, 10959 flow [2021-03-26 05:20:41,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 445 transitions, 10388 flow, removed 95 selfloop flow, removed 28 redundant places. [2021-03-26 05:20:41,636 INFO L241 Difference]: Finished difference. Result has 406 places, 430 transitions, 9650 flow [2021-03-26 05:20:41,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=9065, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9650, PETRI_PLACES=406, PETRI_TRANSITIONS=430} [2021-03-26 05:20:41,637 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 353 predicate places. [2021-03-26 05:20:41,637 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:41,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 430 transitions, 9650 flow [2021-03-26 05:20:41,637 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 430 transitions, 9650 flow [2021-03-26 05:20:41,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 430 transitions, 9650 flow [2021-03-26 05:20:41,762 INFO L129 PetriNetUnfolder]: 389/939 cut-off events. [2021-03-26 05:20:41,762 INFO L130 PetriNetUnfolder]: For 43963/43965 co-relation queries the response was YES. [2021-03-26 05:20:41,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9518 conditions, 939 events. 389/939 cut-off events. For 43963/43965 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5986 event pairs, 6 based on Foata normal form. 1/820 useless extension candidates. Maximal degree in co-relation 9330. Up to 217 conditions per place. [2021-03-26 05:20:41,783 INFO L142 LiptonReduction]: Number of co-enabled transitions 1676 [2021-03-26 05:20:41,805 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:41,805 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:41,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-26 05:20:41,806 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 430 transitions, 9650 flow [2021-03-26 05:20:41,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:41,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:41,806 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:41,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-03-26 05:20:41,806 INFO L428 AbstractCegarLoop]: === Iteration 219 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:41,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:41,806 INFO L82 PathProgramCache]: Analyzing trace with hash 193422347, now seen corresponding path program 1 times [2021-03-26 05:20:41,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:41,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330676446] [2021-03-26 05:20:41,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:41,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:41,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:41,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:41,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:41,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:41,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:41,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:41,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:41,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:41,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:41,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:41,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:41,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:41,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:41,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:41,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:41,898 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:20:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:41,916 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:41,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:41,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330676446] [2021-03-26 05:20:41,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:41,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:41,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250073078] [2021-03-26 05:20:41,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:41,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:41,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:41,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:41,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 135 [2021-03-26 05:20:41,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 430 transitions, 9650 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:41,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:41,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 135 [2021-03-26 05:20:41,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:42,329 INFO L129 PetriNetUnfolder]: 437/1016 cut-off events. [2021-03-26 05:20:42,329 INFO L130 PetriNetUnfolder]: For 45452/45458 co-relation queries the response was YES. [2021-03-26 05:20:42,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10550 conditions, 1016 events. 437/1016 cut-off events. For 45452/45458 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 6395 event pairs, 8 based on Foata normal form. 7/896 useless extension candidates. Maximal degree in co-relation 10354. Up to 612 conditions per place. [2021-03-26 05:20:42,345 INFO L132 encePairwiseOnDemand]: 122/135 looper letters, 387 selfloop transitions, 24 changer transitions 7/436 dead transitions. [2021-03-26 05:20:42,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 436 transitions, 10563 flow [2021-03-26 05:20:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:20:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:20:42,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 623 transitions. [2021-03-26 05:20:42,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3845679012345679 [2021-03-26 05:20:42,346 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 623 transitions. [2021-03-26 05:20:42,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 623 transitions. [2021-03-26 05:20:42,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:42,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 623 transitions. [2021-03-26 05:20:42,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 51.916666666666664) internal successors, (623), 12 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:42,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 135.0) internal successors, (1755), 13 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:42,347 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 135.0) internal successors, (1755), 13 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:42,347 INFO L185 Difference]: Start difference. First operand has 406 places, 430 transitions, 9650 flow. Second operand 12 states and 623 transitions. [2021-03-26 05:20:42,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 436 transitions, 10563 flow [2021-03-26 05:20:42,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 436 transitions, 10007 flow, removed 237 selfloop flow, removed 10 redundant places. [2021-03-26 05:20:42,631 INFO L241 Difference]: Finished difference. Result has 409 places, 424 transitions, 9066 flow [2021-03-26 05:20:42,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=9094, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9066, PETRI_PLACES=409, PETRI_TRANSITIONS=424} [2021-03-26 05:20:42,631 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 356 predicate places. [2021-03-26 05:20:42,631 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:42,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 409 places, 424 transitions, 9066 flow [2021-03-26 05:20:42,632 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 409 places, 424 transitions, 9066 flow [2021-03-26 05:20:42,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 407 places, 424 transitions, 9066 flow [2021-03-26 05:20:42,746 INFO L129 PetriNetUnfolder]: 362/880 cut-off events. [2021-03-26 05:20:42,746 INFO L130 PetriNetUnfolder]: For 36896/36951 co-relation queries the response was YES. [2021-03-26 05:20:42,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8606 conditions, 880 events. 362/880 cut-off events. For 36896/36951 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5605 event pairs, 4 based on Foata normal form. 9/776 useless extension candidates. Maximal degree in co-relation 8417. Up to 205 conditions per place. [2021-03-26 05:20:42,765 INFO L142 LiptonReduction]: Number of co-enabled transitions 1630 [2021-03-26 05:20:42,786 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:42,787 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:42,787 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-03-26 05:20:42,787 INFO L480 AbstractCegarLoop]: Abstraction has has 407 places, 424 transitions, 9066 flow [2021-03-26 05:20:42,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:42,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:42,787 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:42,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-03-26 05:20:42,787 INFO L428 AbstractCegarLoop]: === Iteration 220 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:42,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:42,787 INFO L82 PathProgramCache]: Analyzing trace with hash 601713059, now seen corresponding path program 2 times [2021-03-26 05:20:42,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:42,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67025060] [2021-03-26 05:20:42,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:42,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:42,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:42,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:42,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:42,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:42,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:42,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:42,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:42,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:42,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:42,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:42,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:42,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:42,877 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:42,883 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:42,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:42,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67025060] [2021-03-26 05:20:42,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:42,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:20:42,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772374420] [2021-03-26 05:20:42,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:20:42,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:42,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:20:42,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:20:42,886 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 135 [2021-03-26 05:20:42,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 424 transitions, 9066 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:42,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:42,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 135 [2021-03-26 05:20:42,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:43,279 INFO L129 PetriNetUnfolder]: 427/979 cut-off events. [2021-03-26 05:20:43,279 INFO L130 PetriNetUnfolder]: For 39533/39537 co-relation queries the response was YES. [2021-03-26 05:20:43,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10000 conditions, 979 events. 427/979 cut-off events. For 39533/39537 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6034 event pairs, 14 based on Foata normal form. 5/864 useless extension candidates. Maximal degree in co-relation 9805. Up to 607 conditions per place. [2021-03-26 05:20:43,293 INFO L132 encePairwiseOnDemand]: 121/135 looper letters, 375 selfloop transitions, 35 changer transitions 0/428 dead transitions. [2021-03-26 05:20:43,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 428 transitions, 9910 flow [2021-03-26 05:20:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:20:43,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:20:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 581 transitions. [2021-03-26 05:20:43,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39124579124579123 [2021-03-26 05:20:43,295 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 581 transitions. [2021-03-26 05:20:43,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 581 transitions. [2021-03-26 05:20:43,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:43,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 581 transitions. [2021-03-26 05:20:43,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 52.81818181818182) internal successors, (581), 11 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:43,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 135.0) internal successors, (1620), 12 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:43,296 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 135.0) internal successors, (1620), 12 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:43,296 INFO L185 Difference]: Start difference. First operand has 407 places, 424 transitions, 9066 flow. Second operand 11 states and 581 transitions. [2021-03-26 05:20:43,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 428 transitions, 9910 flow [2021-03-26 05:20:43,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 428 transitions, 9804 flow, removed 6 selfloop flow, removed 16 redundant places. [2021-03-26 05:20:43,584 INFO L241 Difference]: Finished difference. Result has 402 places, 424 transitions, 9046 flow [2021-03-26 05:20:43,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=8960, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9046, PETRI_PLACES=402, PETRI_TRANSITIONS=424} [2021-03-26 05:20:43,584 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 349 predicate places. [2021-03-26 05:20:43,584 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:43,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 424 transitions, 9046 flow [2021-03-26 05:20:43,584 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 424 transitions, 9046 flow [2021-03-26 05:20:43,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 402 places, 424 transitions, 9046 flow [2021-03-26 05:20:43,696 INFO L129 PetriNetUnfolder]: 367/884 cut-off events. [2021-03-26 05:20:43,696 INFO L130 PetriNetUnfolder]: For 38423/38477 co-relation queries the response was YES. [2021-03-26 05:20:43,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8570 conditions, 884 events. 367/884 cut-off events. For 38423/38477 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5665 event pairs, 4 based on Foata normal form. 7/776 useless extension candidates. Maximal degree in co-relation 8385. Up to 206 conditions per place. [2021-03-26 05:20:43,714 INFO L142 LiptonReduction]: Number of co-enabled transitions 1630 [2021-03-26 05:20:43,735 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:43,736 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:43,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-03-26 05:20:43,736 INFO L480 AbstractCegarLoop]: Abstraction has has 402 places, 424 transitions, 9046 flow [2021-03-26 05:20:43,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:43,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:43,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:43,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-03-26 05:20:43,736 INFO L428 AbstractCegarLoop]: === Iteration 221 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:43,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:43,737 INFO L82 PathProgramCache]: Analyzing trace with hash -423429391, now seen corresponding path program 3 times [2021-03-26 05:20:43,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:43,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622621645] [2021-03-26 05:20:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:43,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:43,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:43,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:43,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:43,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:43,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:43,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:43,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:43,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:43,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:43,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:43,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:43,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:43,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:43,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:43,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:43,816 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:43,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:43,829 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:43,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:43,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622621645] [2021-03-26 05:20:43,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:43,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:43,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193618477] [2021-03-26 05:20:43,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:43,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:43,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:43,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:43,833 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 135 [2021-03-26 05:20:43,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 424 transitions, 9046 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:43,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:43,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 135 [2021-03-26 05:20:43,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:44,279 INFO L129 PetriNetUnfolder]: 428/980 cut-off events. [2021-03-26 05:20:44,279 INFO L130 PetriNetUnfolder]: For 39098/39104 co-relation queries the response was YES. [2021-03-26 05:20:44,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9975 conditions, 980 events. 428/980 cut-off events. For 39098/39104 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6038 event pairs, 6 based on Foata normal form. 7/866 useless extension candidates. Maximal degree in co-relation 9784. Up to 574 conditions per place. [2021-03-26 05:20:44,294 INFO L132 encePairwiseOnDemand]: 120/135 looper letters, 335 selfloop transitions, 73 changer transitions 5/431 dead transitions. [2021-03-26 05:20:44,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 431 transitions, 9914 flow [2021-03-26 05:20:44,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:20:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:20:44,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 642 transitions. [2021-03-26 05:20:44,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3962962962962963 [2021-03-26 05:20:44,296 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 642 transitions. [2021-03-26 05:20:44,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 642 transitions. [2021-03-26 05:20:44,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:44,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 642 transitions. [2021-03-26 05:20:44,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.5) internal successors, (642), 12 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:44,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 135.0) internal successors, (1755), 13 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:44,297 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 135.0) internal successors, (1755), 13 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:44,297 INFO L185 Difference]: Start difference. First operand has 402 places, 424 transitions, 9046 flow. Second operand 12 states and 642 transitions. [2021-03-26 05:20:44,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 431 transitions, 9914 flow [2021-03-26 05:20:44,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 431 transitions, 9817 flow, removed 0 selfloop flow, removed 13 redundant places. [2021-03-26 05:20:44,563 INFO L241 Difference]: Finished difference. Result has 401 places, 419 transitions, 9104 flow [2021-03-26 05:20:44,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=8949, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9104, PETRI_PLACES=401, PETRI_TRANSITIONS=419} [2021-03-26 05:20:44,563 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 348 predicate places. [2021-03-26 05:20:44,564 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:44,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 401 places, 419 transitions, 9104 flow [2021-03-26 05:20:44,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 401 places, 419 transitions, 9104 flow [2021-03-26 05:20:44,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 419 transitions, 9104 flow [2021-03-26 05:20:44,677 INFO L129 PetriNetUnfolder]: 355/857 cut-off events. [2021-03-26 05:20:44,677 INFO L130 PetriNetUnfolder]: For 36052/36105 co-relation queries the response was YES. [2021-03-26 05:20:44,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8611 conditions, 857 events. 355/857 cut-off events. For 36052/36105 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5387 event pairs, 6 based on Foata normal form. 7/757 useless extension candidates. Maximal degree in co-relation 8425. Up to 205 conditions per place. [2021-03-26 05:20:44,696 INFO L142 LiptonReduction]: Number of co-enabled transitions 1596 [2021-03-26 05:20:44,716 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:44,717 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:44,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 153 [2021-03-26 05:20:44,717 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 419 transitions, 9104 flow [2021-03-26 05:20:44,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:44,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:44,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:44,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-03-26 05:20:44,717 INFO L428 AbstractCegarLoop]: === Iteration 222 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:44,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:44,718 INFO L82 PathProgramCache]: Analyzing trace with hash -9143873, now seen corresponding path program 4 times [2021-03-26 05:20:44,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:44,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175754904] [2021-03-26 05:20:44,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:44,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:44,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:44,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:44,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:44,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:44,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:44,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:44,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:20:44,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:44,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:44,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:44,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:44,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:44,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:44,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:20:44,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:20:44,802 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:44,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:44,816 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:44,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:44,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175754904] [2021-03-26 05:20:44,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:44,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:44,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367919025] [2021-03-26 05:20:44,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:44,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:44,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:44,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:44,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 135 [2021-03-26 05:20:44,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 419 transitions, 9104 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:44,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:44,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 135 [2021-03-26 05:20:44,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:45,184 INFO L129 PetriNetUnfolder]: 423/963 cut-off events. [2021-03-26 05:20:45,184 INFO L130 PetriNetUnfolder]: For 39555/39559 co-relation queries the response was YES. [2021-03-26 05:20:45,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10018 conditions, 963 events. 423/963 cut-off events. For 39555/39559 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5872 event pairs, 15 based on Foata normal form. 5/851 useless extension candidates. Maximal degree in co-relation 9826. Up to 606 conditions per place. [2021-03-26 05:20:45,200 INFO L132 encePairwiseOnDemand]: 122/135 looper letters, 383 selfloop transitions, 17 changer transitions 6/424 dead transitions. [2021-03-26 05:20:45,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 424 transitions, 9962 flow [2021-03-26 05:20:45,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:20:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:20:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 619 transitions. [2021-03-26 05:20:45,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38209876543209875 [2021-03-26 05:20:45,201 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 619 transitions. [2021-03-26 05:20:45,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 619 transitions. [2021-03-26 05:20:45,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:45,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 619 transitions. [2021-03-26 05:20:45,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 51.583333333333336) internal successors, (619), 12 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:45,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 135.0) internal successors, (1755), 13 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:45,202 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 135.0) internal successors, (1755), 13 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:45,202 INFO L185 Difference]: Start difference. First operand has 396 places, 419 transitions, 9104 flow. Second operand 12 states and 619 transitions. [2021-03-26 05:20:45,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 424 transitions, 9962 flow [2021-03-26 05:20:45,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 424 transitions, 9757 flow, removed 2 selfloop flow, removed 12 redundant places. [2021-03-26 05:20:45,483 INFO L241 Difference]: Finished difference. Result has 397 places, 414 transitions, 8839 flow [2021-03-26 05:20:45,483 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=8899, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8839, PETRI_PLACES=397, PETRI_TRANSITIONS=414} [2021-03-26 05:20:45,483 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 344 predicate places. [2021-03-26 05:20:45,483 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:45,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 414 transitions, 8839 flow [2021-03-26 05:20:45,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 414 transitions, 8839 flow [2021-03-26 05:20:45,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 388 places, 414 transitions, 8839 flow [2021-03-26 05:20:45,594 INFO L129 PetriNetUnfolder]: 355/854 cut-off events. [2021-03-26 05:20:45,594 INFO L130 PetriNetUnfolder]: For 36619/36667 co-relation queries the response was YES. [2021-03-26 05:20:45,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8453 conditions, 854 events. 355/854 cut-off events. For 36619/36667 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5350 event pairs, 5 based on Foata normal form. 10/755 useless extension candidates. Maximal degree in co-relation 8278. Up to 205 conditions per place. [2021-03-26 05:20:45,613 INFO L142 LiptonReduction]: Number of co-enabled transitions 1592 [2021-03-26 05:20:45,634 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:45,634 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:45,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-26 05:20:45,635 INFO L480 AbstractCegarLoop]: Abstraction has has 388 places, 414 transitions, 8839 flow [2021-03-26 05:20:45,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:45,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:45,635 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:45,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-03-26 05:20:45,635 INFO L428 AbstractCegarLoop]: === Iteration 223 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:45,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:45,635 INFO L82 PathProgramCache]: Analyzing trace with hash 732933938, now seen corresponding path program 2 times [2021-03-26 05:20:45,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:45,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713875188] [2021-03-26 05:20:45,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:45,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:45,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:45,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:45,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:45,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:45,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:45,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:45,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:45,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:45,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:45,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:45,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:45,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:45,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:45,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:45,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:45,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:45,716 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:45,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:45,730 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:45,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:45,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713875188] [2021-03-26 05:20:45,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:45,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:45,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216157809] [2021-03-26 05:20:45,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:45,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:45,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:45,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:45,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 135 [2021-03-26 05:20:45,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 414 transitions, 8839 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:45,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:45,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 135 [2021-03-26 05:20:45,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:46,293 INFO L129 PetriNetUnfolder]: 430/977 cut-off events. [2021-03-26 05:20:46,294 INFO L130 PetriNetUnfolder]: For 40790/40798 co-relation queries the response was YES. [2021-03-26 05:20:46,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10012 conditions, 977 events. 430/977 cut-off events. For 40790/40798 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 5983 event pairs, 14 based on Foata normal form. 9/866 useless extension candidates. Maximal degree in co-relation 9835. Up to 560 conditions per place. [2021-03-26 05:20:46,309 INFO L132 encePairwiseOnDemand]: 118/135 looper letters, 349 selfloop transitions, 72 changer transitions 0/439 dead transitions. [2021-03-26 05:20:46,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 439 transitions, 10134 flow [2021-03-26 05:20:46,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:46,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 755 transitions. [2021-03-26 05:20:46,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3994708994708995 [2021-03-26 05:20:46,311 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 755 transitions. [2021-03-26 05:20:46,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 755 transitions. [2021-03-26 05:20:46,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:46,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 755 transitions. [2021-03-26 05:20:46,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.92857142857143) internal successors, (755), 14 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:46,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 135.0) internal successors, (2025), 15 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:46,312 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 135.0) internal successors, (2025), 15 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:46,312 INFO L185 Difference]: Start difference. First operand has 388 places, 414 transitions, 8839 flow. Second operand 14 states and 755 transitions. [2021-03-26 05:20:46,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 439 transitions, 10134 flow [2021-03-26 05:20:46,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 439 transitions, 10021 flow, removed 2 selfloop flow, removed 10 redundant places. [2021-03-26 05:20:46,586 INFO L241 Difference]: Finished difference. Result has 396 places, 424 transitions, 9273 flow [2021-03-26 05:20:46,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=8726, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9273, PETRI_PLACES=396, PETRI_TRANSITIONS=424} [2021-03-26 05:20:46,586 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 343 predicate places. [2021-03-26 05:20:46,586 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:46,586 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 396 places, 424 transitions, 9273 flow [2021-03-26 05:20:46,586 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 396 places, 424 transitions, 9273 flow [2021-03-26 05:20:46,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 424 transitions, 9273 flow [2021-03-26 05:20:46,705 INFO L129 PetriNetUnfolder]: 362/880 cut-off events. [2021-03-26 05:20:46,705 INFO L130 PetriNetUnfolder]: For 40168/40222 co-relation queries the response was YES. [2021-03-26 05:20:46,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8589 conditions, 880 events. 362/880 cut-off events. For 40168/40222 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5589 event pairs, 2 based on Foata normal form. 8/774 useless extension candidates. Maximal degree in co-relation 8400. Up to 206 conditions per place. [2021-03-26 05:20:46,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 1680 [2021-03-26 05:20:46,793 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 05:20:46,793 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:20:46,793 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 207 [2021-03-26 05:20:46,794 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 424 transitions, 9286 flow [2021-03-26 05:20:46,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:46,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:46,794 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:46,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-03-26 05:20:46,794 INFO L428 AbstractCegarLoop]: === Iteration 224 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:46,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:46,794 INFO L82 PathProgramCache]: Analyzing trace with hash 923644568, now seen corresponding path program 3 times [2021-03-26 05:20:46,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:46,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621206898] [2021-03-26 05:20:46,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:46,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:46,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:46,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:46,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:46,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:46,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:46,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:46,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:46,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:46,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:46,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:46,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:46,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:46,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:46,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:46,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:46,889 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:46,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:46,904 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:46,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:46,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:46,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621206898] [2021-03-26 05:20:46,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:46,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:46,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642661655] [2021-03-26 05:20:46,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:46,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:46,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:46,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:46,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:46,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 424 transitions, 9286 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:46,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:46,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:46,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:47,530 INFO L129 PetriNetUnfolder]: 434/995 cut-off events. [2021-03-26 05:20:47,530 INFO L130 PetriNetUnfolder]: For 42725/42735 co-relation queries the response was YES. [2021-03-26 05:20:47,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10311 conditions, 995 events. 434/995 cut-off events. For 42725/42735 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6188 event pairs, 7 based on Foata normal form. 11/884 useless extension candidates. Maximal degree in co-relation 10117. Up to 546 conditions per place. [2021-03-26 05:20:47,546 INFO L132 encePairwiseOnDemand]: 118/136 looper letters, 338 selfloop transitions, 89 changer transitions 0/445 dead transitions. [2021-03-26 05:20:47,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 445 transitions, 10527 flow [2021-03-26 05:20:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:20:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:20:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 908 transitions. [2021-03-26 05:20:47,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39273356401384085 [2021-03-26 05:20:47,548 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 908 transitions. [2021-03-26 05:20:47,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 908 transitions. [2021-03-26 05:20:47,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:47,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 908 transitions. [2021-03-26 05:20:47,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.411764705882355) internal successors, (908), 17 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:47,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 136.0) internal successors, (2448), 18 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:47,549 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 136.0) internal successors, (2448), 18 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:47,549 INFO L185 Difference]: Start difference. First operand has 396 places, 424 transitions, 9286 flow. Second operand 17 states and 908 transitions. [2021-03-26 05:20:47,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 445 transitions, 10527 flow [2021-03-26 05:20:47,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 445 transitions, 10344 flow, removed 77 selfloop flow, removed 5 redundant places. [2021-03-26 05:20:47,840 INFO L241 Difference]: Finished difference. Result has 410 places, 428 transitions, 9583 flow [2021-03-26 05:20:47,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=9103, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=9583, PETRI_PLACES=410, PETRI_TRANSITIONS=428} [2021-03-26 05:20:47,840 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 357 predicate places. [2021-03-26 05:20:47,840 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:47,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 428 transitions, 9583 flow [2021-03-26 05:20:47,841 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 428 transitions, 9583 flow [2021-03-26 05:20:47,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 410 places, 428 transitions, 9583 flow [2021-03-26 05:20:47,970 INFO L129 PetriNetUnfolder]: 374/916 cut-off events. [2021-03-26 05:20:47,970 INFO L130 PetriNetUnfolder]: For 44246/44251 co-relation queries the response was YES. [2021-03-26 05:20:47,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9122 conditions, 916 events. 374/916 cut-off events. For 44246/44251 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5946 event pairs, 3 based on Foata normal form. 4/803 useless extension candidates. Maximal degree in co-relation 8929. Up to 220 conditions per place. [2021-03-26 05:20:47,992 INFO L142 LiptonReduction]: Number of co-enabled transitions 1732 [2021-03-26 05:20:48,014 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:48,014 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:48,014 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 174 [2021-03-26 05:20:48,014 INFO L480 AbstractCegarLoop]: Abstraction has has 410 places, 428 transitions, 9583 flow [2021-03-26 05:20:48,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:48,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:48,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:48,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-03-26 05:20:48,015 INFO L428 AbstractCegarLoop]: === Iteration 225 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:48,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:48,015 INFO L82 PathProgramCache]: Analyzing trace with hash 814071648, now seen corresponding path program 1 times [2021-03-26 05:20:48,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:48,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562558252] [2021-03-26 05:20:48,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:48,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:48,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:48,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:48,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:48,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:48,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:48,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:48,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:48,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:48,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:48,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:48,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:48,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:48,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:48,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:48,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:48,094 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:48,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:48,109 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:48,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:48,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562558252] [2021-03-26 05:20:48,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:48,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:48,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863915995] [2021-03-26 05:20:48,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:48,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:48,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:48,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:48,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:48,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 428 transitions, 9583 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:48,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:48,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:48,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:48,673 INFO L129 PetriNetUnfolder]: 453/1031 cut-off events. [2021-03-26 05:20:48,674 INFO L130 PetriNetUnfolder]: For 49209/49217 co-relation queries the response was YES. [2021-03-26 05:20:48,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11075 conditions, 1031 events. 453/1031 cut-off events. For 49209/49217 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 6403 event pairs, 14 based on Foata normal form. 6/911 useless extension candidates. Maximal degree in co-relation 10877. Up to 579 conditions per place. [2021-03-26 05:20:48,692 INFO L132 encePairwiseOnDemand]: 119/136 looper letters, 351 selfloop transitions, 79 changer transitions 11/459 dead transitions. [2021-03-26 05:20:48,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 459 transitions, 11473 flow [2021-03-26 05:20:48,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 751 transitions. [2021-03-26 05:20:48,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3944327731092437 [2021-03-26 05:20:48,693 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 751 transitions. [2021-03-26 05:20:48,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 751 transitions. [2021-03-26 05:20:48,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:48,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 751 transitions. [2021-03-26 05:20:48,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.642857142857146) internal successors, (751), 14 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:48,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:48,694 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:48,694 INFO L185 Difference]: Start difference. First operand has 410 places, 428 transitions, 9583 flow. Second operand 14 states and 751 transitions. [2021-03-26 05:20:48,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 459 transitions, 11473 flow [2021-03-26 05:20:48,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 459 transitions, 11194 flow, removed 83 selfloop flow, removed 13 redundant places. [2021-03-26 05:20:48,994 INFO L241 Difference]: Finished difference. Result has 413 places, 436 transitions, 10143 flow [2021-03-26 05:20:48,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=9322, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10143, PETRI_PLACES=413, PETRI_TRANSITIONS=436} [2021-03-26 05:20:48,994 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 360 predicate places. [2021-03-26 05:20:48,995 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:48,995 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 436 transitions, 10143 flow [2021-03-26 05:20:48,995 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 436 transitions, 10143 flow [2021-03-26 05:20:48,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 436 transitions, 10143 flow [2021-03-26 05:20:49,119 INFO L129 PetriNetUnfolder]: 372/875 cut-off events. [2021-03-26 05:20:49,119 INFO L130 PetriNetUnfolder]: For 44194/44249 co-relation queries the response was YES. [2021-03-26 05:20:49,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9229 conditions, 875 events. 372/875 cut-off events. For 44194/44249 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5495 event pairs, 7 based on Foata normal form. 8/776 useless extension candidates. Maximal degree in co-relation 9044. Up to 224 conditions per place. [2021-03-26 05:20:49,140 INFO L142 LiptonReduction]: Number of co-enabled transitions 1662 [2021-03-26 05:20:49,163 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:49,163 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:49,164 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-26 05:20:49,164 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 436 transitions, 10143 flow [2021-03-26 05:20:49,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:49,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:49,164 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:49,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-03-26 05:20:49,164 INFO L428 AbstractCegarLoop]: === Iteration 226 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:49,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:49,164 INFO L82 PathProgramCache]: Analyzing trace with hash 951020038, now seen corresponding path program 4 times [2021-03-26 05:20:49,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:49,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415079563] [2021-03-26 05:20:49,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:49,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:49,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:49,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:49,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:49,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:49,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:49,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:49,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:49,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:49,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:49,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:49,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:49,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:49,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:49,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:49,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:49,258 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:49,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:49,274 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:49,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:49,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415079563] [2021-03-26 05:20:49,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:49,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:49,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584420673] [2021-03-26 05:20:49,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:49,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:49,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:49,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:49,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:49,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 436 transitions, 10143 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:49,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:49,278 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:49,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:50,046 INFO L129 PetriNetUnfolder]: 458/1040 cut-off events. [2021-03-26 05:20:50,046 INFO L130 PetriNetUnfolder]: For 50215/50217 co-relation queries the response was YES. [2021-03-26 05:20:50,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11331 conditions, 1040 events. 458/1040 cut-off events. For 50215/50217 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6456 event pairs, 18 based on Foata normal form. 3/915 useless extension candidates. Maximal degree in co-relation 11131. Up to 578 conditions per place. [2021-03-26 05:20:50,064 INFO L132 encePairwiseOnDemand]: 119/136 looper letters, 354 selfloop transitions, 96 changer transitions 0/468 dead transitions. [2021-03-26 05:20:50,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 468 transitions, 11977 flow [2021-03-26 05:20:50,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 05:20:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 05:20:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1111 transitions. [2021-03-26 05:20:50,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38900560224089636 [2021-03-26 05:20:50,065 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1111 transitions. [2021-03-26 05:20:50,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1111 transitions. [2021-03-26 05:20:50,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:50,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1111 transitions. [2021-03-26 05:20:50,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 52.904761904761905) internal successors, (1111), 21 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:50,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 136.0) internal successors, (2992), 22 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:50,067 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 136.0) internal successors, (2992), 22 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:50,067 INFO L185 Difference]: Start difference. First operand has 412 places, 436 transitions, 10143 flow. Second operand 21 states and 1111 transitions. [2021-03-26 05:20:50,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 468 transitions, 11977 flow [2021-03-26 05:20:50,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 468 transitions, 11251 flow, removed 234 selfloop flow, removed 20 redundant places. [2021-03-26 05:20:50,382 INFO L241 Difference]: Finished difference. Result has 416 places, 453 transitions, 10519 flow [2021-03-26 05:20:50,382 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=9454, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=10519, PETRI_PLACES=416, PETRI_TRANSITIONS=453} [2021-03-26 05:20:50,382 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 363 predicate places. [2021-03-26 05:20:50,382 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:50,382 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 453 transitions, 10519 flow [2021-03-26 05:20:50,383 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 453 transitions, 10519 flow [2021-03-26 05:20:50,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 416 places, 453 transitions, 10519 flow [2021-03-26 05:20:50,511 INFO L129 PetriNetUnfolder]: 384/922 cut-off events. [2021-03-26 05:20:50,511 INFO L130 PetriNetUnfolder]: For 44319/44375 co-relation queries the response was YES. [2021-03-26 05:20:50,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9400 conditions, 922 events. 384/922 cut-off events. For 44319/44375 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5858 event pairs, 4 based on Foata normal form. 10/814 useless extension candidates. Maximal degree in co-relation 9207. Up to 237 conditions per place. [2021-03-26 05:20:50,533 INFO L142 LiptonReduction]: Number of co-enabled transitions 1794 [2021-03-26 05:20:50,557 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:50,557 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:50,557 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 175 [2021-03-26 05:20:50,557 INFO L480 AbstractCegarLoop]: Abstraction has has 416 places, 453 transitions, 10519 flow [2021-03-26 05:20:50,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:50,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:50,558 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:50,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-03-26 05:20:50,558 INFO L428 AbstractCegarLoop]: === Iteration 227 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:50,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:50,558 INFO L82 PathProgramCache]: Analyzing trace with hash 91724754, now seen corresponding path program 5 times [2021-03-26 05:20:50,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:50,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036333933] [2021-03-26 05:20:50,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:50,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:50,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:50,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:50,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:50,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:50,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:50,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:50,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:50,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:50,650 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:20:50,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:50,666 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:50,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:50,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036333933] [2021-03-26 05:20:50,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:50,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:50,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954997364] [2021-03-26 05:20:50,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:50,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:50,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:50,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:50,669 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:50,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 453 transitions, 10519 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:50,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:50,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:50,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:51,273 INFO L129 PetriNetUnfolder]: 471/1080 cut-off events. [2021-03-26 05:20:51,273 INFO L130 PetriNetUnfolder]: For 50030/50040 co-relation queries the response was YES. [2021-03-26 05:20:51,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11433 conditions, 1080 events. 471/1080 cut-off events. For 50030/50040 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6862 event pairs, 6 based on Foata normal form. 11/951 useless extension candidates. Maximal degree in co-relation 11235. Up to 602 conditions per place. [2021-03-26 05:20:51,291 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 372 selfloop transitions, 86 changer transitions 0/476 dead transitions. [2021-03-26 05:20:51,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 476 transitions, 12046 flow [2021-03-26 05:20:51,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:20:51,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:20:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 802 transitions. [2021-03-26 05:20:51,293 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3931372549019608 [2021-03-26 05:20:51,293 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 802 transitions. [2021-03-26 05:20:51,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 802 transitions. [2021-03-26 05:20:51,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:51,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 802 transitions. [2021-03-26 05:20:51,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.46666666666667) internal successors, (802), 15 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:51,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 136.0) internal successors, (2176), 16 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:51,295 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 136.0) internal successors, (2176), 16 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:51,295 INFO L185 Difference]: Start difference. First operand has 416 places, 453 transitions, 10519 flow. Second operand 15 states and 802 transitions. [2021-03-26 05:20:51,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 476 transitions, 12046 flow [2021-03-26 05:20:51,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 476 transitions, 11348 flow, removed 310 selfloop flow, removed 12 redundant places. [2021-03-26 05:20:51,620 INFO L241 Difference]: Finished difference. Result has 422 places, 460 transitions, 10444 flow [2021-03-26 05:20:51,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=9821, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10444, PETRI_PLACES=422, PETRI_TRANSITIONS=460} [2021-03-26 05:20:51,620 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 369 predicate places. [2021-03-26 05:20:51,620 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:51,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 422 places, 460 transitions, 10444 flow [2021-03-26 05:20:51,620 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 422 places, 460 transitions, 10444 flow [2021-03-26 05:20:51,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 422 places, 460 transitions, 10444 flow [2021-03-26 05:20:51,753 INFO L129 PetriNetUnfolder]: 397/966 cut-off events. [2021-03-26 05:20:51,753 INFO L130 PetriNetUnfolder]: For 46344/46400 co-relation queries the response was YES. [2021-03-26 05:20:51,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9677 conditions, 966 events. 397/966 cut-off events. For 46344/46400 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6293 event pairs, 4 based on Foata normal form. 10/847 useless extension candidates. Maximal degree in co-relation 9479. Up to 230 conditions per place. [2021-03-26 05:20:51,775 INFO L142 LiptonReduction]: Number of co-enabled transitions 1856 [2021-03-26 05:20:51,800 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:51,800 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:51,800 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 180 [2021-03-26 05:20:51,800 INFO L480 AbstractCegarLoop]: Abstraction has has 422 places, 460 transitions, 10444 flow [2021-03-26 05:20:51,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:51,800 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:51,800 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:51,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-03-26 05:20:51,800 INFO L428 AbstractCegarLoop]: === Iteration 228 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:51,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:51,801 INFO L82 PathProgramCache]: Analyzing trace with hash 654509292, now seen corresponding path program 6 times [2021-03-26 05:20:51,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:51,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096120563] [2021-03-26 05:20:51,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:51,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:51,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:51,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:51,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:51,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:51,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:51,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:51,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:51,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:51,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:51,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:51,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:51,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:51,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:51,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:51,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:51,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:51,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:51,889 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:51,905 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:51,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:51,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096120563] [2021-03-26 05:20:51,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:51,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:51,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616386836] [2021-03-26 05:20:51,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:51,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:51,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:51,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:51,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:51,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 460 transitions, 10444 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:51,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:51,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:51,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:52,608 INFO L129 PetriNetUnfolder]: 474/1102 cut-off events. [2021-03-26 05:20:52,609 INFO L130 PetriNetUnfolder]: For 50110/50112 co-relation queries the response was YES. [2021-03-26 05:20:52,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11484 conditions, 1102 events. 474/1102 cut-off events. For 50110/50112 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 7114 event pairs, 19 based on Foata normal form. 3/962 useless extension candidates. Maximal degree in co-relation 11281. Up to 601 conditions per place. [2021-03-26 05:20:52,626 INFO L132 encePairwiseOnDemand]: 119/136 looper letters, 367 selfloop transitions, 90 changer transitions 6/481 dead transitions. [2021-03-26 05:20:52,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 481 transitions, 11788 flow [2021-03-26 05:20:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 05:20:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 05:20:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 952 transitions. [2021-03-26 05:20:52,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3888888888888889 [2021-03-26 05:20:52,628 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 952 transitions. [2021-03-26 05:20:52,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 952 transitions. [2021-03-26 05:20:52,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:52,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 952 transitions. [2021-03-26 05:20:52,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 52.888888888888886) internal successors, (952), 18 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:52,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 136.0) internal successors, (2584), 19 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:52,629 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 136.0) internal successors, (2584), 19 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:52,629 INFO L185 Difference]: Start difference. First operand has 422 places, 460 transitions, 10444 flow. Second operand 18 states and 952 transitions. [2021-03-26 05:20:52,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 481 transitions, 11788 flow [2021-03-26 05:20:52,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 481 transitions, 11593 flow, removed 76 selfloop flow, removed 8 redundant places. [2021-03-26 05:20:52,949 INFO L241 Difference]: Finished difference. Result has 435 places, 462 transitions, 10679 flow [2021-03-26 05:20:52,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10249, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=10679, PETRI_PLACES=435, PETRI_TRANSITIONS=462} [2021-03-26 05:20:52,950 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 382 predicate places. [2021-03-26 05:20:52,950 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:52,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 462 transitions, 10679 flow [2021-03-26 05:20:52,950 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 462 transitions, 10679 flow [2021-03-26 05:20:52,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 434 places, 462 transitions, 10679 flow [2021-03-26 05:20:53,092 INFO L129 PetriNetUnfolder]: 399/977 cut-off events. [2021-03-26 05:20:53,092 INFO L130 PetriNetUnfolder]: For 47726/47782 co-relation queries the response was YES. [2021-03-26 05:20:53,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9867 conditions, 977 events. 399/977 cut-off events. For 47726/47782 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6392 event pairs, 6 based on Foata normal form. 10/855 useless extension candidates. Maximal degree in co-relation 9665. Up to 231 conditions per place. [2021-03-26 05:20:53,116 INFO L142 LiptonReduction]: Number of co-enabled transitions 1854 [2021-03-26 05:20:53,141 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:53,141 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:53,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-03-26 05:20:53,142 INFO L480 AbstractCegarLoop]: Abstraction has has 434 places, 462 transitions, 10679 flow [2021-03-26 05:20:53,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:53,142 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:53,142 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:53,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-03-26 05:20:53,142 INFO L428 AbstractCegarLoop]: === Iteration 229 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:53,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:53,142 INFO L82 PathProgramCache]: Analyzing trace with hash 540107867, now seen corresponding path program 2 times [2021-03-26 05:20:53,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:53,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340850133] [2021-03-26 05:20:53,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:53,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:53,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:53,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:53,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:53,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:53,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:53,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:53,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:53,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:53,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:53,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:53,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:53,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:53,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:53,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:53,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:53,225 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:20:53,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:20:53,227 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:53,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:53,242 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:20:53,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:53,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340850133] [2021-03-26 05:20:53,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:53,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:20:53,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606728599] [2021-03-26 05:20:53,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:20:53,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:53,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:20:53,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:20:53,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:53,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 462 transitions, 10679 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:53,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:53,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:53,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:53,861 INFO L129 PetriNetUnfolder]: 489/1131 cut-off events. [2021-03-26 05:20:53,862 INFO L130 PetriNetUnfolder]: For 54607/54611 co-relation queries the response was YES. [2021-03-26 05:20:53,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12146 conditions, 1131 events. 489/1131 cut-off events. For 54607/54611 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7296 event pairs, 6 based on Foata normal form. 5/986 useless extension candidates. Maximal degree in co-relation 11939. Up to 631 conditions per place. [2021-03-26 05:20:53,882 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 391 selfloop transitions, 86 changer transitions 0/495 dead transitions. [2021-03-26 05:20:53,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 495 transitions, 12770 flow [2021-03-26 05:20:53,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 757 transitions. [2021-03-26 05:20:53,883 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39758403361344535 [2021-03-26 05:20:53,883 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 757 transitions. [2021-03-26 05:20:53,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 757 transitions. [2021-03-26 05:20:53,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:53,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 757 transitions. [2021-03-26 05:20:53,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.07142857142857) internal successors, (757), 14 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:53,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:53,884 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:53,884 INFO L185 Difference]: Start difference. First operand has 434 places, 462 transitions, 10679 flow. Second operand 14 states and 757 transitions. [2021-03-26 05:20:53,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 495 transitions, 12770 flow [2021-03-26 05:20:54,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 495 transitions, 12469 flow, removed 60 selfloop flow, removed 16 redundant places. [2021-03-26 05:20:54,255 INFO L241 Difference]: Finished difference. Result has 434 places, 481 transitions, 11644 flow [2021-03-26 05:20:54,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10388, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11644, PETRI_PLACES=434, PETRI_TRANSITIONS=481} [2021-03-26 05:20:54,256 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 381 predicate places. [2021-03-26 05:20:54,256 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:54,256 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 434 places, 481 transitions, 11644 flow [2021-03-26 05:20:54,256 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 434 places, 481 transitions, 11644 flow [2021-03-26 05:20:54,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 434 places, 481 transitions, 11644 flow [2021-03-26 05:20:54,417 INFO L129 PetriNetUnfolder]: 422/1038 cut-off events. [2021-03-26 05:20:54,417 INFO L130 PetriNetUnfolder]: For 52818/52866 co-relation queries the response was YES. [2021-03-26 05:20:54,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10697 conditions, 1038 events. 422/1038 cut-off events. For 52818/52866 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6998 event pairs, 7 based on Foata normal form. 10/906 useless extension candidates. Maximal degree in co-relation 10494. Up to 250 conditions per place. [2021-03-26 05:20:54,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 1962 [2021-03-26 05:20:54,470 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:54,470 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:54,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-03-26 05:20:54,471 INFO L480 AbstractCegarLoop]: Abstraction has has 434 places, 481 transitions, 11644 flow [2021-03-26 05:20:54,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:54,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:54,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:54,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-03-26 05:20:54,471 INFO L428 AbstractCegarLoop]: === Iteration 230 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:54,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:54,471 INFO L82 PathProgramCache]: Analyzing trace with hash 444673772, now seen corresponding path program 7 times [2021-03-26 05:20:54,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:54,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926527572] [2021-03-26 05:20:54,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:54,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:54,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:54,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:54,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:54,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:54,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:54,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:54,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:54,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:54,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:54,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:54,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:54,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:54,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:54,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:54,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:54,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:54,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:54,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:54,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:54,583 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:54,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:54,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:54,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926527572] [2021-03-26 05:20:54,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:54,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:54,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326047389] [2021-03-26 05:20:54,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:54,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:54,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:54,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:54,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:54,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 481 transitions, 11644 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:54,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:54,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:54,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:55,441 INFO L129 PetriNetUnfolder]: 513/1194 cut-off events. [2021-03-26 05:20:55,442 INFO L130 PetriNetUnfolder]: For 61274/61276 co-relation queries the response was YES. [2021-03-26 05:20:55,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12885 conditions, 1194 events. 513/1194 cut-off events. For 61274/61276 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7862 event pairs, 15 based on Foata normal form. 3/1039 useless extension candidates. Maximal degree in co-relation 12677. Up to 632 conditions per place. [2021-03-26 05:20:55,464 INFO L132 encePairwiseOnDemand]: 119/136 looper letters, 384 selfloop transitions, 118 changer transitions 3/523 dead transitions. [2021-03-26 05:20:55,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 523 transitions, 14062 flow [2021-03-26 05:20:55,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 05:20:55,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 05:20:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1008 transitions. [2021-03-26 05:20:55,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39009287925696595 [2021-03-26 05:20:55,466 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1008 transitions. [2021-03-26 05:20:55,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1008 transitions. [2021-03-26 05:20:55,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:55,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1008 transitions. [2021-03-26 05:20:55,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.05263157894737) internal successors, (1008), 19 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:55,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 136.0) internal successors, (2720), 20 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:55,467 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 136.0) internal successors, (2720), 20 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:55,467 INFO L185 Difference]: Start difference. First operand has 434 places, 481 transitions, 11644 flow. Second operand 19 states and 1008 transitions. [2021-03-26 05:20:55,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 523 transitions, 14062 flow [2021-03-26 05:20:55,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 523 transitions, 13416 flow, removed 304 selfloop flow, removed 6 redundant places. [2021-03-26 05:20:55,908 INFO L241 Difference]: Finished difference. Result has 452 places, 507 transitions, 12641 flow [2021-03-26 05:20:55,908 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10998, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=12641, PETRI_PLACES=452, PETRI_TRANSITIONS=507} [2021-03-26 05:20:55,908 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 399 predicate places. [2021-03-26 05:20:55,908 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:55,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 507 transitions, 12641 flow [2021-03-26 05:20:55,908 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 507 transitions, 12641 flow [2021-03-26 05:20:55,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 452 places, 507 transitions, 12641 flow [2021-03-26 05:20:56,088 INFO L129 PetriNetUnfolder]: 446/1092 cut-off events. [2021-03-26 05:20:56,088 INFO L130 PetriNetUnfolder]: For 58370/58423 co-relation queries the response was YES. [2021-03-26 05:20:56,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11255 conditions, 1092 events. 446/1092 cut-off events. For 58370/58423 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7440 event pairs, 9 based on Foata normal form. 7/945 useless extension candidates. Maximal degree in co-relation 11046. Up to 264 conditions per place. [2021-03-26 05:20:56,119 INFO L142 LiptonReduction]: Number of co-enabled transitions 2074 [2021-03-26 05:20:56,148 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:56,148 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:56,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 240 [2021-03-26 05:20:56,149 INFO L480 AbstractCegarLoop]: Abstraction has has 452 places, 507 transitions, 12641 flow [2021-03-26 05:20:56,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:56,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:56,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:56,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-03-26 05:20:56,149 INFO L428 AbstractCegarLoop]: === Iteration 231 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:56,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:56,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1296230539, now seen corresponding path program 3 times [2021-03-26 05:20:56,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:56,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947461914] [2021-03-26 05:20:56,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:56,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:56,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:56,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:56,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:56,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:56,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:56,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:56,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:56,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:56,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:56,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:56,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:56,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:56,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:56,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:56,247 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:56,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:56,266 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:56,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:56,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947461914] [2021-03-26 05:20:56,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:56,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:56,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237234960] [2021-03-26 05:20:56,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:56,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:56,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:56,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:56,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:56,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 507 transitions, 12641 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:56,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:56,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:56,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:57,028 INFO L129 PetriNetUnfolder]: 518/1211 cut-off events. [2021-03-26 05:20:57,028 INFO L130 PetriNetUnfolder]: For 61982/61984 co-relation queries the response was YES. [2021-03-26 05:20:57,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12966 conditions, 1211 events. 518/1211 cut-off events. For 61982/61984 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8086 event pairs, 6 based on Foata normal form. 3/1047 useless extension candidates. Maximal degree in co-relation 12752. Up to 631 conditions per place. [2021-03-26 05:20:57,052 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 377 selfloop transitions, 130 changer transitions 0/525 dead transitions. [2021-03-26 05:20:57,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 525 transitions, 14058 flow [2021-03-26 05:20:57,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:20:57,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:20:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 809 transitions. [2021-03-26 05:20:57,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39656862745098037 [2021-03-26 05:20:57,054 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 809 transitions. [2021-03-26 05:20:57,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 809 transitions. [2021-03-26 05:20:57,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:57,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 809 transitions. [2021-03-26 05:20:57,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.93333333333333) internal successors, (809), 15 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:57,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 136.0) internal successors, (2176), 16 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:57,055 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 136.0) internal successors, (2176), 16 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:57,055 INFO L185 Difference]: Start difference. First operand has 452 places, 507 transitions, 12641 flow. Second operand 15 states and 809 transitions. [2021-03-26 05:20:57,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 525 transitions, 14058 flow [2021-03-26 05:20:57,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 525 transitions, 13428 flow, removed 267 selfloop flow, removed 12 redundant places. [2021-03-26 05:20:57,479 INFO L241 Difference]: Finished difference. Result has 455 places, 511 transitions, 12611 flow [2021-03-26 05:20:57,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=12011, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12611, PETRI_PLACES=455, PETRI_TRANSITIONS=511} [2021-03-26 05:20:57,480 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 402 predicate places. [2021-03-26 05:20:57,480 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:57,480 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 511 transitions, 12611 flow [2021-03-26 05:20:57,480 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 511 transitions, 12611 flow [2021-03-26 05:20:57,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 455 places, 511 transitions, 12611 flow [2021-03-26 05:20:57,660 INFO L129 PetriNetUnfolder]: 446/1103 cut-off events. [2021-03-26 05:20:57,660 INFO L130 PetriNetUnfolder]: For 56089/56144 co-relation queries the response was YES. [2021-03-26 05:20:57,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11313 conditions, 1103 events. 446/1103 cut-off events. For 56089/56144 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7566 event pairs, 7 based on Foata normal form. 7/956 useless extension candidates. Maximal degree in co-relation 11103. Up to 267 conditions per place. [2021-03-26 05:20:57,689 INFO L142 LiptonReduction]: Number of co-enabled transitions 2108 [2021-03-26 05:20:57,719 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:57,719 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:57,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-03-26 05:20:57,719 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 511 transitions, 12611 flow [2021-03-26 05:20:57,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:57,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:57,720 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:57,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-03-26 05:20:57,720 INFO L428 AbstractCegarLoop]: === Iteration 232 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:57,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:57,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1831825304, now seen corresponding path program 8 times [2021-03-26 05:20:57,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:57,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778576731] [2021-03-26 05:20:57,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:57,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:57,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:57,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:57,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:57,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:57,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:57,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:57,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:57,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:57,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:57,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:57,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:57,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:57,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:57,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:57,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:57,814 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:20:57,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:20:57,829 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:57,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:57,846 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:57,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:57,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778576731] [2021-03-26 05:20:57,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:57,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:57,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314628081] [2021-03-26 05:20:57,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:57,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:57,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:57,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:57,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:57,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 511 transitions, 12611 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:57,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:57,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:57,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:20:58,535 INFO L129 PetriNetUnfolder]: 523/1230 cut-off events. [2021-03-26 05:20:58,535 INFO L130 PetriNetUnfolder]: For 59087/59095 co-relation queries the response was YES. [2021-03-26 05:20:58,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12998 conditions, 1230 events. 523/1230 cut-off events. For 59087/59095 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8265 event pairs, 16 based on Foata normal form. 9/1070 useless extension candidates. Maximal degree in co-relation 12783. Up to 685 conditions per place. [2021-03-26 05:20:58,558 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 453 selfloop transitions, 54 changer transitions 3/528 dead transitions. [2021-03-26 05:20:58,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 528 transitions, 13913 flow [2021-03-26 05:20:58,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:20:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:20:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 744 transitions. [2021-03-26 05:20:58,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3907563025210084 [2021-03-26 05:20:58,560 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 744 transitions. [2021-03-26 05:20:58,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 744 transitions. [2021-03-26 05:20:58,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:20:58,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 744 transitions. [2021-03-26 05:20:58,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.142857142857146) internal successors, (744), 14 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:58,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:58,561 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:58,561 INFO L185 Difference]: Start difference. First operand has 455 places, 511 transitions, 12611 flow. Second operand 14 states and 744 transitions. [2021-03-26 05:20:58,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 528 transitions, 13913 flow [2021-03-26 05:20:58,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 528 transitions, 13608 flow, removed 92 selfloop flow, removed 10 redundant places. [2021-03-26 05:20:58,994 INFO L241 Difference]: Finished difference. Result has 463 places, 515 transitions, 12566 flow [2021-03-26 05:20:58,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=12306, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12566, PETRI_PLACES=463, PETRI_TRANSITIONS=515} [2021-03-26 05:20:58,995 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 410 predicate places. [2021-03-26 05:20:58,995 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:20:58,995 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 515 transitions, 12566 flow [2021-03-26 05:20:58,995 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 515 transitions, 12566 flow [2021-03-26 05:20:58,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 462 places, 515 transitions, 12566 flow [2021-03-26 05:20:59,183 INFO L129 PetriNetUnfolder]: 446/1107 cut-off events. [2021-03-26 05:20:59,184 INFO L130 PetriNetUnfolder]: For 53103/53152 co-relation queries the response was YES. [2021-03-26 05:20:59,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11189 conditions, 1107 events. 446/1107 cut-off events. For 53103/53152 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7614 event pairs, 7 based on Foata normal form. 11/960 useless extension candidates. Maximal degree in co-relation 10973. Up to 264 conditions per place. [2021-03-26 05:20:59,214 INFO L142 LiptonReduction]: Number of co-enabled transitions 2108 [2021-03-26 05:20:59,245 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:20:59,245 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:20:59,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 250 [2021-03-26 05:20:59,245 INFO L480 AbstractCegarLoop]: Abstraction has has 462 places, 515 transitions, 12566 flow [2021-03-26 05:20:59,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:59,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:20:59,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:20:59,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-03-26 05:20:59,245 INFO L428 AbstractCegarLoop]: === Iteration 233 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:20:59,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:20:59,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1464672974, now seen corresponding path program 9 times [2021-03-26 05:20:59,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:20:59,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663069430] [2021-03-26 05:20:59,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:20:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:20:59,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:59,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:20:59,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:59,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:59,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:20:59,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:59,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:59,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:59,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:59,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:59,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:59,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:59,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:59,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:59,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:20:59,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:20:59,346 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:20:59,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:20:59,372 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:20:59,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:20:59,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:20:59,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663069430] [2021-03-26 05:20:59,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:20:59,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:20:59,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815989924] [2021-03-26 05:20:59,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:20:59,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:20:59,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:20:59,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:20:59,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:20:59,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 515 transitions, 12566 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:20:59,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:20:59,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:20:59,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:00,231 INFO L129 PetriNetUnfolder]: 522/1230 cut-off events. [2021-03-26 05:21:00,231 INFO L130 PetriNetUnfolder]: For 61988/61990 co-relation queries the response was YES. [2021-03-26 05:21:00,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13177 conditions, 1230 events. 522/1230 cut-off events. For 61988/61990 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8242 event pairs, 14 based on Foata normal form. 3/1065 useless extension candidates. Maximal degree in co-relation 12956. Up to 667 conditions per place. [2021-03-26 05:21:00,252 INFO L132 encePairwiseOnDemand]: 119/136 looper letters, 430 selfloop transitions, 89 changer transitions 0/537 dead transitions. [2021-03-26 05:21:00,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 537 transitions, 14329 flow [2021-03-26 05:21:00,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 05:21:00,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 05:21:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 956 transitions. [2021-03-26 05:21:00,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39052287581699346 [2021-03-26 05:21:00,253 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 956 transitions. [2021-03-26 05:21:00,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 956 transitions. [2021-03-26 05:21:00,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:00,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 956 transitions. [2021-03-26 05:21:00,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 53.111111111111114) internal successors, (956), 18 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:00,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 136.0) internal successors, (2584), 19 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:00,255 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 136.0) internal successors, (2584), 19 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:00,255 INFO L185 Difference]: Start difference. First operand has 462 places, 515 transitions, 12566 flow. Second operand 18 states and 956 transitions. [2021-03-26 05:21:00,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 537 transitions, 14329 flow [2021-03-26 05:21:00,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 537 transitions, 14228 flow, removed 8 selfloop flow, removed 11 redundant places. [2021-03-26 05:21:00,694 INFO L241 Difference]: Finished difference. Result has 470 places, 523 transitions, 13288 flow [2021-03-26 05:21:00,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=12472, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=13288, PETRI_PLACES=470, PETRI_TRANSITIONS=523} [2021-03-26 05:21:00,694 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 417 predicate places. [2021-03-26 05:21:00,694 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:00,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 470 places, 523 transitions, 13288 flow [2021-03-26 05:21:00,694 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 470 places, 523 transitions, 13288 flow [2021-03-26 05:21:00,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 523 transitions, 13288 flow [2021-03-26 05:21:00,894 INFO L129 PetriNetUnfolder]: 461/1144 cut-off events. [2021-03-26 05:21:00,895 INFO L130 PetriNetUnfolder]: For 58009/58061 co-relation queries the response was YES. [2021-03-26 05:21:00,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11808 conditions, 1144 events. 461/1144 cut-off events. For 58009/58061 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7930 event pairs, 6 based on Foata normal form. 6/986 useless extension candidates. Maximal degree in co-relation 11593. Up to 273 conditions per place. [2021-03-26 05:21:00,926 INFO L142 LiptonReduction]: Number of co-enabled transitions 2144 [2021-03-26 05:21:00,957 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:00,957 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:00,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-26 05:21:00,958 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 523 transitions, 13288 flow [2021-03-26 05:21:00,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:00,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:00,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:00,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-03-26 05:21:00,958 INFO L428 AbstractCegarLoop]: === Iteration 234 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:00,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:00,958 INFO L82 PathProgramCache]: Analyzing trace with hash -8739541, now seen corresponding path program 4 times [2021-03-26 05:21:00,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:00,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035553295] [2021-03-26 05:21:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:00,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:00,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:00,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:00,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:00,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:00,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:00,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:00,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:00,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:00,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:01,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:01,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:01,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:01,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:01,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:01,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:01,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:01,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:01,032 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:01,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:01,046 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:01,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:01,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035553295] [2021-03-26 05:21:01,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:01,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:21:01,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254966529] [2021-03-26 05:21:01,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:21:01,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:01,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:21:01,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:21:01,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:21:01,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 523 transitions, 13288 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:01,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:01,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:21:01,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:01,823 INFO L129 PetriNetUnfolder]: 535/1258 cut-off events. [2021-03-26 05:21:01,823 INFO L130 PetriNetUnfolder]: For 65780/65782 co-relation queries the response was YES. [2021-03-26 05:21:01,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13680 conditions, 1258 events. 535/1258 cut-off events. For 65780/65782 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8511 event pairs, 14 based on Foata normal form. 3/1090 useless extension candidates. Maximal degree in co-relation 13460. Up to 676 conditions per place. [2021-03-26 05:21:01,847 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 431 selfloop transitions, 104 changer transitions 1/554 dead transitions. [2021-03-26 05:21:01,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 554 transitions, 15177 flow [2021-03-26 05:21:01,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:21:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:21:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 657 transitions. [2021-03-26 05:21:01,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4025735294117647 [2021-03-26 05:21:01,849 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 657 transitions. [2021-03-26 05:21:01,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 657 transitions. [2021-03-26 05:21:01,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:01,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 657 transitions. [2021-03-26 05:21:01,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.75) internal successors, (657), 12 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:01,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 136.0) internal successors, (1768), 13 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:01,850 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 136.0) internal successors, (1768), 13 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:01,850 INFO L185 Difference]: Start difference. First operand has 470 places, 523 transitions, 13288 flow. Second operand 12 states and 657 transitions. [2021-03-26 05:21:01,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 554 transitions, 15177 flow [2021-03-26 05:21:02,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 554 transitions, 14764 flow, removed 173 selfloop flow, removed 11 redundant places. [2021-03-26 05:21:02,327 INFO L241 Difference]: Finished difference. Result has 472 places, 538 transitions, 13822 flow [2021-03-26 05:21:02,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=12875, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13822, PETRI_PLACES=472, PETRI_TRANSITIONS=538} [2021-03-26 05:21:02,328 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 419 predicate places. [2021-03-26 05:21:02,328 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:02,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 538 transitions, 13822 flow [2021-03-26 05:21:02,328 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 538 transitions, 13822 flow [2021-03-26 05:21:02,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 472 places, 538 transitions, 13822 flow [2021-03-26 05:21:02,547 INFO L129 PetriNetUnfolder]: 481/1185 cut-off events. [2021-03-26 05:21:02,547 INFO L130 PetriNetUnfolder]: For 62625/62627 co-relation queries the response was YES. [2021-03-26 05:21:02,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12547 conditions, 1185 events. 481/1185 cut-off events. For 62625/62627 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8206 event pairs, 15 based on Foata normal form. 1/1026 useless extension candidates. Maximal degree in co-relation 12329. Up to 293 conditions per place. [2021-03-26 05:21:02,580 INFO L142 LiptonReduction]: Number of co-enabled transitions 2160 [2021-03-26 05:21:02,614 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:02,614 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:02,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 286 [2021-03-26 05:21:02,614 INFO L480 AbstractCegarLoop]: Abstraction has has 472 places, 538 transitions, 13822 flow [2021-03-26 05:21:02,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:02,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:02,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:02,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-03-26 05:21:02,615 INFO L428 AbstractCegarLoop]: === Iteration 235 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:02,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:02,615 INFO L82 PathProgramCache]: Analyzing trace with hash 2140545721, now seen corresponding path program 5 times [2021-03-26 05:21:02,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:02,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349571484] [2021-03-26 05:21:02,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:02,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:02,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:02,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:02,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:02,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:02,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:02,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:02,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:02,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:02,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:02,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:02,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:02,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:02,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:02,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:02,730 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:02,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:02,732 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:02,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:02,746 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:02,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:02,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349571484] [2021-03-26 05:21:02,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:02,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:21:02,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739033942] [2021-03-26 05:21:02,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:21:02,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:02,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:21:02,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:21:02,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 136 [2021-03-26 05:21:02,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 538 transitions, 13822 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:02,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:02,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 136 [2021-03-26 05:21:02,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:03,575 INFO L129 PetriNetUnfolder]: 535/1265 cut-off events. [2021-03-26 05:21:03,575 INFO L130 PetriNetUnfolder]: For 65371/65381 co-relation queries the response was YES. [2021-03-26 05:21:03,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13746 conditions, 1265 events. 535/1265 cut-off events. For 65371/65381 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8586 event pairs, 7 based on Foata normal form. 11/1105 useless extension candidates. Maximal degree in co-relation 13523. Up to 664 conditions per place. [2021-03-26 05:21:03,596 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 401 selfloop transitions, 91 changer transitions 44/554 dead transitions. [2021-03-26 05:21:03,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 554 transitions, 15165 flow [2021-03-26 05:21:03,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:21:03,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:21:03,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 05:21:03,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39705882352941174 [2021-03-26 05:21:03,598 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 05:21:03,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 05:21:03,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:03,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 05:21:03,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:03,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:03,599 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:03,599 INFO L185 Difference]: Start difference. First operand has 472 places, 538 transitions, 13822 flow. Second operand 14 states and 756 transitions. [2021-03-26 05:21:03,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 554 transitions, 15165 flow [2021-03-26 05:21:04,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 554 transitions, 15001 flow, removed 65 selfloop flow, removed 6 redundant places. [2021-03-26 05:21:04,085 INFO L241 Difference]: Finished difference. Result has 481 places, 496 transitions, 12827 flow [2021-03-26 05:21:04,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=13658, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12827, PETRI_PLACES=481, PETRI_TRANSITIONS=496} [2021-03-26 05:21:04,086 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 428 predicate places. [2021-03-26 05:21:04,086 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:04,086 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 481 places, 496 transitions, 12827 flow [2021-03-26 05:21:04,086 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 481 places, 496 transitions, 12827 flow [2021-03-26 05:21:04,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 473 places, 496 transitions, 12827 flow [2021-03-26 05:21:04,273 INFO L129 PetriNetUnfolder]: 433/1026 cut-off events. [2021-03-26 05:21:04,273 INFO L130 PetriNetUnfolder]: For 61950/61955 co-relation queries the response was YES. [2021-03-26 05:21:04,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11588 conditions, 1026 events. 433/1026 cut-off events. For 61950/61955 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6670 event pairs, 13 based on Foata normal form. 4/902 useless extension candidates. Maximal degree in co-relation 11369. Up to 257 conditions per place. [2021-03-26 05:21:04,301 INFO L142 LiptonReduction]: Number of co-enabled transitions 1726 [2021-03-26 05:21:04,398 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 05:21:04,398 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:21:04,398 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 312 [2021-03-26 05:21:04,399 INFO L480 AbstractCegarLoop]: Abstraction has has 473 places, 496 transitions, 12830 flow [2021-03-26 05:21:04,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:04,399 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:04,399 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:04,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-03-26 05:21:04,399 INFO L428 AbstractCegarLoop]: === Iteration 236 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:04,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:04,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1574859692, now seen corresponding path program 10 times [2021-03-26 05:21:04,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:04,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825942960] [2021-03-26 05:21:04,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:04,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:04,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:04,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:04,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:04,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:04,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:04,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:04,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:04,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:04,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:04,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:04,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:04,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:04,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:04,489 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:04,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:04,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:04,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:04,520 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:04,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:04,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825942960] [2021-03-26 05:21:04,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:04,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:04,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115946733] [2021-03-26 05:21:04,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:04,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:04,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:04,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:04,523 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:04,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 496 transitions, 12830 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:04,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:04,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:04,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:05,262 INFO L129 PetriNetUnfolder]: 498/1137 cut-off events. [2021-03-26 05:21:05,262 INFO L130 PetriNetUnfolder]: For 63419/63423 co-relation queries the response was YES. [2021-03-26 05:21:05,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13148 conditions, 1137 events. 498/1137 cut-off events. For 63419/63423 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7241 event pairs, 7 based on Foata normal form. 5/996 useless extension candidates. Maximal degree in co-relation 12922. Up to 648 conditions per place. [2021-03-26 05:21:05,285 INFO L132 encePairwiseOnDemand]: 122/137 looper letters, 427 selfloop transitions, 69 changer transitions 1/515 dead transitions. [2021-03-26 05:21:05,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 515 transitions, 14243 flow [2021-03-26 05:21:05,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:21:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:21:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 801 transitions. [2021-03-26 05:21:05,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3897810218978102 [2021-03-26 05:21:05,287 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 801 transitions. [2021-03-26 05:21:05,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 801 transitions. [2021-03-26 05:21:05,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:05,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 801 transitions. [2021-03-26 05:21:05,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.4) internal successors, (801), 15 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:05,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:05,289 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:05,289 INFO L185 Difference]: Start difference. First operand has 473 places, 496 transitions, 12830 flow. Second operand 15 states and 801 transitions. [2021-03-26 05:21:05,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 515 transitions, 14243 flow [2021-03-26 05:21:05,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 515 transitions, 13530 flow, removed 51 selfloop flow, removed 38 redundant places. [2021-03-26 05:21:05,808 INFO L241 Difference]: Finished difference. Result has 452 places, 498 transitions, 12420 flow [2021-03-26 05:21:05,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12132, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12420, PETRI_PLACES=452, PETRI_TRANSITIONS=498} [2021-03-26 05:21:05,809 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 399 predicate places. [2021-03-26 05:21:05,809 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:05,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 498 transitions, 12420 flow [2021-03-26 05:21:05,809 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 498 transitions, 12420 flow [2021-03-26 05:21:05,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 498 transitions, 12420 flow [2021-03-26 05:21:05,989 INFO L129 PetriNetUnfolder]: 434/1045 cut-off events. [2021-03-26 05:21:05,989 INFO L130 PetriNetUnfolder]: For 59480/59535 co-relation queries the response was YES. [2021-03-26 05:21:06,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11237 conditions, 1045 events. 434/1045 cut-off events. For 59480/59535 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6894 event pairs, 4 based on Foata normal form. 7/911 useless extension candidates. Maximal degree in co-relation 11026. Up to 254 conditions per place. [2021-03-26 05:21:06,018 INFO L142 LiptonReduction]: Number of co-enabled transitions 1750 [2021-03-26 05:21:06,048 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:06,048 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:06,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-03-26 05:21:06,048 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 498 transitions, 12420 flow [2021-03-26 05:21:06,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:06,049 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:06,049 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:06,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-03-26 05:21:06,049 INFO L428 AbstractCegarLoop]: === Iteration 237 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:06,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:06,049 INFO L82 PathProgramCache]: Analyzing trace with hash 600418660, now seen corresponding path program 1 times [2021-03-26 05:21:06,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:06,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659657628] [2021-03-26 05:21:06,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:06,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:06,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:06,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:06,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:06,069 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:21:06,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:06,075 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:21:06,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:06,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:06,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:21:06,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:06,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:21:06,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:06,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:21:06,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:06,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:21:06,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:06,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:06,161 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:21:06,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:06,177 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:06,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659657628] [2021-03-26 05:21:06,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:06,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:06,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370401450] [2021-03-26 05:21:06,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:06,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:06,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:06,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:06,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:06,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 498 transitions, 12420 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:06,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:06,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:06,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:06,982 INFO L129 PetriNetUnfolder]: 499/1143 cut-off events. [2021-03-26 05:21:06,982 INFO L130 PetriNetUnfolder]: For 62099/62103 co-relation queries the response was YES. [2021-03-26 05:21:06,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12811 conditions, 1143 events. 499/1143 cut-off events. For 62099/62103 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7315 event pairs, 8 based on Foata normal form. 5/1000 useless extension candidates. Maximal degree in co-relation 12595. Up to 676 conditions per place. [2021-03-26 05:21:06,999 INFO L132 encePairwiseOnDemand]: 120/137 looper letters, 444 selfloop transitions, 48 changer transitions 0/510 dead transitions. [2021-03-26 05:21:07,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 510 transitions, 13588 flow [2021-03-26 05:21:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:21:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:21:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 05:21:07,001 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38910724312184164 [2021-03-26 05:21:07,001 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 05:21:07,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 05:21:07,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:07,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 05:21:07,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:07,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 137.0) internal successors, (1918), 14 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:07,003 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 137.0) internal successors, (1918), 14 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:07,003 INFO L185 Difference]: Start difference. First operand has 451 places, 498 transitions, 12420 flow. Second operand 13 states and 693 transitions. [2021-03-26 05:21:07,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 510 transitions, 13588 flow [2021-03-26 05:21:07,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 510 transitions, 13472 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-26 05:21:07,395 INFO L241 Difference]: Finished difference. Result has 453 places, 499 transitions, 12512 flow [2021-03-26 05:21:07,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12307, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=12512, PETRI_PLACES=453, PETRI_TRANSITIONS=499} [2021-03-26 05:21:07,396 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 400 predicate places. [2021-03-26 05:21:07,396 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:07,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 499 transitions, 12512 flow [2021-03-26 05:21:07,396 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 499 transitions, 12512 flow [2021-03-26 05:21:07,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 453 places, 499 transitions, 12512 flow [2021-03-26 05:21:07,586 INFO L129 PetriNetUnfolder]: 443/1065 cut-off events. [2021-03-26 05:21:07,586 INFO L130 PetriNetUnfolder]: For 61055/61057 co-relation queries the response was YES. [2021-03-26 05:21:07,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11723 conditions, 1065 events. 443/1065 cut-off events. For 61055/61057 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6984 event pairs, 14 based on Foata normal form. 1/931 useless extension candidates. Maximal degree in co-relation 11511. Up to 267 conditions per place. [2021-03-26 05:21:07,618 INFO L142 LiptonReduction]: Number of co-enabled transitions 1762 [2021-03-26 05:21:07,647 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:07,647 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:07,647 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 251 [2021-03-26 05:21:07,647 INFO L480 AbstractCegarLoop]: Abstraction has has 453 places, 499 transitions, 12512 flow [2021-03-26 05:21:07,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:07,648 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:07,648 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:07,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-03-26 05:21:07,648 INFO L428 AbstractCegarLoop]: === Iteration 238 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:07,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:07,648 INFO L82 PathProgramCache]: Analyzing trace with hash 2065519350, now seen corresponding path program 11 times [2021-03-26 05:21:07,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:07,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543926270] [2021-03-26 05:21:07,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:07,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:07,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:07,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:07,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:07,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:07,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:07,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:07,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:07,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:07,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:07,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:07,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:07,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:07,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:07,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:07,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:07,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:07,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:07,754 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:21:07,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:07,771 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:07,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:07,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543926270] [2021-03-26 05:21:07,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:07,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:07,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006345684] [2021-03-26 05:21:07,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:07,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:07,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:07,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:07,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:07,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 499 transitions, 12512 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:07,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:07,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:07,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:08,507 INFO L129 PetriNetUnfolder]: 506/1172 cut-off events. [2021-03-26 05:21:08,507 INFO L130 PetriNetUnfolder]: For 63571/63579 co-relation queries the response was YES. [2021-03-26 05:21:08,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13031 conditions, 1172 events. 506/1172 cut-off events. For 63571/63579 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 7596 event pairs, 17 based on Foata normal form. 9/1025 useless extension candidates. Maximal degree in co-relation 12814. Up to 660 conditions per place. [2021-03-26 05:21:08,531 INFO L132 encePairwiseOnDemand]: 122/137 looper letters, 434 selfloop transitions, 63 changer transitions 0/515 dead transitions. [2021-03-26 05:21:08,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 515 transitions, 13841 flow [2021-03-26 05:21:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:21:08,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:21:08,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 796 transitions. [2021-03-26 05:21:08,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3873479318734793 [2021-03-26 05:21:08,533 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 796 transitions. [2021-03-26 05:21:08,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 796 transitions. [2021-03-26 05:21:08,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:08,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 796 transitions. [2021-03-26 05:21:08,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.06666666666667) internal successors, (796), 15 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:08,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:08,534 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:08,534 INFO L185 Difference]: Start difference. First operand has 453 places, 499 transitions, 12512 flow. Second operand 15 states and 796 transitions. [2021-03-26 05:21:08,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 515 transitions, 13841 flow [2021-03-26 05:21:08,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 515 transitions, 13714 flow, removed 20 selfloop flow, removed 11 redundant places. [2021-03-26 05:21:08,996 INFO L241 Difference]: Finished difference. Result has 459 places, 501 transitions, 12720 flow [2021-03-26 05:21:08,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12385, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12720, PETRI_PLACES=459, PETRI_TRANSITIONS=501} [2021-03-26 05:21:08,996 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 406 predicate places. [2021-03-26 05:21:08,996 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:08,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 459 places, 501 transitions, 12720 flow [2021-03-26 05:21:08,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 459 places, 501 transitions, 12720 flow [2021-03-26 05:21:09,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 501 transitions, 12720 flow [2021-03-26 05:21:09,188 INFO L129 PetriNetUnfolder]: 429/1048 cut-off events. [2021-03-26 05:21:09,188 INFO L130 PetriNetUnfolder]: For 60349/60405 co-relation queries the response was YES. [2021-03-26 05:21:09,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11357 conditions, 1048 events. 429/1048 cut-off events. For 60349/60405 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6974 event pairs, 12 based on Foata normal form. 8/915 useless extension candidates. Maximal degree in co-relation 11142. Up to 254 conditions per place. [2021-03-26 05:21:09,218 INFO L142 LiptonReduction]: Number of co-enabled transitions 1788 [2021-03-26 05:21:09,247 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:09,247 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:09,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 251 [2021-03-26 05:21:09,248 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 501 transitions, 12720 flow [2021-03-26 05:21:09,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:09,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:09,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:09,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-03-26 05:21:09,248 INFO L428 AbstractCegarLoop]: === Iteration 239 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:09,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:09,248 INFO L82 PathProgramCache]: Analyzing trace with hash -601567442, now seen corresponding path program 12 times [2021-03-26 05:21:09,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:09,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063117339] [2021-03-26 05:21:09,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:09,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:09,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:09,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:09,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:09,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:09,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:09,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:09,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:09,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:09,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:09,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:09,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:09,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:09,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:09,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:09,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:09,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:09,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:09,351 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:09,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:09,368 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:09,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:09,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:09,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063117339] [2021-03-26 05:21:09,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:09,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:09,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892634154] [2021-03-26 05:21:09,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:09,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:09,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:09,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:09,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:09,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 501 transitions, 12720 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:09,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:09,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:09,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:10,172 INFO L129 PetriNetUnfolder]: 506/1177 cut-off events. [2021-03-26 05:21:10,172 INFO L130 PetriNetUnfolder]: For 67211/67213 co-relation queries the response was YES. [2021-03-26 05:21:10,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13155 conditions, 1177 events. 506/1177 cut-off events. For 67211/67213 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 7681 event pairs, 17 based on Foata normal form. 3/1023 useless extension candidates. Maximal degree in co-relation 12935. Up to 659 conditions per place. [2021-03-26 05:21:10,195 INFO L132 encePairwiseOnDemand]: 121/137 looper letters, 429 selfloop transitions, 66 changer transitions 4/517 dead transitions. [2021-03-26 05:21:10,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 517 transitions, 13974 flow [2021-03-26 05:21:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:21:10,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:21:10,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 850 transitions. [2021-03-26 05:21:10,196 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38777372262773724 [2021-03-26 05:21:10,196 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 850 transitions. [2021-03-26 05:21:10,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 850 transitions. [2021-03-26 05:21:10,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:10,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 850 transitions. [2021-03-26 05:21:10,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.125) internal successors, (850), 16 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:10,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:10,198 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:10,198 INFO L185 Difference]: Start difference. First operand has 459 places, 501 transitions, 12720 flow. Second operand 16 states and 850 transitions. [2021-03-26 05:21:10,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 517 transitions, 13974 flow [2021-03-26 05:21:10,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 517 transitions, 13831 flow, removed 33 selfloop flow, removed 10 redundant places. [2021-03-26 05:21:10,732 INFO L241 Difference]: Finished difference. Result has 466 places, 499 transitions, 12672 flow [2021-03-26 05:21:10,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12577, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=12672, PETRI_PLACES=466, PETRI_TRANSITIONS=499} [2021-03-26 05:21:10,733 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 413 predicate places. [2021-03-26 05:21:10,733 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:10,733 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 499 transitions, 12672 flow [2021-03-26 05:21:10,733 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 499 transitions, 12672 flow [2021-03-26 05:21:10,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 464 places, 499 transitions, 12672 flow [2021-03-26 05:21:10,936 INFO L129 PetriNetUnfolder]: 448/1083 cut-off events. [2021-03-26 05:21:10,936 INFO L130 PetriNetUnfolder]: For 64847/64849 co-relation queries the response was YES. [2021-03-26 05:21:10,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11908 conditions, 1083 events. 448/1083 cut-off events. For 64847/64849 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7122 event pairs, 7 based on Foata normal form. 1/942 useless extension candidates. Maximal degree in co-relation 11691. Up to 266 conditions per place. [2021-03-26 05:21:10,966 INFO L142 LiptonReduction]: Number of co-enabled transitions 1778 [2021-03-26 05:21:10,994 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:10,995 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:10,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 262 [2021-03-26 05:21:10,995 INFO L480 AbstractCegarLoop]: Abstraction has has 464 places, 499 transitions, 12672 flow [2021-03-26 05:21:10,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:10,995 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:10,995 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:10,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-03-26 05:21:10,995 INFO L428 AbstractCegarLoop]: === Iteration 240 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:10,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:10,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1976052760, now seen corresponding path program 13 times [2021-03-26 05:21:10,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:10,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518603577] [2021-03-26 05:21:10,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:11,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:11,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:11,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:11,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:11,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:11,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:11,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:11,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:11,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:11,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:11,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:11,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:11,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:11,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:11,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:11,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:11,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:11,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:11,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:11,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:11,115 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:11,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:11,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518603577] [2021-03-26 05:21:11,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:11,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:11,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272985754] [2021-03-26 05:21:11,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:11,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:11,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:11,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:11,119 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:11,119 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 499 transitions, 12672 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:11,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:11,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:11,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:11,856 INFO L129 PetriNetUnfolder]: 499/1149 cut-off events. [2021-03-26 05:21:11,856 INFO L130 PetriNetUnfolder]: For 65932/65936 co-relation queries the response was YES. [2021-03-26 05:21:11,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12983 conditions, 1149 events. 499/1149 cut-off events. For 65932/65936 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7395 event pairs, 9 based on Foata normal form. 5/1004 useless extension candidates. Maximal degree in co-relation 12761. Up to 657 conditions per place. [2021-03-26 05:21:11,878 INFO L132 encePairwiseOnDemand]: 122/137 looper letters, 432 selfloop transitions, 59 changer transitions 4/513 dead transitions. [2021-03-26 05:21:11,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 513 transitions, 13904 flow [2021-03-26 05:21:11,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:21:11,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:21:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 748 transitions. [2021-03-26 05:21:11,880 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3899895724713243 [2021-03-26 05:21:11,880 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 748 transitions. [2021-03-26 05:21:11,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 748 transitions. [2021-03-26 05:21:11,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:11,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 748 transitions. [2021-03-26 05:21:11,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.42857142857143) internal successors, (748), 14 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:11,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 137.0) internal successors, (2055), 15 states have internal predecessors, (2055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:11,882 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 137.0) internal successors, (2055), 15 states have internal predecessors, (2055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:11,882 INFO L185 Difference]: Start difference. First operand has 464 places, 499 transitions, 12672 flow. Second operand 14 states and 748 transitions. [2021-03-26 05:21:11,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 513 transitions, 13904 flow [2021-03-26 05:21:12,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 513 transitions, 13638 flow, removed 26 selfloop flow, removed 18 redundant places. [2021-03-26 05:21:12,355 INFO L241 Difference]: Finished difference. Result has 461 places, 497 transitions, 12438 flow [2021-03-26 05:21:12,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12410, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12438, PETRI_PLACES=461, PETRI_TRANSITIONS=497} [2021-03-26 05:21:12,355 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 408 predicate places. [2021-03-26 05:21:12,355 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:12,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 497 transitions, 12438 flow [2021-03-26 05:21:12,356 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 497 transitions, 12438 flow [2021-03-26 05:21:12,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 460 places, 497 transitions, 12438 flow [2021-03-26 05:21:12,545 INFO L129 PetriNetUnfolder]: 423/1023 cut-off events. [2021-03-26 05:21:12,545 INFO L130 PetriNetUnfolder]: For 60148/60203 co-relation queries the response was YES. [2021-03-26 05:21:12,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11206 conditions, 1023 events. 423/1023 cut-off events. For 60148/60203 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6732 event pairs, 5 based on Foata normal form. 7/897 useless extension candidates. Maximal degree in co-relation 10991. Up to 251 conditions per place. [2021-03-26 05:21:12,574 INFO L142 LiptonReduction]: Number of co-enabled transitions 1766 [2021-03-26 05:21:12,602 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:12,603 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:12,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 248 [2021-03-26 05:21:12,603 INFO L480 AbstractCegarLoop]: Abstraction has has 460 places, 497 transitions, 12438 flow [2021-03-26 05:21:12,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:12,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:12,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:12,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-03-26 05:21:12,603 INFO L428 AbstractCegarLoop]: === Iteration 241 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:12,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:12,604 INFO L82 PathProgramCache]: Analyzing trace with hash 893531792, now seen corresponding path program 14 times [2021-03-26 05:21:12,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:12,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186710483] [2021-03-26 05:21:12,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:12,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:12,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:12,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:12,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:12,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:12,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:12,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:12,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:12,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:12,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:12,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:12,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:12,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:12,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:12,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:12,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:12,694 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:12,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:12,715 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:12,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:12,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:12,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186710483] [2021-03-26 05:21:12,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:12,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:21:12,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687654955] [2021-03-26 05:21:12,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:21:12,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:12,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:21:12,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:21:12,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:12,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 497 transitions, 12438 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:12,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:12,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:12,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:13,478 INFO L129 PetriNetUnfolder]: 498/1145 cut-off events. [2021-03-26 05:21:13,479 INFO L130 PetriNetUnfolder]: For 63454/63462 co-relation queries the response was YES. [2021-03-26 05:21:13,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12826 conditions, 1145 events. 498/1145 cut-off events. For 63454/63462 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7366 event pairs, 17 based on Foata normal form. 9/1005 useless extension candidates. Maximal degree in co-relation 12606. Up to 640 conditions per place. [2021-03-26 05:21:13,501 INFO L132 encePairwiseOnDemand]: 121/137 looper letters, 411 selfloop transitions, 83 changer transitions 0/512 dead transitions. [2021-03-26 05:21:13,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 512 transitions, 13632 flow [2021-03-26 05:21:13,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:21:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:21:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 800 transitions. [2021-03-26 05:21:13,502 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38929440389294406 [2021-03-26 05:21:13,502 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 800 transitions. [2021-03-26 05:21:13,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 800 transitions. [2021-03-26 05:21:13,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:13,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 800 transitions. [2021-03-26 05:21:13,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.333333333333336) internal successors, (800), 15 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:13,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:13,504 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:13,504 INFO L185 Difference]: Start difference. First operand has 460 places, 497 transitions, 12438 flow. Second operand 15 states and 800 transitions. [2021-03-26 05:21:13,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 512 transitions, 13632 flow [2021-03-26 05:21:13,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 512 transitions, 13472 flow, removed 3 selfloop flow, removed 15 redundant places. [2021-03-26 05:21:13,988 INFO L241 Difference]: Finished difference. Result has 462 places, 500 transitions, 12649 flow [2021-03-26 05:21:13,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12283, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12649, PETRI_PLACES=462, PETRI_TRANSITIONS=500} [2021-03-26 05:21:13,988 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 409 predicate places. [2021-03-26 05:21:13,989 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:13,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 500 transitions, 12649 flow [2021-03-26 05:21:13,989 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 500 transitions, 12649 flow [2021-03-26 05:21:13,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 462 places, 500 transitions, 12649 flow [2021-03-26 05:21:14,197 INFO L129 PetriNetUnfolder]: 425/1017 cut-off events. [2021-03-26 05:21:14,197 INFO L130 PetriNetUnfolder]: For 63146/63203 co-relation queries the response was YES. [2021-03-26 05:21:14,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11101 conditions, 1017 events. 425/1017 cut-off events. For 63146/63203 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6749 event pairs, 6 based on Foata normal form. 8/892 useless extension candidates. Maximal degree in co-relation 10886. Up to 252 conditions per place. [2021-03-26 05:21:14,222 INFO L142 LiptonReduction]: Number of co-enabled transitions 1806 [2021-03-26 05:21:14,251 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:14,251 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:14,251 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 262 [2021-03-26 05:21:14,251 INFO L480 AbstractCegarLoop]: Abstraction has has 462 places, 500 transitions, 12649 flow [2021-03-26 05:21:14,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:14,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:14,252 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:14,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-03-26 05:21:14,252 INFO L428 AbstractCegarLoop]: === Iteration 242 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:14,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:14,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1625225744, now seen corresponding path program 15 times [2021-03-26 05:21:14,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:14,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862932152] [2021-03-26 05:21:14,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:14,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:14,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:14,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:14,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:14,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:14,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:14,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:14,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:14,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:14,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:14,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:14,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:14,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:14,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:14,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:14,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:14,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:14,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:14,362 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:14,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:14,380 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:14,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:14,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862932152] [2021-03-26 05:21:14,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:14,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:14,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440372686] [2021-03-26 05:21:14,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:14,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:14,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:14,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:14,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:14,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 500 transitions, 12649 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:14,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:14,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:14,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:15,306 INFO L129 PetriNetUnfolder]: 503/1159 cut-off events. [2021-03-26 05:21:15,307 INFO L130 PetriNetUnfolder]: For 68081/68083 co-relation queries the response was YES. [2021-03-26 05:21:15,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13176 conditions, 1159 events. 503/1159 cut-off events. For 68081/68083 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7477 event pairs, 17 based on Foata normal form. 4/1012 useless extension candidates. Maximal degree in co-relation 12956. Up to 626 conditions per place. [2021-03-26 05:21:15,330 INFO L132 encePairwiseOnDemand]: 121/137 looper letters, 393 selfloop transitions, 102 changer transitions 12/525 dead transitions. [2021-03-26 05:21:15,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 525 transitions, 14442 flow [2021-03-26 05:21:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 05:21:15,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 05:21:15,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1013 transitions. [2021-03-26 05:21:15,332 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3891663465232424 [2021-03-26 05:21:15,332 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1013 transitions. [2021-03-26 05:21:15,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1013 transitions. [2021-03-26 05:21:15,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:15,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1013 transitions. [2021-03-26 05:21:15,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.31578947368421) internal successors, (1013), 19 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:15,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 137.0) internal successors, (2740), 20 states have internal predecessors, (2740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:15,333 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 137.0) internal successors, (2740), 20 states have internal predecessors, (2740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:15,333 INFO L185 Difference]: Start difference. First operand has 462 places, 500 transitions, 12649 flow. Second operand 19 states and 1013 transitions. [2021-03-26 05:21:15,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 525 transitions, 14442 flow [2021-03-26 05:21:15,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 525 transitions, 14284 flow, removed 13 selfloop flow, removed 13 redundant places. [2021-03-26 05:21:15,768 INFO L241 Difference]: Finished difference. Result has 469 places, 498 transitions, 13078 flow [2021-03-26 05:21:15,769 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12491, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=13078, PETRI_PLACES=469, PETRI_TRANSITIONS=498} [2021-03-26 05:21:15,769 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 416 predicate places. [2021-03-26 05:21:15,769 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:15,769 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 469 places, 498 transitions, 13078 flow [2021-03-26 05:21:15,769 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 469 places, 498 transitions, 13078 flow [2021-03-26 05:21:15,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 498 transitions, 13078 flow [2021-03-26 05:21:15,938 INFO L129 PetriNetUnfolder]: 420/998 cut-off events. [2021-03-26 05:21:15,938 INFO L130 PetriNetUnfolder]: For 65712/65769 co-relation queries the response was YES. [2021-03-26 05:21:15,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11315 conditions, 998 events. 420/998 cut-off events. For 65712/65769 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6522 event pairs, 8 based on Foata normal form. 8/878 useless extension candidates. Maximal degree in co-relation 11098. Up to 253 conditions per place. [2021-03-26 05:21:15,964 INFO L142 LiptonReduction]: Number of co-enabled transitions 1754 [2021-03-26 05:21:15,993 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:15,993 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:15,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-03-26 05:21:15,993 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 498 transitions, 13078 flow [2021-03-26 05:21:15,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:15,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:15,994 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:15,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-03-26 05:21:15,994 INFO L428 AbstractCegarLoop]: === Iteration 243 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:15,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:15,994 INFO L82 PathProgramCache]: Analyzing trace with hash -2069910748, now seen corresponding path program 16 times [2021-03-26 05:21:15,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:15,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956446971] [2021-03-26 05:21:15,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:16,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:16,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:16,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:16,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:16,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:16,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:16,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:16,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:16,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:16,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:16,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:16,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:16,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:16,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:16,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:16,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:16,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:16,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:16,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:16,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:16,114 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:16,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:16,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956446971] [2021-03-26 05:21:16,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:16,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:16,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184197224] [2021-03-26 05:21:16,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:16,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:16,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:16,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:16,118 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:16,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 498 transitions, 13078 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:16,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:16,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:16,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:16,750 INFO L129 PetriNetUnfolder]: 495/1133 cut-off events. [2021-03-26 05:21:16,750 INFO L130 PetriNetUnfolder]: For 69009/69013 co-relation queries the response was YES. [2021-03-26 05:21:16,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13113 conditions, 1133 events. 495/1133 cut-off events. For 69009/69013 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7218 event pairs, 13 based on Foata normal form. 5/992 useless extension candidates. Maximal degree in co-relation 12891. Up to 657 conditions per place. [2021-03-26 05:21:16,771 INFO L132 encePairwiseOnDemand]: 122/137 looper letters, 436 selfloop transitions, 54 changer transitions 3/511 dead transitions. [2021-03-26 05:21:16,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 511 transitions, 14223 flow [2021-03-26 05:21:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:21:16,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:21:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 793 transitions. [2021-03-26 05:21:16,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3858880778588808 [2021-03-26 05:21:16,772 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 793 transitions. [2021-03-26 05:21:16,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 793 transitions. [2021-03-26 05:21:16,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:16,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 793 transitions. [2021-03-26 05:21:16,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.86666666666667) internal successors, (793), 15 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:16,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:16,774 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:16,774 INFO L185 Difference]: Start difference. First operand has 467 places, 498 transitions, 13078 flow. Second operand 15 states and 793 transitions. [2021-03-26 05:21:16,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 511 transitions, 14223 flow [2021-03-26 05:21:17,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 511 transitions, 13401 flow, removed 297 selfloop flow, removed 22 redundant places. [2021-03-26 05:21:17,204 INFO L241 Difference]: Finished difference. Result has 461 places, 496 transitions, 12333 flow [2021-03-26 05:21:17,204 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12258, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12333, PETRI_PLACES=461, PETRI_TRANSITIONS=496} [2021-03-26 05:21:17,204 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 408 predicate places. [2021-03-26 05:21:17,204 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:17,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 496 transitions, 12333 flow [2021-03-26 05:21:17,205 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 496 transitions, 12333 flow [2021-03-26 05:21:17,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 460 places, 496 transitions, 12333 flow [2021-03-26 05:21:17,366 INFO L129 PetriNetUnfolder]: 420/1010 cut-off events. [2021-03-26 05:21:17,366 INFO L130 PetriNetUnfolder]: For 57940/57996 co-relation queries the response was YES. [2021-03-26 05:21:17,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10938 conditions, 1010 events. 420/1010 cut-off events. For 57940/57996 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 6605 event pairs, 7 based on Foata normal form. 8/886 useless extension candidates. Maximal degree in co-relation 10725. Up to 240 conditions per place. [2021-03-26 05:21:17,392 INFO L142 LiptonReduction]: Number of co-enabled transitions 1754 [2021-03-26 05:21:17,420 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:17,420 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:17,420 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 216 [2021-03-26 05:21:17,420 INFO L480 AbstractCegarLoop]: Abstraction has has 460 places, 496 transitions, 12333 flow [2021-03-26 05:21:17,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:17,420 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:17,420 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:17,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-03-26 05:21:17,420 INFO L428 AbstractCegarLoop]: === Iteration 244 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:17,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:17,421 INFO L82 PathProgramCache]: Analyzing trace with hash 444356632, now seen corresponding path program 17 times [2021-03-26 05:21:17,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:17,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531960521] [2021-03-26 05:21:17,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:17,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:17,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:17,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:17,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:17,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:17,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:17,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:17,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:17,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:17,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:17,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:17,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:17,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:17,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:17,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:17,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:17,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:17,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:17,553 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:17,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:17,587 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:17,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:17,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:17,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531960521] [2021-03-26 05:21:17,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:17,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:17,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229284052] [2021-03-26 05:21:17,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:17,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:17,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:17,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:17,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:17,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 496 transitions, 12333 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:17,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:17,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:17,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:18,202 INFO L129 PetriNetUnfolder]: 492/1121 cut-off events. [2021-03-26 05:21:18,202 INFO L130 PetriNetUnfolder]: For 63229/63233 co-relation queries the response was YES. [2021-03-26 05:21:18,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12647 conditions, 1121 events. 492/1121 cut-off events. For 63229/63233 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 7112 event pairs, 13 based on Foata normal form. 5/983 useless extension candidates. Maximal degree in co-relation 12439. Up to 656 conditions per place. [2021-03-26 05:21:18,222 INFO L132 encePairwiseOnDemand]: 121/137 looper letters, 440 selfloop transitions, 43 changer transitions 9/510 dead transitions. [2021-03-26 05:21:18,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 510 transitions, 13537 flow [2021-03-26 05:21:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:21:18,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:21:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 840 transitions. [2021-03-26 05:21:18,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38321167883211676 [2021-03-26 05:21:18,224 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 840 transitions. [2021-03-26 05:21:18,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 840 transitions. [2021-03-26 05:21:18,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:18,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 840 transitions. [2021-03-26 05:21:18,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.5) internal successors, (840), 16 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:18,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:18,225 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:18,225 INFO L185 Difference]: Start difference. First operand has 460 places, 496 transitions, 12333 flow. Second operand 16 states and 840 transitions. [2021-03-26 05:21:18,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 510 transitions, 13537 flow [2021-03-26 05:21:18,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 510 transitions, 13401 flow, removed 3 selfloop flow, removed 16 redundant places. [2021-03-26 05:21:18,625 INFO L241 Difference]: Finished difference. Result has 461 places, 490 transitions, 12138 flow [2021-03-26 05:21:18,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12199, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=12138, PETRI_PLACES=461, PETRI_TRANSITIONS=490} [2021-03-26 05:21:18,625 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 408 predicate places. [2021-03-26 05:21:18,625 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:18,625 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 490 transitions, 12138 flow [2021-03-26 05:21:18,626 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 490 transitions, 12138 flow [2021-03-26 05:21:18,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 490 transitions, 12138 flow [2021-03-26 05:21:18,787 INFO L129 PetriNetUnfolder]: 430/1016 cut-off events. [2021-03-26 05:21:18,787 INFO L130 PetriNetUnfolder]: For 59071/59121 co-relation queries the response was YES. [2021-03-26 05:21:18,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11248 conditions, 1016 events. 430/1016 cut-off events. For 59071/59121 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 6525 event pairs, 10 based on Foata normal form. 5/892 useless extension candidates. Maximal degree in co-relation 11042. Up to 248 conditions per place. [2021-03-26 05:21:18,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 1718 [2021-03-26 05:21:18,842 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:18,842 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:18,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 217 [2021-03-26 05:21:18,842 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 490 transitions, 12138 flow [2021-03-26 05:21:18,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:18,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:18,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:18,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-03-26 05:21:18,842 INFO L428 AbstractCegarLoop]: === Iteration 245 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:18,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:18,843 INFO L82 PathProgramCache]: Analyzing trace with hash 301408152, now seen corresponding path program 18 times [2021-03-26 05:21:18,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:18,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907313943] [2021-03-26 05:21:18,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:18,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:18,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:18,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:18,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:18,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:18,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:18,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:18,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:18,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:18,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:18,943 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:21:18,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:18,957 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:21:18,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:18,973 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:18,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:18,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907313943] [2021-03-26 05:21:18,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:18,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:18,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145227174] [2021-03-26 05:21:18,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:18,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:18,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:18,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:18,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:18,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 490 transitions, 12138 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:18,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:18,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:18,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:19,641 INFO L129 PetriNetUnfolder]: 495/1112 cut-off events. [2021-03-26 05:21:19,641 INFO L130 PetriNetUnfolder]: For 69294/69296 co-relation queries the response was YES. [2021-03-26 05:21:19,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13175 conditions, 1112 events. 495/1112 cut-off events. For 69294/69296 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6964 event pairs, 13 based on Foata normal form. 3/977 useless extension candidates. Maximal degree in co-relation 12967. Up to 644 conditions per place. [2021-03-26 05:21:19,661 INFO L132 encePairwiseOnDemand]: 121/137 looper letters, 441 selfloop transitions, 57 changer transitions 2/518 dead transitions. [2021-03-26 05:21:19,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 518 transitions, 14285 flow [2021-03-26 05:21:19,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:21:19,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:21:19,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 801 transitions. [2021-03-26 05:21:19,662 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3897810218978102 [2021-03-26 05:21:19,662 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 801 transitions. [2021-03-26 05:21:19,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 801 transitions. [2021-03-26 05:21:19,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:19,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 801 transitions. [2021-03-26 05:21:19,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.4) internal successors, (801), 15 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:19,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:19,664 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:19,664 INFO L185 Difference]: Start difference. First operand has 454 places, 490 transitions, 12138 flow. Second operand 15 states and 801 transitions. [2021-03-26 05:21:19,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 518 transitions, 14285 flow [2021-03-26 05:21:20,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 518 transitions, 14022 flow, removed 23 selfloop flow, removed 23 redundant places. [2021-03-26 05:21:20,080 INFO L241 Difference]: Finished difference. Result has 448 places, 500 transitions, 12745 flow [2021-03-26 05:21:20,080 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=11903, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12745, PETRI_PLACES=448, PETRI_TRANSITIONS=500} [2021-03-26 05:21:20,081 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 395 predicate places. [2021-03-26 05:21:20,081 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:20,081 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 500 transitions, 12745 flow [2021-03-26 05:21:20,081 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 500 transitions, 12745 flow [2021-03-26 05:21:20,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 500 transitions, 12745 flow [2021-03-26 05:21:20,260 INFO L129 PetriNetUnfolder]: 423/999 cut-off events. [2021-03-26 05:21:20,260 INFO L130 PetriNetUnfolder]: For 62918/62974 co-relation queries the response was YES. [2021-03-26 05:21:20,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11341 conditions, 999 events. 423/999 cut-off events. For 62918/62974 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6489 event pairs, 9 based on Foata normal form. 8/880 useless extension candidates. Maximal degree in co-relation 11140. Up to 252 conditions per place. [2021-03-26 05:21:20,289 INFO L142 LiptonReduction]: Number of co-enabled transitions 1736 [2021-03-26 05:21:20,319 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:20,319 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:20,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 238 [2021-03-26 05:21:20,319 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 500 transitions, 12745 flow [2021-03-26 05:21:20,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:20,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:20,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:20,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-03-26 05:21:20,320 INFO L428 AbstractCegarLoop]: === Iteration 246 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:20,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:20,320 INFO L82 PathProgramCache]: Analyzing trace with hash -831814034, now seen corresponding path program 19 times [2021-03-26 05:21:20,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:20,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611840265] [2021-03-26 05:21:20,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:20,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:20,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:20,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:20,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:20,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:20,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:20,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:20,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:20,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:20,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:20,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:20,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:20,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:20,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:20,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:20,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:20,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:20,406 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:20,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:20,422 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:20,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:20,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611840265] [2021-03-26 05:21:20,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:20,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:21:20,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706263570] [2021-03-26 05:21:20,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:21:20,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:20,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:21:20,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:21:20,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 05:21:20,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 500 transitions, 12745 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:20,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:20,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 05:21:20,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:21,141 INFO L129 PetriNetUnfolder]: 506/1137 cut-off events. [2021-03-26 05:21:21,141 INFO L130 PetriNetUnfolder]: For 75347/75351 co-relation queries the response was YES. [2021-03-26 05:21:21,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13809 conditions, 1137 events. 506/1137 cut-off events. For 75347/75351 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7196 event pairs, 5 based on Foata normal form. 5/1002 useless extension candidates. Maximal degree in co-relation 13606. Up to 646 conditions per place. [2021-03-26 05:21:21,163 INFO L132 encePairwiseOnDemand]: 121/137 looper letters, 413 selfloop transitions, 96 changer transitions 0/527 dead transitions. [2021-03-26 05:21:21,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 527 transitions, 14848 flow [2021-03-26 05:21:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:21:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:21:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 799 transitions. [2021-03-26 05:21:21,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38880778588807785 [2021-03-26 05:21:21,165 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 799 transitions. [2021-03-26 05:21:21,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 799 transitions. [2021-03-26 05:21:21,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:21,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 799 transitions. [2021-03-26 05:21:21,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.266666666666666) internal successors, (799), 15 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:21,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:21,166 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:21,166 INFO L185 Difference]: Start difference. First operand has 446 places, 500 transitions, 12745 flow. Second operand 15 states and 799 transitions. [2021-03-26 05:21:21,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 527 transitions, 14848 flow [2021-03-26 05:21:21,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 527 transitions, 14462 flow, removed 177 selfloop flow, removed 7 redundant places. [2021-03-26 05:21:21,654 INFO L241 Difference]: Finished difference. Result has 455 places, 514 transitions, 13495 flow [2021-03-26 05:21:21,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=12383, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=13495, PETRI_PLACES=455, PETRI_TRANSITIONS=514} [2021-03-26 05:21:21,654 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 402 predicate places. [2021-03-26 05:21:21,654 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:21,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 514 transitions, 13495 flow [2021-03-26 05:21:21,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 514 transitions, 13495 flow [2021-03-26 05:21:21,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 455 places, 514 transitions, 13495 flow [2021-03-26 05:21:21,863 INFO L129 PetriNetUnfolder]: 461/1086 cut-off events. [2021-03-26 05:21:21,863 INFO L130 PetriNetUnfolder]: For 72324/72330 co-relation queries the response was YES. [2021-03-26 05:21:21,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12516 conditions, 1086 events. 461/1086 cut-off events. For 72324/72330 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7123 event pairs, 4 based on Foata normal form. 5/949 useless extension candidates. Maximal degree in co-relation 12305. Up to 279 conditions per place. [2021-03-26 05:21:21,896 INFO L142 LiptonReduction]: Number of co-enabled transitions 1788 [2021-03-26 05:21:21,991 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:21,991 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:21:21,991 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 337 [2021-03-26 05:21:21,992 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 514 transitions, 13550 flow [2021-03-26 05:21:21,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:21,992 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:21,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:21,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-03-26 05:21:21,992 INFO L428 AbstractCegarLoop]: === Iteration 247 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:21,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1046862462, now seen corresponding path program 20 times [2021-03-26 05:21:21,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:21,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663483012] [2021-03-26 05:21:21,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:22,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:22,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:22,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:22,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:22,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:22,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:22,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:22,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:22,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:22,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:22,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:22,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:22,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:22,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:22,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:22,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:22,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:22,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:22,115 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:22,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:22,126 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:22,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:22,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663483012] [2021-03-26 05:21:22,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:22,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:21:22,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149793217] [2021-03-26 05:21:22,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:21:22,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:22,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:21:22,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:21:22,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 138 [2021-03-26 05:21:22,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 514 transitions, 13550 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:22,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:22,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 138 [2021-03-26 05:21:22,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:23,152 INFO L129 PetriNetUnfolder]: 525/1194 cut-off events. [2021-03-26 05:21:23,152 INFO L130 PetriNetUnfolder]: For 81275/81283 co-relation queries the response was YES. [2021-03-26 05:21:23,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14396 conditions, 1194 events. 525/1194 cut-off events. For 81275/81283 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7729 event pairs, 14 based on Foata normal form. 9/1048 useless extension candidates. Maximal degree in co-relation 14180. Up to 647 conditions per place. [2021-03-26 05:21:23,177 INFO L132 encePairwiseOnDemand]: 121/138 looper letters, 407 selfloop transitions, 116 changer transitions 0/541 dead transitions. [2021-03-26 05:21:23,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 541 transitions, 15850 flow [2021-03-26 05:21:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:21:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:21:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 857 transitions. [2021-03-26 05:21:23,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38813405797101447 [2021-03-26 05:21:23,179 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 857 transitions. [2021-03-26 05:21:23,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 857 transitions. [2021-03-26 05:21:23,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:23,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 857 transitions. [2021-03-26 05:21:23,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.5625) internal successors, (857), 16 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:23,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 138.0) internal successors, (2346), 17 states have internal predecessors, (2346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:23,180 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 138.0) internal successors, (2346), 17 states have internal predecessors, (2346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:23,180 INFO L185 Difference]: Start difference. First operand has 455 places, 514 transitions, 13550 flow. Second operand 16 states and 857 transitions. [2021-03-26 05:21:23,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 541 transitions, 15850 flow [2021-03-26 05:21:23,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 541 transitions, 15020 flow, removed 397 selfloop flow, removed 7 redundant places. [2021-03-26 05:21:23,701 INFO L241 Difference]: Finished difference. Result has 468 places, 528 transitions, 14187 flow [2021-03-26 05:21:23,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=12956, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=14187, PETRI_PLACES=468, PETRI_TRANSITIONS=528} [2021-03-26 05:21:23,701 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 415 predicate places. [2021-03-26 05:21:23,701 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:23,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 468 places, 528 transitions, 14187 flow [2021-03-26 05:21:23,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 468 places, 528 transitions, 14187 flow [2021-03-26 05:21:23,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 528 transitions, 14187 flow [2021-03-26 05:21:23,915 INFO L129 PetriNetUnfolder]: 457/1077 cut-off events. [2021-03-26 05:21:23,916 INFO L130 PetriNetUnfolder]: For 75560/75617 co-relation queries the response was YES. [2021-03-26 05:21:23,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12385 conditions, 1077 events. 457/1077 cut-off events. For 75560/75617 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7172 event pairs, 5 based on Foata normal form. 8/942 useless extension candidates. Maximal degree in co-relation 12168. Up to 273 conditions per place. [2021-03-26 05:21:23,947 INFO L142 LiptonReduction]: Number of co-enabled transitions 1880 [2021-03-26 05:21:24,045 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:24,045 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:21:24,045 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 344 [2021-03-26 05:21:24,045 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 528 transitions, 14188 flow [2021-03-26 05:21:24,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:24,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:24,046 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:24,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-03-26 05:21:24,046 INFO L428 AbstractCegarLoop]: === Iteration 248 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:24,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:24,046 INFO L82 PathProgramCache]: Analyzing trace with hash 3840398, now seen corresponding path program 1 times [2021-03-26 05:21:24,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:24,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872169194] [2021-03-26 05:21:24,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:24,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:24,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:24,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:24,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:24,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:24,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:24,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:24,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:24,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:24,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:24,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:24,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:24,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:24,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:24,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:24,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:24,131 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:24,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:24,146 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:24,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:24,163 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:24,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:24,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872169194] [2021-03-26 05:21:24,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:24,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:24,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345348620] [2021-03-26 05:21:24,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:24,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:24,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:24,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:24,166 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:24,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 528 transitions, 14188 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:24,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:24,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:24,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:25,029 INFO L129 PetriNetUnfolder]: 522/1192 cut-off events. [2021-03-26 05:21:25,030 INFO L130 PetriNetUnfolder]: For 81300/81304 co-relation queries the response was YES. [2021-03-26 05:21:25,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14334 conditions, 1192 events. 522/1192 cut-off events. For 81300/81304 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7757 event pairs, 14 based on Foata normal form. 5/1045 useless extension candidates. Maximal degree in co-relation 14112. Up to 689 conditions per place. [2021-03-26 05:21:25,052 INFO L132 encePairwiseOnDemand]: 125/139 looper letters, 455 selfloop transitions, 65 changer transitions 5/543 dead transitions. [2021-03-26 05:21:25,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 543 transitions, 15632 flow [2021-03-26 05:21:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:21:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:21:25,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 797 transitions. [2021-03-26 05:21:25,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38225419664268584 [2021-03-26 05:21:25,054 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 797 transitions. [2021-03-26 05:21:25,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 797 transitions. [2021-03-26 05:21:25,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:25,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 797 transitions. [2021-03-26 05:21:25,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.13333333333333) internal successors, (797), 15 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:25,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:25,056 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:25,056 INFO L185 Difference]: Start difference. First operand has 468 places, 528 transitions, 14188 flow. Second operand 15 states and 797 transitions. [2021-03-26 05:21:25,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 543 transitions, 15632 flow [2021-03-26 05:21:25,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 543 transitions, 15013 flow, removed 287 selfloop flow, removed 8 redundant places. [2021-03-26 05:21:25,571 INFO L241 Difference]: Finished difference. Result has 478 places, 527 transitions, 13675 flow [2021-03-26 05:21:25,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=13569, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=13675, PETRI_PLACES=478, PETRI_TRANSITIONS=527} [2021-03-26 05:21:25,571 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 425 predicate places. [2021-03-26 05:21:25,572 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:25,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 478 places, 527 transitions, 13675 flow [2021-03-26 05:21:25,572 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 478 places, 527 transitions, 13675 flow [2021-03-26 05:21:25,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 478 places, 527 transitions, 13675 flow [2021-03-26 05:21:25,790 INFO L129 PetriNetUnfolder]: 450/1072 cut-off events. [2021-03-26 05:21:25,790 INFO L130 PetriNetUnfolder]: For 68645/68701 co-relation queries the response was YES. [2021-03-26 05:21:25,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12051 conditions, 1072 events. 450/1072 cut-off events. For 68645/68701 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7124 event pairs, 7 based on Foata normal form. 8/938 useless extension candidates. Maximal degree in co-relation 11829. Up to 255 conditions per place. [2021-03-26 05:21:25,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 1880 [2021-03-26 05:21:25,856 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:25,856 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:25,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 284 [2021-03-26 05:21:25,856 INFO L480 AbstractCegarLoop]: Abstraction has has 478 places, 527 transitions, 13675 flow [2021-03-26 05:21:25,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:25,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:25,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:25,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-03-26 05:21:25,857 INFO L428 AbstractCegarLoop]: === Iteration 249 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:25,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:25,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1473670023, now seen corresponding path program 1 times [2021-03-26 05:21:25,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:25,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025888846] [2021-03-26 05:21:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:25,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:25,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:25,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:25,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:25,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:25,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:25,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:25,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:25,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:25,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:25,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:25,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:25,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:25,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:25,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:25,929 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:21:25,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:25,943 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:25,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:25,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025888846] [2021-03-26 05:21:25,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:25,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:21:25,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679068178] [2021-03-26 05:21:25,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:21:25,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:25,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:21:25,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:21:25,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:25,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 527 transitions, 13675 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:25,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:25,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:25,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:26,694 INFO L129 PetriNetUnfolder]: 522/1189 cut-off events. [2021-03-26 05:21:26,695 INFO L130 PetriNetUnfolder]: For 76953/76957 co-relation queries the response was YES. [2021-03-26 05:21:26,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14034 conditions, 1189 events. 522/1189 cut-off events. For 76953/76957 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7750 event pairs, 5 based on Foata normal form. 5/1043 useless extension candidates. Maximal degree in co-relation 13807. Up to 694 conditions per place. [2021-03-26 05:21:26,720 INFO L132 encePairwiseOnDemand]: 123/139 looper letters, 453 selfloop transitions, 66 changer transitions 6/543 dead transitions. [2021-03-26 05:21:26,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 543 transitions, 15098 flow [2021-03-26 05:21:26,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:21:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:21:26,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 648 transitions. [2021-03-26 05:21:26,722 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38848920863309355 [2021-03-26 05:21:26,722 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 648 transitions. [2021-03-26 05:21:26,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 648 transitions. [2021-03-26 05:21:26,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:26,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 648 transitions. [2021-03-26 05:21:26,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.0) internal successors, (648), 12 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:26,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 139.0) internal successors, (1807), 13 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:26,723 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 139.0) internal successors, (1807), 13 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:26,723 INFO L185 Difference]: Start difference. First operand has 478 places, 527 transitions, 13675 flow. Second operand 12 states and 648 transitions. [2021-03-26 05:21:26,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 543 transitions, 15098 flow [2021-03-26 05:21:27,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 543 transitions, 14834 flow, removed 51 selfloop flow, removed 16 redundant places. [2021-03-26 05:21:27,311 INFO L241 Difference]: Finished difference. Result has 476 places, 526 transitions, 13563 flow [2021-03-26 05:21:27,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=13420, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13563, PETRI_PLACES=476, PETRI_TRANSITIONS=526} [2021-03-26 05:21:27,311 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 423 predicate places. [2021-03-26 05:21:27,311 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:27,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 476 places, 526 transitions, 13563 flow [2021-03-26 05:21:27,312 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 476 places, 526 transitions, 13563 flow [2021-03-26 05:21:27,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 476 places, 526 transitions, 13563 flow [2021-03-26 05:21:27,533 INFO L129 PetriNetUnfolder]: 447/1060 cut-off events. [2021-03-26 05:21:27,533 INFO L130 PetriNetUnfolder]: For 67645/67701 co-relation queries the response was YES. [2021-03-26 05:21:27,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12046 conditions, 1060 events. 447/1060 cut-off events. For 67645/67701 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6992 event pairs, 6 based on Foata normal form. 8/931 useless extension candidates. Maximal degree in co-relation 11824. Up to 252 conditions per place. [2021-03-26 05:21:27,566 INFO L142 LiptonReduction]: Number of co-enabled transitions 1828 [2021-03-26 05:21:27,598 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:27,598 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:27,599 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 288 [2021-03-26 05:21:27,599 INFO L480 AbstractCegarLoop]: Abstraction has has 476 places, 526 transitions, 13563 flow [2021-03-26 05:21:27,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:27,599 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:27,599 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:27,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-03-26 05:21:27,599 INFO L428 AbstractCegarLoop]: === Iteration 250 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:27,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:27,599 INFO L82 PathProgramCache]: Analyzing trace with hash 267539522, now seen corresponding path program 2 times [2021-03-26 05:21:27,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:27,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860021702] [2021-03-26 05:21:27,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:27,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:27,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:27,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:27,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:27,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:27,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:27,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:27,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:27,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:27,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:27,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:27,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:27,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:27,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:27,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:27,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:27,692 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:27,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:27,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:27,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:27,712 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:27,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860021702] [2021-03-26 05:21:27,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:27,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:21:27,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056699871] [2021-03-26 05:21:27,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:21:27,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:27,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:21:27,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:21:27,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:27,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 526 transitions, 13563 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:27,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:27,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:27,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:28,539 INFO L129 PetriNetUnfolder]: 522/1194 cut-off events. [2021-03-26 05:21:28,540 INFO L130 PetriNetUnfolder]: For 75822/75832 co-relation queries the response was YES. [2021-03-26 05:21:28,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14013 conditions, 1194 events. 522/1194 cut-off events. For 75822/75832 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7749 event pairs, 15 based on Foata normal form. 11/1054 useless extension candidates. Maximal degree in co-relation 13786. Up to 701 conditions per place. [2021-03-26 05:21:28,560 INFO L132 encePairwiseOnDemand]: 125/139 looper letters, 463 selfloop transitions, 59 changer transitions 2/542 dead transitions. [2021-03-26 05:21:28,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 542 transitions, 14911 flow [2021-03-26 05:21:28,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:21:28,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:21:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 740 transitions. [2021-03-26 05:21:28,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3802672147995889 [2021-03-26 05:21:28,561 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 740 transitions. [2021-03-26 05:21:28,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 740 transitions. [2021-03-26 05:21:28,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:28,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 740 transitions. [2021-03-26 05:21:28,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.857142857142854) internal successors, (740), 14 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:28,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:28,563 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:28,563 INFO L185 Difference]: Start difference. First operand has 476 places, 526 transitions, 13563 flow. Second operand 14 states and 740 transitions. [2021-03-26 05:21:28,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 542 transitions, 14911 flow [2021-03-26 05:21:29,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 542 transitions, 14591 flow, removed 45 selfloop flow, removed 15 redundant places. [2021-03-26 05:21:29,075 INFO L241 Difference]: Finished difference. Result has 479 places, 532 transitions, 13578 flow [2021-03-26 05:21:29,075 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=13245, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13578, PETRI_PLACES=479, PETRI_TRANSITIONS=532} [2021-03-26 05:21:29,075 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 426 predicate places. [2021-03-26 05:21:29,075 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:29,075 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 532 transitions, 13578 flow [2021-03-26 05:21:29,075 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 532 transitions, 13578 flow [2021-03-26 05:21:29,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 532 transitions, 13578 flow [2021-03-26 05:21:29,291 INFO L129 PetriNetUnfolder]: 451/1078 cut-off events. [2021-03-26 05:21:29,291 INFO L130 PetriNetUnfolder]: For 67845/67901 co-relation queries the response was YES. [2021-03-26 05:21:29,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12045 conditions, 1078 events. 451/1078 cut-off events. For 67845/67901 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7186 event pairs, 5 based on Foata normal form. 8/945 useless extension candidates. Maximal degree in co-relation 11823. Up to 256 conditions per place. [2021-03-26 05:21:29,323 INFO L142 LiptonReduction]: Number of co-enabled transitions 1888 [2021-03-26 05:21:29,356 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:29,357 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:29,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 282 [2021-03-26 05:21:29,357 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 532 transitions, 13578 flow [2021-03-26 05:21:29,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:29,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:29,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:29,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-03-26 05:21:29,357 INFO L428 AbstractCegarLoop]: === Iteration 251 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:29,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:29,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1570241558, now seen corresponding path program 3 times [2021-03-26 05:21:29,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:29,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718666474] [2021-03-26 05:21:29,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:29,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:29,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:29,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:29,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:29,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:29,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:29,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:29,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:29,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:29,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:29,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:29,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:29,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:29,460 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:21:29,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:29,477 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:29,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:29,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718666474] [2021-03-26 05:21:29,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:29,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:29,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961212099] [2021-03-26 05:21:29,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:29,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:29,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:29,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:29,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:29,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 532 transitions, 13578 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:29,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:29,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:29,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:30,308 INFO L129 PetriNetUnfolder]: 526/1211 cut-off events. [2021-03-26 05:21:30,308 INFO L130 PetriNetUnfolder]: For 76415/76421 co-relation queries the response was YES. [2021-03-26 05:21:30,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14082 conditions, 1211 events. 526/1211 cut-off events. For 76415/76421 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8007 event pairs, 7 based on Foata normal form. 7/1062 useless extension candidates. Maximal degree in co-relation 13855. Up to 692 conditions per place. [2021-03-26 05:21:30,333 INFO L132 encePairwiseOnDemand]: 125/139 looper letters, 456 selfloop transitions, 72 changer transitions 0/546 dead transitions. [2021-03-26 05:21:30,333 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 546 transitions, 14980 flow [2021-03-26 05:21:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:21:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:21:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 797 transitions. [2021-03-26 05:21:30,335 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38225419664268584 [2021-03-26 05:21:30,335 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 797 transitions. [2021-03-26 05:21:30,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 797 transitions. [2021-03-26 05:21:30,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:30,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 797 transitions. [2021-03-26 05:21:30,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.13333333333333) internal successors, (797), 15 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:30,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:30,336 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:30,336 INFO L185 Difference]: Start difference. First operand has 479 places, 532 transitions, 13578 flow. Second operand 15 states and 797 transitions. [2021-03-26 05:21:30,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 546 transitions, 14980 flow [2021-03-26 05:21:30,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 546 transitions, 14858 flow, removed 22 selfloop flow, removed 10 redundant places. [2021-03-26 05:21:30,912 INFO L241 Difference]: Finished difference. Result has 486 places, 534 transitions, 13823 flow [2021-03-26 05:21:30,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=13458, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=13823, PETRI_PLACES=486, PETRI_TRANSITIONS=534} [2021-03-26 05:21:30,913 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 433 predicate places. [2021-03-26 05:21:30,913 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:30,913 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 486 places, 534 transitions, 13823 flow [2021-03-26 05:21:30,913 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 486 places, 534 transitions, 13823 flow [2021-03-26 05:21:30,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 534 transitions, 13823 flow [2021-03-26 05:21:31,146 INFO L129 PetriNetUnfolder]: 460/1110 cut-off events. [2021-03-26 05:21:31,146 INFO L130 PetriNetUnfolder]: For 72676/72732 co-relation queries the response was YES. [2021-03-26 05:21:31,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12327 conditions, 1110 events. 460/1110 cut-off events. For 72676/72732 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7482 event pairs, 6 based on Foata normal form. 8/968 useless extension candidates. Maximal degree in co-relation 12103. Up to 257 conditions per place. [2021-03-26 05:21:31,177 INFO L142 LiptonReduction]: Number of co-enabled transitions 1914 [2021-03-26 05:21:31,210 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:31,210 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:31,210 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-03-26 05:21:31,211 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 534 transitions, 13823 flow [2021-03-26 05:21:31,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:31,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:31,211 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:31,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-03-26 05:21:31,211 INFO L428 AbstractCegarLoop]: === Iteration 252 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:31,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:31,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1618875690, now seen corresponding path program 4 times [2021-03-26 05:21:31,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:31,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807379145] [2021-03-26 05:21:31,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:31,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:31,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:31,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:31,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:31,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:31,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:31,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:31,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:31,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:31,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:31,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:31,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:31,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:31,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:31,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:31,319 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:21:31,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:31,336 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:31,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:31,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807379145] [2021-03-26 05:21:31,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:31,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:31,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560944167] [2021-03-26 05:21:31,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:31,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:31,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:31,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:31,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:31,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 534 transitions, 13823 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:31,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:31,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:31,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:32,246 INFO L129 PetriNetUnfolder]: 530/1230 cut-off events. [2021-03-26 05:21:32,246 INFO L130 PetriNetUnfolder]: For 82313/82317 co-relation queries the response was YES. [2021-03-26 05:21:32,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14359 conditions, 1230 events. 530/1230 cut-off events. For 82313/82317 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8099 event pairs, 14 based on Foata normal form. 5/1074 useless extension candidates. Maximal degree in co-relation 14130. Up to 695 conditions per place. [2021-03-26 05:21:32,267 INFO L132 encePairwiseOnDemand]: 125/139 looper letters, 456 selfloop transitions, 75 changer transitions 0/549 dead transitions. [2021-03-26 05:21:32,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 549 transitions, 15243 flow [2021-03-26 05:21:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:21:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:21:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 749 transitions. [2021-03-26 05:21:32,269 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38489208633093525 [2021-03-26 05:21:32,269 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 749 transitions. [2021-03-26 05:21:32,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 749 transitions. [2021-03-26 05:21:32,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:32,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 749 transitions. [2021-03-26 05:21:32,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.5) internal successors, (749), 14 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:32,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:32,270 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:32,270 INFO L185 Difference]: Start difference. First operand has 486 places, 534 transitions, 13823 flow. Second operand 14 states and 749 transitions. [2021-03-26 05:21:32,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 549 transitions, 15243 flow [2021-03-26 05:21:32,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 549 transitions, 15048 flow, removed 43 selfloop flow, removed 11 redundant places. [2021-03-26 05:21:32,830 INFO L241 Difference]: Finished difference. Result has 491 places, 536 transitions, 14008 flow [2021-03-26 05:21:32,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=13628, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=14008, PETRI_PLACES=491, PETRI_TRANSITIONS=536} [2021-03-26 05:21:32,830 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 438 predicate places. [2021-03-26 05:21:32,830 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:32,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 536 transitions, 14008 flow [2021-03-26 05:21:32,830 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 536 transitions, 14008 flow [2021-03-26 05:21:32,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 491 places, 536 transitions, 14008 flow [2021-03-26 05:21:33,081 INFO L129 PetriNetUnfolder]: 482/1165 cut-off events. [2021-03-26 05:21:33,081 INFO L130 PetriNetUnfolder]: For 78404/78409 co-relation queries the response was YES. [2021-03-26 05:21:33,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13188 conditions, 1165 events. 482/1165 cut-off events. For 78404/78409 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7888 event pairs, 9 based on Foata normal form. 4/1014 useless extension candidates. Maximal degree in co-relation 12961. Up to 272 conditions per place. [2021-03-26 05:21:33,118 INFO L142 LiptonReduction]: Number of co-enabled transitions 1940 [2021-03-26 05:21:33,152 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:33,152 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:33,152 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 322 [2021-03-26 05:21:33,153 INFO L480 AbstractCegarLoop]: Abstraction has has 491 places, 536 transitions, 14008 flow [2021-03-26 05:21:33,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:33,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:33,153 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:33,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-03-26 05:21:33,153 INFO L428 AbstractCegarLoop]: === Iteration 253 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:33,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:33,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1177918949, now seen corresponding path program 1 times [2021-03-26 05:21:33,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:33,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632099967] [2021-03-26 05:21:33,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:33,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:33,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:33,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:33,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:33,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:33,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:33,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:33,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:33,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:33,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:33,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:33,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:33,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:33,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:33,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:33,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:33,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:33,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:33,239 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:21:33,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:33,254 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:33,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:33,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632099967] [2021-03-26 05:21:33,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:33,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:21:33,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361704170] [2021-03-26 05:21:33,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:21:33,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:33,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:21:33,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:21:33,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:33,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 536 transitions, 14008 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:33,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:33,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:33,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:34,146 INFO L129 PetriNetUnfolder]: 537/1243 cut-off events. [2021-03-26 05:21:34,146 INFO L130 PetriNetUnfolder]: For 85475/85479 co-relation queries the response was YES. [2021-03-26 05:21:34,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14872 conditions, 1243 events. 537/1243 cut-off events. For 85475/85479 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8290 event pairs, 3 based on Foata normal form. 5/1086 useless extension candidates. Maximal degree in co-relation 14640. Up to 615 conditions per place. [2021-03-26 05:21:34,171 INFO L132 encePairwiseOnDemand]: 123/139 looper letters, 353 selfloop transitions, 184 changer transitions 5/560 dead transitions. [2021-03-26 05:21:34,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 560 transitions, 15982 flow [2021-03-26 05:21:34,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:21:34,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:21:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 707 transitions. [2021-03-26 05:21:34,173 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39125622578859987 [2021-03-26 05:21:34,173 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 707 transitions. [2021-03-26 05:21:34,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 707 transitions. [2021-03-26 05:21:34,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:34,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 707 transitions. [2021-03-26 05:21:34,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.38461538461539) internal successors, (707), 13 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:34,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:34,174 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:34,174 INFO L185 Difference]: Start difference. First operand has 491 places, 536 transitions, 14008 flow. Second operand 13 states and 707 transitions. [2021-03-26 05:21:34,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 560 transitions, 15982 flow [2021-03-26 05:21:34,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 560 transitions, 15791 flow, removed 43 selfloop flow, removed 10 redundant places. [2021-03-26 05:21:34,823 INFO L241 Difference]: Finished difference. Result has 495 places, 537 transitions, 14727 flow [2021-03-26 05:21:34,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=13818, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14727, PETRI_PLACES=495, PETRI_TRANSITIONS=537} [2021-03-26 05:21:34,824 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 442 predicate places. [2021-03-26 05:21:34,824 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:34,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 537 transitions, 14727 flow [2021-03-26 05:21:34,824 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 537 transitions, 14727 flow [2021-03-26 05:21:34,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 537 transitions, 14727 flow [2021-03-26 05:21:35,075 INFO L129 PetriNetUnfolder]: 471/1126 cut-off events. [2021-03-26 05:21:35,076 INFO L130 PetriNetUnfolder]: For 85468/85526 co-relation queries the response was YES. [2021-03-26 05:21:35,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13187 conditions, 1126 events. 471/1126 cut-off events. For 85468/85526 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7618 event pairs, 6 based on Foata normal form. 9/982 useless extension candidates. Maximal degree in co-relation 12958. Up to 264 conditions per place. [2021-03-26 05:21:35,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 1888 [2021-03-26 05:21:35,145 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:35,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:35,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 321 [2021-03-26 05:21:35,146 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 537 transitions, 14727 flow [2021-03-26 05:21:35,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:35,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:35,146 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:35,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-03-26 05:21:35,146 INFO L428 AbstractCegarLoop]: === Iteration 254 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:35,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:35,146 INFO L82 PathProgramCache]: Analyzing trace with hash -709249150, now seen corresponding path program 5 times [2021-03-26 05:21:35,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:35,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46982376] [2021-03-26 05:21:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:35,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:35,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:35,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:35,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:35,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:35,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:35,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:35,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:35,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:35,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:35,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:35,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:35,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:35,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:35,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:35,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:35,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:35,252 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:35,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:35,268 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:35,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:35,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46982376] [2021-03-26 05:21:35,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:35,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:35,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861599861] [2021-03-26 05:21:35,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:35,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:35,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:35,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:35,272 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:35,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 537 transitions, 14727 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:35,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:35,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:35,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:36,203 INFO L129 PetriNetUnfolder]: 537/1249 cut-off events. [2021-03-26 05:21:36,204 INFO L130 PetriNetUnfolder]: For 92096/92100 co-relation queries the response was YES. [2021-03-26 05:21:36,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15223 conditions, 1249 events. 537/1249 cut-off events. For 92096/92100 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8307 event pairs, 16 based on Foata normal form. 6/1091 useless extension candidates. Maximal degree in co-relation 14989. Up to 701 conditions per place. [2021-03-26 05:21:36,228 INFO L132 encePairwiseOnDemand]: 124/139 looper letters, 453 selfloop transitions, 72 changer transitions 8/551 dead transitions. [2021-03-26 05:21:36,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 551 transitions, 16219 flow [2021-03-26 05:21:36,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:21:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:21:36,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 853 transitions. [2021-03-26 05:21:36,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3835431654676259 [2021-03-26 05:21:36,230 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 853 transitions. [2021-03-26 05:21:36,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 853 transitions. [2021-03-26 05:21:36,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:36,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 853 transitions. [2021-03-26 05:21:36,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.3125) internal successors, (853), 16 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:36,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 139.0) internal successors, (2363), 17 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:36,232 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 139.0) internal successors, (2363), 17 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:36,232 INFO L185 Difference]: Start difference. First operand has 494 places, 537 transitions, 14727 flow. Second operand 16 states and 853 transitions. [2021-03-26 05:21:36,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 551 transitions, 16219 flow [2021-03-26 05:21:36,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 551 transitions, 15934 flow, removed 56 selfloop flow, removed 11 redundant places. [2021-03-26 05:21:36,853 INFO L241 Difference]: Finished difference. Result has 500 places, 533 transitions, 14804 flow [2021-03-26 05:21:36,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=14446, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=14804, PETRI_PLACES=500, PETRI_TRANSITIONS=533} [2021-03-26 05:21:36,854 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 447 predicate places. [2021-03-26 05:21:36,854 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:36,854 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 500 places, 533 transitions, 14804 flow [2021-03-26 05:21:36,854 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 500 places, 533 transitions, 14804 flow [2021-03-26 05:21:36,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 533 transitions, 14804 flow [2021-03-26 05:21:37,110 INFO L129 PetriNetUnfolder]: 474/1147 cut-off events. [2021-03-26 05:21:37,110 INFO L130 PetriNetUnfolder]: For 84687/84694 co-relation queries the response was YES. [2021-03-26 05:21:37,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13480 conditions, 1147 events. 474/1147 cut-off events. For 84687/84694 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7754 event pairs, 6 based on Foata normal form. 6/1000 useless extension candidates. Maximal degree in co-relation 13264. Up to 271 conditions per place. [2021-03-26 05:21:37,149 INFO L142 LiptonReduction]: Number of co-enabled transitions 1866 [2021-03-26 05:21:37,184 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:37,184 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:37,184 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-03-26 05:21:37,185 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 533 transitions, 14804 flow [2021-03-26 05:21:37,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:37,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:37,185 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:37,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-03-26 05:21:37,185 INFO L428 AbstractCegarLoop]: === Iteration 255 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:37,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:37,186 INFO L82 PathProgramCache]: Analyzing trace with hash 850894824, now seen corresponding path program 21 times [2021-03-26 05:21:37,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:37,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561094661] [2021-03-26 05:21:37,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:37,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:37,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:37,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:37,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:37,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:37,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:37,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:37,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:37,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:37,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:37,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:37,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:37,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:37,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:37,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:37,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:37,290 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:37,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:37,306 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:37,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561094661] [2021-03-26 05:21:37,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:37,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:37,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466363292] [2021-03-26 05:21:37,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:37,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:37,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:37,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:37,310 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:37,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 533 transitions, 14804 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:37,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:37,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:37,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:38,434 INFO L129 PetriNetUnfolder]: 529/1219 cut-off events. [2021-03-26 05:21:38,434 INFO L130 PetriNetUnfolder]: For 88241/88249 co-relation queries the response was YES. [2021-03-26 05:21:38,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15169 conditions, 1219 events. 529/1219 cut-off events. For 88241/88249 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8002 event pairs, 14 based on Foata normal form. 9/1072 useless extension candidates. Maximal degree in co-relation 14950. Up to 657 conditions per place. [2021-03-26 05:21:38,458 INFO L132 encePairwiseOnDemand]: 123/139 looper letters, 406 selfloop transitions, 132 changer transitions 0/556 dead transitions. [2021-03-26 05:21:38,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 556 transitions, 16518 flow [2021-03-26 05:21:38,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 05:21:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 05:21:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1058 transitions. [2021-03-26 05:21:38,460 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38057553956834533 [2021-03-26 05:21:38,460 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1058 transitions. [2021-03-26 05:21:38,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1058 transitions. [2021-03-26 05:21:38,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:38,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1058 transitions. [2021-03-26 05:21:38,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 52.9) internal successors, (1058), 20 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:38,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 139.0) internal successors, (2919), 21 states have internal predecessors, (2919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:38,462 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 139.0) internal successors, (2919), 21 states have internal predecessors, (2919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:38,462 INFO L185 Difference]: Start difference. First operand has 496 places, 533 transitions, 14804 flow. Second operand 20 states and 1058 transitions. [2021-03-26 05:21:38,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 556 transitions, 16518 flow [2021-03-26 05:21:39,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 556 transitions, 16166 flow, removed 132 selfloop flow, removed 13 redundant places. [2021-03-26 05:21:39,131 INFO L241 Difference]: Finished difference. Result has 504 places, 541 transitions, 15263 flow [2021-03-26 05:21:39,131 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=14454, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=15263, PETRI_PLACES=504, PETRI_TRANSITIONS=541} [2021-03-26 05:21:39,131 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 451 predicate places. [2021-03-26 05:21:39,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:39,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 541 transitions, 15263 flow [2021-03-26 05:21:39,132 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 541 transitions, 15263 flow [2021-03-26 05:21:39,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 541 transitions, 15263 flow [2021-03-26 05:21:39,396 INFO L129 PetriNetUnfolder]: 477/1153 cut-off events. [2021-03-26 05:21:39,396 INFO L130 PetriNetUnfolder]: For 86615/86649 co-relation queries the response was YES. [2021-03-26 05:21:39,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13719 conditions, 1153 events. 477/1153 cut-off events. For 86615/86649 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7832 event pairs, 8 based on Foata normal form. 10/1008 useless extension candidates. Maximal degree in co-relation 13489. Up to 271 conditions per place. [2021-03-26 05:21:39,433 INFO L142 LiptonReduction]: Number of co-enabled transitions 1906 [2021-03-26 05:21:39,468 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:39,468 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:39,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 337 [2021-03-26 05:21:39,469 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 541 transitions, 15263 flow [2021-03-26 05:21:39,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:39,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:39,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:39,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-03-26 05:21:39,469 INFO L428 AbstractCegarLoop]: === Iteration 256 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:39,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:39,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1949376432, now seen corresponding path program 6 times [2021-03-26 05:21:39,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:39,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790796618] [2021-03-26 05:21:39,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:39,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:39,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:39,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:39,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:39,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:39,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:39,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:39,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:39,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:39,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:39,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:39,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:39,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:39,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:39,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:39,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:39,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:39,581 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:39,598 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:39,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:39,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790796618] [2021-03-26 05:21:39,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:39,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:39,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414266495] [2021-03-26 05:21:39,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:39,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:39,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:39,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:39,602 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:39,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 541 transitions, 15263 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:39,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:39,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:39,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:40,396 INFO L129 PetriNetUnfolder]: 532/1231 cut-off events. [2021-03-26 05:21:40,396 INFO L130 PetriNetUnfolder]: For 90835/90839 co-relation queries the response was YES. [2021-03-26 05:21:40,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15240 conditions, 1231 events. 532/1231 cut-off events. For 90835/90839 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 8137 event pairs, 15 based on Foata normal form. 5/1077 useless extension candidates. Maximal degree in co-relation 15005. Up to 711 conditions per place. [2021-03-26 05:21:40,423 INFO L132 encePairwiseOnDemand]: 125/139 looper letters, 471 selfloop transitions, 56 changer transitions 7/552 dead transitions. [2021-03-26 05:21:40,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 552 transitions, 16487 flow [2021-03-26 05:21:40,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:21:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:21:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 741 transitions. [2021-03-26 05:21:40,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3807810894141829 [2021-03-26 05:21:40,425 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 741 transitions. [2021-03-26 05:21:40,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 741 transitions. [2021-03-26 05:21:40,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:40,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 741 transitions. [2021-03-26 05:21:40,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.92857142857143) internal successors, (741), 14 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:40,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:40,427 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:40,427 INFO L185 Difference]: Start difference. First operand has 504 places, 541 transitions, 15263 flow. Second operand 14 states and 741 transitions. [2021-03-26 05:21:40,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 552 transitions, 16487 flow [2021-03-26 05:21:41,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 552 transitions, 16092 flow, removed 111 selfloop flow, removed 17 redundant places. [2021-03-26 05:21:41,075 INFO L241 Difference]: Finished difference. Result has 502 places, 535 transitions, 14847 flow [2021-03-26 05:21:41,075 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=14868, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=14847, PETRI_PLACES=502, PETRI_TRANSITIONS=535} [2021-03-26 05:21:41,075 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 449 predicate places. [2021-03-26 05:21:41,076 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:41,076 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 502 places, 535 transitions, 14847 flow [2021-03-26 05:21:41,076 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 502 places, 535 transitions, 14847 flow [2021-03-26 05:21:41,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 500 places, 535 transitions, 14847 flow [2021-03-26 05:21:41,330 INFO L129 PetriNetUnfolder]: 474/1143 cut-off events. [2021-03-26 05:21:41,330 INFO L130 PetriNetUnfolder]: For 82521/82578 co-relation queries the response was YES. [2021-03-26 05:21:41,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13517 conditions, 1143 events. 474/1143 cut-off events. For 82521/82578 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7764 event pairs, 12 based on Foata normal form. 9/999 useless extension candidates. Maximal degree in co-relation 13286. Up to 268 conditions per place. [2021-03-26 05:21:41,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 1904 [2021-03-26 05:21:41,401 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:41,402 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:41,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 326 [2021-03-26 05:21:41,402 INFO L480 AbstractCegarLoop]: Abstraction has has 500 places, 535 transitions, 14847 flow [2021-03-26 05:21:41,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:41,402 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:41,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:41,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-03-26 05:21:41,403 INFO L428 AbstractCegarLoop]: === Iteration 257 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:41,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:41,403 INFO L82 PathProgramCache]: Analyzing trace with hash 73925592, now seen corresponding path program 22 times [2021-03-26 05:21:41,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:41,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923334455] [2021-03-26 05:21:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:41,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:41,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:41,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:41,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:41,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:41,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:41,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:41,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:41,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:41,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:41,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:41,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:41,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:41,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:41,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:41,478 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:41,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:41,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:41,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:41,509 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:41,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:41,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:41,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923334455] [2021-03-26 05:21:41,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:41,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:21:41,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453222020] [2021-03-26 05:21:41,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:21:41,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:41,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:21:41,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:21:41,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:41,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 535 transitions, 14847 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:41,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:41,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:41,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:42,402 INFO L129 PetriNetUnfolder]: 537/1237 cut-off events. [2021-03-26 05:21:42,402 INFO L130 PetriNetUnfolder]: For 88352/88354 co-relation queries the response was YES. [2021-03-26 05:21:42,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15311 conditions, 1237 events. 537/1237 cut-off events. For 88352/88354 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8184 event pairs, 15 based on Foata normal form. 3/1082 useless extension candidates. Maximal degree in co-relation 15075. Up to 724 conditions per place. [2021-03-26 05:21:42,430 INFO L132 encePairwiseOnDemand]: 123/139 looper letters, 482 selfloop transitions, 64 changer transitions 2/566 dead transitions. [2021-03-26 05:21:42,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 566 transitions, 16687 flow [2021-03-26 05:21:42,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:21:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:21:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 695 transitions. [2021-03-26 05:21:42,431 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38461538461538464 [2021-03-26 05:21:42,431 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 695 transitions. [2021-03-26 05:21:42,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 695 transitions. [2021-03-26 05:21:42,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:42,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 695 transitions. [2021-03-26 05:21:42,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.46153846153846) internal successors, (695), 13 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:42,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:42,433 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:42,433 INFO L185 Difference]: Start difference. First operand has 500 places, 535 transitions, 14847 flow. Second operand 13 states and 695 transitions. [2021-03-26 05:21:42,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 566 transitions, 16687 flow [2021-03-26 05:21:43,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 566 transitions, 16499 flow, removed 3 selfloop flow, removed 19 redundant places. [2021-03-26 05:21:43,102 INFO L241 Difference]: Finished difference. Result has 498 places, 551 transitions, 15394 flow [2021-03-26 05:21:43,103 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=14659, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15394, PETRI_PLACES=498, PETRI_TRANSITIONS=551} [2021-03-26 05:21:43,103 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 445 predicate places. [2021-03-26 05:21:43,103 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:43,103 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 551 transitions, 15394 flow [2021-03-26 05:21:43,103 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 551 transitions, 15394 flow [2021-03-26 05:21:43,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 497 places, 551 transitions, 15394 flow [2021-03-26 05:21:43,360 INFO L129 PetriNetUnfolder]: 481/1147 cut-off events. [2021-03-26 05:21:43,360 INFO L130 PetriNetUnfolder]: For 90323/90409 co-relation queries the response was YES. [2021-03-26 05:21:43,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13754 conditions, 1147 events. 481/1147 cut-off events. For 90323/90409 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7800 event pairs, 4 based on Foata normal form. 7/1001 useless extension candidates. Maximal degree in co-relation 13520. Up to 274 conditions per place. [2021-03-26 05:21:43,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 1904 [2021-03-26 05:21:43,433 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:43,433 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:43,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-03-26 05:21:43,433 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 551 transitions, 15394 flow [2021-03-26 05:21:43,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:43,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:43,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:43,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-03-26 05:21:43,434 INFO L428 AbstractCegarLoop]: === Iteration 258 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:43,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:43,434 INFO L82 PathProgramCache]: Analyzing trace with hash 970452992, now seen corresponding path program 23 times [2021-03-26 05:21:43,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:43,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283797860] [2021-03-26 05:21:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:43,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:43,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:43,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:43,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:43,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:43,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:43,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:43,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:43,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:43,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:43,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:43,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:43,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:43,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:43,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:43,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:43,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:43,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:43,538 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:21:43,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:43,554 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:43,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:43,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283797860] [2021-03-26 05:21:43,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:43,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:43,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087188159] [2021-03-26 05:21:43,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:43,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:43,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:43,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:43,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:43,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 551 transitions, 15394 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:43,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:43,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:43,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:44,507 INFO L129 PetriNetUnfolder]: 545/1259 cut-off events. [2021-03-26 05:21:44,507 INFO L130 PetriNetUnfolder]: For 88804/88812 co-relation queries the response was YES. [2021-03-26 05:21:44,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15623 conditions, 1259 events. 545/1259 cut-off events. For 88804/88812 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8404 event pairs, 16 based on Foata normal form. 9/1105 useless extension candidates. Maximal degree in co-relation 15384. Up to 718 conditions per place. [2021-03-26 05:21:44,536 INFO L132 encePairwiseOnDemand]: 123/139 looper letters, 471 selfloop transitions, 86 changer transitions 0/575 dead transitions. [2021-03-26 05:21:44,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 575 transitions, 17315 flow [2021-03-26 05:21:44,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:21:44,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:21:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 904 transitions. [2021-03-26 05:21:44,538 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3825645366060093 [2021-03-26 05:21:44,538 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 904 transitions. [2021-03-26 05:21:44,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 904 transitions. [2021-03-26 05:21:44,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:44,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 904 transitions. [2021-03-26 05:21:44,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.1764705882353) internal successors, (904), 17 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:44,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 139.0) internal successors, (2502), 18 states have internal predecessors, (2502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:44,540 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 139.0) internal successors, (2502), 18 states have internal predecessors, (2502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:44,540 INFO L185 Difference]: Start difference. First operand has 497 places, 551 transitions, 15394 flow. Second operand 17 states and 904 transitions. [2021-03-26 05:21:44,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 575 transitions, 17315 flow [2021-03-26 05:21:45,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 575 transitions, 17117 flow, removed 65 selfloop flow, removed 8 redundant places. [2021-03-26 05:21:45,199 INFO L241 Difference]: Finished difference. Result has 510 places, 563 transitions, 16153 flow [2021-03-26 05:21:45,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=15200, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=16153, PETRI_PLACES=510, PETRI_TRANSITIONS=563} [2021-03-26 05:21:45,200 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 457 predicate places. [2021-03-26 05:21:45,200 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:45,200 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 510 places, 563 transitions, 16153 flow [2021-03-26 05:21:45,200 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 510 places, 563 transitions, 16153 flow [2021-03-26 05:21:45,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 563 transitions, 16153 flow [2021-03-26 05:21:45,481 INFO L129 PetriNetUnfolder]: 497/1193 cut-off events. [2021-03-26 05:21:45,481 INFO L130 PetriNetUnfolder]: For 92101/92156 co-relation queries the response was YES. [2021-03-26 05:21:45,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14299 conditions, 1193 events. 497/1193 cut-off events. For 92101/92156 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8249 event pairs, 13 based on Foata normal form. 6/1040 useless extension candidates. Maximal degree in co-relation 14061. Up to 285 conditions per place. [2021-03-26 05:21:45,522 INFO L142 LiptonReduction]: Number of co-enabled transitions 1976 [2021-03-26 05:21:45,560 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:45,560 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:45,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 360 [2021-03-26 05:21:45,560 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 563 transitions, 16153 flow [2021-03-26 05:21:45,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:45,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:45,561 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:45,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-03-26 05:21:45,561 INFO L428 AbstractCegarLoop]: === Iteration 259 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1773065320, now seen corresponding path program 7 times [2021-03-26 05:21:45,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:45,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559384890] [2021-03-26 05:21:45,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:45,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:45,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:45,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:45,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:45,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:45,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:45,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:45,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:45,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:45,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:45,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:45,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:45,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:45,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:45,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:45,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:45,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:45,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:45,667 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:45,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:45,683 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:21:45,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:45,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559384890] [2021-03-26 05:21:45,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:45,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:45,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751817854] [2021-03-26 05:21:45,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:45,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:45,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:45,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:45,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:45,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 563 transitions, 16153 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:45,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:45,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:45,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:46,733 INFO L129 PetriNetUnfolder]: 548/1272 cut-off events. [2021-03-26 05:21:46,733 INFO L130 PetriNetUnfolder]: For 96920/96924 co-relation queries the response was YES. [2021-03-26 05:21:46,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15847 conditions, 1272 events. 548/1272 cut-off events. For 96920/96924 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 8515 event pairs, 17 based on Foata normal form. 6/1112 useless extension candidates. Maximal degree in co-relation 15604. Up to 715 conditions per place. [2021-03-26 05:21:46,764 INFO L132 encePairwiseOnDemand]: 124/139 looper letters, 471 selfloop transitions, 74 changer transitions 15/578 dead transitions. [2021-03-26 05:21:46,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 578 transitions, 17715 flow [2021-03-26 05:21:46,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:21:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:21:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 806 transitions. [2021-03-26 05:21:46,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38657074340527575 [2021-03-26 05:21:46,765 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 806 transitions. [2021-03-26 05:21:46,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 806 transitions. [2021-03-26 05:21:46,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:46,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 806 transitions. [2021-03-26 05:21:46,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.733333333333334) internal successors, (806), 15 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:46,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:46,767 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:46,767 INFO L185 Difference]: Start difference. First operand has 510 places, 563 transitions, 16153 flow. Second operand 15 states and 806 transitions. [2021-03-26 05:21:46,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 578 transitions, 17715 flow [2021-03-26 05:21:47,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 578 transitions, 17339 flow, removed 149 selfloop flow, removed 10 redundant places. [2021-03-26 05:21:47,454 INFO L241 Difference]: Finished difference. Result has 516 places, 552 transitions, 15846 flow [2021-03-26 05:21:47,455 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=15777, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15846, PETRI_PLACES=516, PETRI_TRANSITIONS=552} [2021-03-26 05:21:47,455 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 463 predicate places. [2021-03-26 05:21:47,455 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:47,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 516 places, 552 transitions, 15846 flow [2021-03-26 05:21:47,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 516 places, 552 transitions, 15846 flow [2021-03-26 05:21:47,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 552 transitions, 15846 flow [2021-03-26 05:21:47,723 INFO L129 PetriNetUnfolder]: 465/1103 cut-off events. [2021-03-26 05:21:47,723 INFO L130 PetriNetUnfolder]: For 86797/86854 co-relation queries the response was YES. [2021-03-26 05:21:47,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13589 conditions, 1103 events. 465/1103 cut-off events. For 86797/86854 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7457 event pairs, 11 based on Foata normal form. 8/968 useless extension candidates. Maximal degree in co-relation 13353. Up to 272 conditions per place. [2021-03-26 05:21:47,761 INFO L142 LiptonReduction]: Number of co-enabled transitions 1886 [2021-03-26 05:21:47,798 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:47,798 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:47,798 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 343 [2021-03-26 05:21:47,798 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 552 transitions, 15846 flow [2021-03-26 05:21:47,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:47,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:47,799 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:47,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-03-26 05:21:47,799 INFO L428 AbstractCegarLoop]: === Iteration 260 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:47,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:47,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1137735676, now seen corresponding path program 24 times [2021-03-26 05:21:47,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:47,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499838934] [2021-03-26 05:21:47,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:47,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:47,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:47,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:47,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:47,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:47,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:47,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:47,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:47,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:47,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:47,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:47,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:47,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:47,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:47,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:47,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:47,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:47,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:47,917 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:47,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:47,938 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:47,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:47,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499838934] [2021-03-26 05:21:47,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:47,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:47,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326654801] [2021-03-26 05:21:47,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:47,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:47,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:47,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:47,943 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 05:21:47,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 552 transitions, 15846 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:47,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:47,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 05:21:47,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:49,011 INFO L129 PetriNetUnfolder]: 555/1262 cut-off events. [2021-03-26 05:21:49,012 INFO L130 PetriNetUnfolder]: For 100572/100576 co-relation queries the response was YES. [2021-03-26 05:21:49,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16436 conditions, 1262 events. 555/1262 cut-off events. For 100572/100576 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8307 event pairs, 8 based on Foata normal form. 5/1108 useless extension candidates. Maximal degree in co-relation 16198. Up to 709 conditions per place. [2021-03-26 05:21:49,042 INFO L132 encePairwiseOnDemand]: 123/139 looper letters, 452 selfloop transitions, 121 changer transitions 2/593 dead transitions. [2021-03-26 05:21:49,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 593 transitions, 18698 flow [2021-03-26 05:21:49,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 05:21:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 05:21:49,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1017 transitions. [2021-03-26 05:21:49,044 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3850814085573646 [2021-03-26 05:21:49,044 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1017 transitions. [2021-03-26 05:21:49,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1017 transitions. [2021-03-26 05:21:49,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:49,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1017 transitions. [2021-03-26 05:21:49,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.526315789473685) internal successors, (1017), 19 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:49,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 139.0) internal successors, (2780), 20 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:49,051 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 139.0) internal successors, (2780), 20 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:49,051 INFO L185 Difference]: Start difference. First operand has 510 places, 552 transitions, 15846 flow. Second operand 19 states and 1017 transitions. [2021-03-26 05:21:49,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 593 transitions, 18698 flow [2021-03-26 05:21:49,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 593 transitions, 18086 flow, removed 163 selfloop flow, removed 22 redundant places. [2021-03-26 05:21:49,839 INFO L241 Difference]: Finished difference. Result has 509 places, 581 transitions, 17159 flow [2021-03-26 05:21:49,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=15271, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=17159, PETRI_PLACES=509, PETRI_TRANSITIONS=581} [2021-03-26 05:21:49,840 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 456 predicate places. [2021-03-26 05:21:49,840 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:49,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 509 places, 581 transitions, 17159 flow [2021-03-26 05:21:49,840 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 509 places, 581 transitions, 17159 flow [2021-03-26 05:21:49,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 509 places, 581 transitions, 17159 flow [2021-03-26 05:21:50,118 INFO L129 PetriNetUnfolder]: 486/1159 cut-off events. [2021-03-26 05:21:50,118 INFO L130 PetriNetUnfolder]: For 85485/85540 co-relation queries the response was YES. [2021-03-26 05:21:50,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14335 conditions, 1159 events. 486/1159 cut-off events. For 85485/85540 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 7897 event pairs, 11 based on Foata normal form. 8/1014 useless extension candidates. Maximal degree in co-relation 14098. Up to 287 conditions per place. [2021-03-26 05:21:50,157 INFO L142 LiptonReduction]: Number of co-enabled transitions 1960 [2021-03-26 05:21:50,274 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:50,274 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:21:50,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 434 [2021-03-26 05:21:50,275 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 581 transitions, 17173 flow [2021-03-26 05:21:50,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:50,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:50,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:50,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-03-26 05:21:50,275 INFO L428 AbstractCegarLoop]: === Iteration 261 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:50,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:50,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1095322186, now seen corresponding path program 25 times [2021-03-26 05:21:50,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:50,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625299442] [2021-03-26 05:21:50,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:50,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:50,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:50,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:50,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:50,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:50,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:50,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:50,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:50,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:50,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:50,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:50,374 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:50,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:50,378 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:50,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:50,397 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:50,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:50,415 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:50,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:50,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:50,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625299442] [2021-03-26 05:21:50,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:50,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:21:50,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624998723] [2021-03-26 05:21:50,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:21:50,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:50,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:21:50,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:21:50,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 140 [2021-03-26 05:21:50,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 581 transitions, 17173 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:50,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:50,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 140 [2021-03-26 05:21:50,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:51,613 INFO L129 PetriNetUnfolder]: 574/1319 cut-off events. [2021-03-26 05:21:51,613 INFO L130 PetriNetUnfolder]: For 104339/104343 co-relation queries the response was YES. [2021-03-26 05:21:51,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17426 conditions, 1319 events. 574/1319 cut-off events. For 104339/104343 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8881 event pairs, 6 based on Foata normal form. 5/1157 useless extension candidates. Maximal degree in co-relation 17184. Up to 706 conditions per place. [2021-03-26 05:21:51,645 INFO L132 encePairwiseOnDemand]: 123/140 looper letters, 432 selfloop transitions, 171 changer transitions 0/621 dead transitions. [2021-03-26 05:21:51,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 621 transitions, 20524 flow [2021-03-26 05:21:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:21:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:21:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 759 transitions. [2021-03-26 05:21:51,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38724489795918365 [2021-03-26 05:21:51,647 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 759 transitions. [2021-03-26 05:21:51,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 759 transitions. [2021-03-26 05:21:51,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:51,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 759 transitions. [2021-03-26 05:21:51,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.214285714285715) internal successors, (759), 14 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:51,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 140.0) internal successors, (2100), 15 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:51,648 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 140.0) internal successors, (2100), 15 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:51,648 INFO L185 Difference]: Start difference. First operand has 509 places, 581 transitions, 17173 flow. Second operand 14 states and 759 transitions. [2021-03-26 05:21:51,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 621 transitions, 20524 flow [2021-03-26 05:21:52,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 621 transitions, 19271 flow, removed 539 selfloop flow, removed 13 redundant places. [2021-03-26 05:21:52,522 INFO L241 Difference]: Finished difference. Result has 512 places, 610 transitions, 18455 flow [2021-03-26 05:21:52,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=16360, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18455, PETRI_PLACES=512, PETRI_TRANSITIONS=610} [2021-03-26 05:21:52,522 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 459 predicate places. [2021-03-26 05:21:52,522 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:52,522 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 610 transitions, 18455 flow [2021-03-26 05:21:52,522 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 610 transitions, 18455 flow [2021-03-26 05:21:52,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 512 places, 610 transitions, 18455 flow [2021-03-26 05:21:52,830 INFO L129 PetriNetUnfolder]: 509/1221 cut-off events. [2021-03-26 05:21:52,830 INFO L130 PetriNetUnfolder]: For 91410/91466 co-relation queries the response was YES. [2021-03-26 05:21:52,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15193 conditions, 1221 events. 509/1221 cut-off events. For 91410/91466 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 8432 event pairs, 7 based on Foata normal form. 8/1066 useless extension candidates. Maximal degree in co-relation 14954. Up to 307 conditions per place. [2021-03-26 05:21:52,871 INFO L142 LiptonReduction]: Number of co-enabled transitions 2112 [2021-03-26 05:21:52,911 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:52,912 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:52,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 390 [2021-03-26 05:21:52,912 INFO L480 AbstractCegarLoop]: Abstraction has has 512 places, 610 transitions, 18455 flow [2021-03-26 05:21:52,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:52,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:52,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:52,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2021-03-26 05:21:52,912 INFO L428 AbstractCegarLoop]: === Iteration 262 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:52,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:52,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1880600549, now seen corresponding path program 1 times [2021-03-26 05:21:52,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:52,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983548701] [2021-03-26 05:21:52,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:52,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:52,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:52,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:52,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:52,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:52,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:52,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:52,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:52,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:52,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:52,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:52,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:52,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:52,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:21:52,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:52,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:52,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:52,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:52,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:52,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:53,002 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:53,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983548701] [2021-03-26 05:21:53,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:53,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:21:53,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756858818] [2021-03-26 05:21:53,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:21:53,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:53,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:21:53,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:21:53,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 140 [2021-03-26 05:21:53,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 610 transitions, 18455 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:53,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:53,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 140 [2021-03-26 05:21:53,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:54,005 INFO L129 PetriNetUnfolder]: 580/1338 cut-off events. [2021-03-26 05:21:54,005 INFO L130 PetriNetUnfolder]: For 102994/102998 co-relation queries the response was YES. [2021-03-26 05:21:54,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17316 conditions, 1338 events. 580/1338 cut-off events. For 102994/102998 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9051 event pairs, 8 based on Foata normal form. 5/1170 useless extension candidates. Maximal degree in co-relation 17072. Up to 753 conditions per place. [2021-03-26 05:21:54,037 INFO L132 encePairwiseOnDemand]: 124/140 looper letters, 484 selfloop transitions, 106 changer transitions 17/625 dead transitions. [2021-03-26 05:21:54,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 625 transitions, 20080 flow [2021-03-26 05:21:54,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:21:54,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:21:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 657 transitions. [2021-03-26 05:21:54,039 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39107142857142857 [2021-03-26 05:21:54,039 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 657 transitions. [2021-03-26 05:21:54,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 657 transitions. [2021-03-26 05:21:54,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:54,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 657 transitions. [2021-03-26 05:21:54,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.75) internal successors, (657), 12 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:54,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 140.0) internal successors, (1820), 13 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:54,040 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 140.0) internal successors, (1820), 13 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:54,040 INFO L185 Difference]: Start difference. First operand has 512 places, 610 transitions, 18455 flow. Second operand 12 states and 657 transitions. [2021-03-26 05:21:54,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 625 transitions, 20080 flow [2021-03-26 05:21:54,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 625 transitions, 19250 flow, removed 395 selfloop flow, removed 6 redundant places. [2021-03-26 05:21:54,933 INFO L241 Difference]: Finished difference. Result has 521 places, 597 transitions, 17481 flow [2021-03-26 05:21:54,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=17625, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17481, PETRI_PLACES=521, PETRI_TRANSITIONS=597} [2021-03-26 05:21:54,934 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 468 predicate places. [2021-03-26 05:21:54,934 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:54,934 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 597 transitions, 17481 flow [2021-03-26 05:21:54,934 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 597 transitions, 17481 flow [2021-03-26 05:21:54,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 521 places, 597 transitions, 17481 flow [2021-03-26 05:21:55,237 INFO L129 PetriNetUnfolder]: 499/1200 cut-off events. [2021-03-26 05:21:55,237 INFO L130 PetriNetUnfolder]: For 87445/87501 co-relation queries the response was YES. [2021-03-26 05:21:55,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14733 conditions, 1200 events. 499/1200 cut-off events. For 87445/87501 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8254 event pairs, 7 based on Foata normal form. 8/1047 useless extension candidates. Maximal degree in co-relation 14489. Up to 287 conditions per place. [2021-03-26 05:21:55,280 INFO L142 LiptonReduction]: Number of co-enabled transitions 2032 [2021-03-26 05:21:55,323 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:21:55,323 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:21:55,323 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 389 [2021-03-26 05:21:55,323 INFO L480 AbstractCegarLoop]: Abstraction has has 521 places, 597 transitions, 17481 flow [2021-03-26 05:21:55,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:55,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:55,324 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:55,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261 [2021-03-26 05:21:55,324 INFO L428 AbstractCegarLoop]: === Iteration 263 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:55,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:55,324 INFO L82 PathProgramCache]: Analyzing trace with hash 369159274, now seen corresponding path program 26 times [2021-03-26 05:21:55,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:55,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103776705] [2021-03-26 05:21:55,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:55,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:55,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:55,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:55,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:55,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:55,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:55,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:55,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:55,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:55,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:55,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:55,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:55,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:55,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:55,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:55,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:55,412 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:21:55,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:21:55,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:55,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:55,446 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:55,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:55,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:55,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103776705] [2021-03-26 05:21:55,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:55,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:55,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447212943] [2021-03-26 05:21:55,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:55,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:55,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:55,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:55,450 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 140 [2021-03-26 05:21:55,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 597 transitions, 17481 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:55,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:55,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 140 [2021-03-26 05:21:55,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:56,810 INFO L129 PetriNetUnfolder]: 583/1348 cut-off events. [2021-03-26 05:21:56,810 INFO L130 PetriNetUnfolder]: For 106462/106464 co-relation queries the response was YES. [2021-03-26 05:21:56,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17517 conditions, 1348 events. 583/1348 cut-off events. For 106462/106464 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9137 event pairs, 16 based on Foata normal form. 3/1174 useless extension candidates. Maximal degree in co-relation 17268. Up to 693 conditions per place. [2021-03-26 05:21:56,837 INFO L132 encePairwiseOnDemand]: 124/140 looper letters, 411 selfloop transitions, 185 changer transitions 15/629 dead transitions. [2021-03-26 05:21:56,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 629 transitions, 20258 flow [2021-03-26 05:21:56,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 05:21:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 05:21:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1019 transitions. [2021-03-26 05:21:56,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3830827067669173 [2021-03-26 05:21:56,839 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1019 transitions. [2021-03-26 05:21:56,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1019 transitions. [2021-03-26 05:21:56,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:56,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1019 transitions. [2021-03-26 05:21:56,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.63157894736842) internal successors, (1019), 19 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:56,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 140.0) internal successors, (2800), 20 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:56,841 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 140.0) internal successors, (2800), 20 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:56,841 INFO L185 Difference]: Start difference. First operand has 521 places, 597 transitions, 17481 flow. Second operand 19 states and 1019 transitions. [2021-03-26 05:21:56,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 629 transitions, 20258 flow [2021-03-26 05:21:57,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 629 transitions, 19894 flow, removed 20 selfloop flow, removed 16 redundant places. [2021-03-26 05:21:57,595 INFO L241 Difference]: Finished difference. Result has 527 places, 604 transitions, 18393 flow [2021-03-26 05:21:57,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=17137, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=597, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=18393, PETRI_PLACES=527, PETRI_TRANSITIONS=604} [2021-03-26 05:21:57,596 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 474 predicate places. [2021-03-26 05:21:57,596 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:21:57,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 527 places, 604 transitions, 18393 flow [2021-03-26 05:21:57,596 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 527 places, 604 transitions, 18393 flow [2021-03-26 05:21:57,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 527 places, 604 transitions, 18393 flow [2021-03-26 05:21:57,910 INFO L129 PetriNetUnfolder]: 500/1215 cut-off events. [2021-03-26 05:21:57,910 INFO L130 PetriNetUnfolder]: For 96991/97048 co-relation queries the response was YES. [2021-03-26 05:21:57,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15238 conditions, 1215 events. 500/1215 cut-off events. For 96991/97048 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 8562 event pairs, 11 based on Foata normal form. 8/1060 useless extension candidates. Maximal degree in co-relation 14995. Up to 301 conditions per place. [2021-03-26 05:21:57,954 INFO L142 LiptonReduction]: Number of co-enabled transitions 2056 [2021-03-26 05:21:58,086 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 05:21:58,086 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:21:58,086 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-03-26 05:21:58,086 INFO L480 AbstractCegarLoop]: Abstraction has has 527 places, 604 transitions, 18463 flow [2021-03-26 05:21:58,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:58,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:21:58,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:21:58,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262 [2021-03-26 05:21:58,087 INFO L428 AbstractCegarLoop]: === Iteration 264 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:21:58,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:21:58,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1658774782, now seen corresponding path program 27 times [2021-03-26 05:21:58,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:21:58,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095010442] [2021-03-26 05:21:58,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:21:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:21:58,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:58,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:21:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:58,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:58,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:21:58,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:58,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:58,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:58,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:58,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:58,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:58,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:58,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:58,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:58,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:58,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:21:58,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:21:58,205 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:21:58,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:21:58,222 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:21:58,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:21:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:21:58,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095010442] [2021-03-26 05:21:58,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:21:58,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:21:58,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578289838] [2021-03-26 05:21:58,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:21:58,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:21:58,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:21:58,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:21:58,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 141 [2021-03-26 05:21:58,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 604 transitions, 18463 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:58,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:21:58,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 141 [2021-03-26 05:21:58,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:21:59,667 INFO L129 PetriNetUnfolder]: 580/1374 cut-off events. [2021-03-26 05:21:59,667 INFO L130 PetriNetUnfolder]: For 107731/107733 co-relation queries the response was YES. [2021-03-26 05:21:59,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17737 conditions, 1374 events. 580/1374 cut-off events. For 107731/107733 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9495 event pairs, 17 based on Foata normal form. 3/1191 useless extension candidates. Maximal degree in co-relation 17489. Up to 650 conditions per place. [2021-03-26 05:21:59,702 INFO L132 encePairwiseOnDemand]: 124/141 looper letters, 357 selfloop transitions, 242 changer transitions 10/627 dead transitions. [2021-03-26 05:21:59,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 627 transitions, 20955 flow [2021-03-26 05:21:59,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:21:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:21:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 865 transitions. [2021-03-26 05:21:59,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38342198581560283 [2021-03-26 05:21:59,704 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 865 transitions. [2021-03-26 05:21:59,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 865 transitions. [2021-03-26 05:21:59,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:21:59,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 865 transitions. [2021-03-26 05:21:59,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.0625) internal successors, (865), 16 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:59,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 141.0) internal successors, (2397), 17 states have internal predecessors, (2397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:59,705 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 141.0) internal successors, (2397), 17 states have internal predecessors, (2397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:21:59,705 INFO L185 Difference]: Start difference. First operand has 527 places, 604 transitions, 18463 flow. Second operand 16 states and 865 transitions. [2021-03-26 05:21:59,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 627 transitions, 20955 flow [2021-03-26 05:22:00,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 627 transitions, 20075 flow, removed 382 selfloop flow, removed 8 redundant places. [2021-03-26 05:22:00,624 INFO L241 Difference]: Finished difference. Result has 538 places, 606 transitions, 18820 flow [2021-03-26 05:22:00,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=17833, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=234, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=18820, PETRI_PLACES=538, PETRI_TRANSITIONS=606} [2021-03-26 05:22:00,625 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 485 predicate places. [2021-03-26 05:22:00,625 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:00,625 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 538 places, 606 transitions, 18820 flow [2021-03-26 05:22:00,625 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 538 places, 606 transitions, 18820 flow [2021-03-26 05:22:00,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 538 places, 606 transitions, 18820 flow [2021-03-26 05:22:00,939 INFO L129 PetriNetUnfolder]: 501/1235 cut-off events. [2021-03-26 05:22:00,939 INFO L130 PetriNetUnfolder]: For 92740/92796 co-relation queries the response was YES. [2021-03-26 05:22:00,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15508 conditions, 1235 events. 501/1235 cut-off events. For 92740/92796 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8732 event pairs, 5 based on Foata normal form. 8/1073 useless extension candidates. Maximal degree in co-relation 15260. Up to 298 conditions per place. [2021-03-26 05:22:00,983 INFO L142 LiptonReduction]: Number of co-enabled transitions 2044 [2021-03-26 05:22:01,025 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:01,025 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:01,025 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 400 [2021-03-26 05:22:01,025 INFO L480 AbstractCegarLoop]: Abstraction has has 538 places, 606 transitions, 18820 flow [2021-03-26 05:22:01,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:01,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:01,026 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:01,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263 [2021-03-26 05:22:01,026 INFO L428 AbstractCegarLoop]: === Iteration 265 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:01,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:01,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1873740421, now seen corresponding path program 1 times [2021-03-26 05:22:01,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:01,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79068742] [2021-03-26 05:22:01,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:01,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:01,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:01,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:01,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:01,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:01,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:01,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:01,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:01,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:01,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:01,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:01,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:01,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:01,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:01,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:01,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:01,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:01,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:01,190 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:01,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:01,212 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:01,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:01,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79068742] [2021-03-26 05:22:01,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:01,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:22:01,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323103307] [2021-03-26 05:22:01,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:22:01,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:01,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:22:01,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:22:01,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 141 [2021-03-26 05:22:01,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 606 transitions, 18820 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:01,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:01,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 141 [2021-03-26 05:22:01,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:02,463 INFO L129 PetriNetUnfolder]: 584/1385 cut-off events. [2021-03-26 05:22:02,463 INFO L130 PetriNetUnfolder]: For 118761/118763 co-relation queries the response was YES. [2021-03-26 05:22:02,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18456 conditions, 1385 events. 584/1385 cut-off events. For 118761/118763 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9609 event pairs, 14 based on Foata normal form. 3/1204 useless extension candidates. Maximal degree in co-relation 18203. Up to 759 conditions per place. [2021-03-26 05:22:02,499 INFO L132 encePairwiseOnDemand]: 124/141 looper letters, 507 selfloop transitions, 112 changer transitions 5/642 dead transitions. [2021-03-26 05:22:02,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 642 transitions, 21939 flow [2021-03-26 05:22:02,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 05:22:02,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 05:22:02,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1168 transitions. [2021-03-26 05:22:02,501 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3765312701482914 [2021-03-26 05:22:02,501 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1168 transitions. [2021-03-26 05:22:02,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1168 transitions. [2021-03-26 05:22:02,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:02,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1168 transitions. [2021-03-26 05:22:02,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 53.09090909090909) internal successors, (1168), 22 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:02,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 141.0) internal successors, (3243), 23 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:02,504 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 141.0) internal successors, (3243), 23 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:02,504 INFO L185 Difference]: Start difference. First operand has 538 places, 606 transitions, 18820 flow. Second operand 22 states and 1168 transitions. [2021-03-26 05:22:02,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 642 transitions, 21939 flow [2021-03-26 05:22:03,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 642 transitions, 21438 flow, removed 140 selfloop flow, removed 13 redundant places. [2021-03-26 05:22:03,472 INFO L241 Difference]: Finished difference. Result has 549 places, 623 transitions, 19945 flow [2021-03-26 05:22:03,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=18376, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=19945, PETRI_PLACES=549, PETRI_TRANSITIONS=623} [2021-03-26 05:22:03,473 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 496 predicate places. [2021-03-26 05:22:03,473 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:03,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 549 places, 623 transitions, 19945 flow [2021-03-26 05:22:03,474 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 549 places, 623 transitions, 19945 flow [2021-03-26 05:22:03,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 549 places, 623 transitions, 19945 flow [2021-03-26 05:22:03,816 INFO L129 PetriNetUnfolder]: 529/1297 cut-off events. [2021-03-26 05:22:03,817 INFO L130 PetriNetUnfolder]: For 103363/103365 co-relation queries the response was YES. [2021-03-26 05:22:03,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16748 conditions, 1297 events. 529/1297 cut-off events. For 103363/103365 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9131 event pairs, 4 based on Foata normal form. 1/1126 useless extension candidates. Maximal degree in co-relation 16499. Up to 320 conditions per place. [2021-03-26 05:22:03,866 INFO L142 LiptonReduction]: Number of co-enabled transitions 2134 [2021-03-26 05:22:04,035 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-26 05:22:04,036 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:22:04,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 563 [2021-03-26 05:22:04,036 INFO L480 AbstractCegarLoop]: Abstraction has has 549 places, 623 transitions, 19971 flow [2021-03-26 05:22:04,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:04,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:04,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:04,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264 [2021-03-26 05:22:04,036 INFO L428 AbstractCegarLoop]: === Iteration 266 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:04,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:04,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1544379707, now seen corresponding path program 2 times [2021-03-26 05:22:04,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:04,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541701920] [2021-03-26 05:22:04,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:04,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:04,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:04,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:04,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:04,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:04,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:04,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:04,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:04,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:04,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:04,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:04,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:04,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:04,113 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:04,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:04,117 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:04,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:04,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:04,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:04,152 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:04,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:04,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541701920] [2021-03-26 05:22:04,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:04,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:22:04,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039062269] [2021-03-26 05:22:04,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:22:04,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:04,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:22:04,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:22:04,157 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 143 [2021-03-26 05:22:04,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 623 transitions, 19971 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:04,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:04,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 143 [2021-03-26 05:22:04,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:05,538 INFO L129 PetriNetUnfolder]: 607/1425 cut-off events. [2021-03-26 05:22:05,538 INFO L130 PetriNetUnfolder]: For 123294/123296 co-relation queries the response was YES. [2021-03-26 05:22:05,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19537 conditions, 1425 events. 607/1425 cut-off events. For 123294/123296 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9904 event pairs, 14 based on Foata normal form. 3/1240 useless extension candidates. Maximal degree in co-relation 19283. Up to 761 conditions per place. [2021-03-26 05:22:05,575 INFO L132 encePairwiseOnDemand]: 125/143 looper letters, 473 selfloop transitions, 170 changer transitions 1/662 dead transitions. [2021-03-26 05:22:05,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 662 transitions, 23494 flow [2021-03-26 05:22:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:22:05,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:22:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 806 transitions. [2021-03-26 05:22:05,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37575757575757573 [2021-03-26 05:22:05,577 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 806 transitions. [2021-03-26 05:22:05,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 806 transitions. [2021-03-26 05:22:05,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:05,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 806 transitions. [2021-03-26 05:22:05,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.733333333333334) internal successors, (806), 15 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:05,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 143.0) internal successors, (2288), 16 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:05,579 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 143.0) internal successors, (2288), 16 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:05,579 INFO L185 Difference]: Start difference. First operand has 549 places, 623 transitions, 19971 flow. Second operand 15 states and 806 transitions. [2021-03-26 05:22:05,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 662 transitions, 23494 flow [2021-03-26 05:22:06,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 662 transitions, 22454 flow, removed 451 selfloop flow, removed 10 redundant places. [2021-03-26 05:22:06,600 INFO L241 Difference]: Finished difference. Result has 556 places, 653 transitions, 21591 flow [2021-03-26 05:22:06,601 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=19007, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=21591, PETRI_PLACES=556, PETRI_TRANSITIONS=653} [2021-03-26 05:22:06,601 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 503 predicate places. [2021-03-26 05:22:06,601 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:06,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 556 places, 653 transitions, 21591 flow [2021-03-26 05:22:06,601 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 556 places, 653 transitions, 21591 flow [2021-03-26 05:22:06,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 556 places, 653 transitions, 21591 flow [2021-03-26 05:22:06,974 INFO L129 PetriNetUnfolder]: 557/1356 cut-off events. [2021-03-26 05:22:06,975 INFO L130 PetriNetUnfolder]: For 118622/118682 co-relation queries the response was YES. [2021-03-26 05:22:07,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17954 conditions, 1356 events. 557/1356 cut-off events. For 118622/118682 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9697 event pairs, 9 based on Foata normal form. 6/1176 useless extension candidates. Maximal degree in co-relation 17705. Up to 337 conditions per place. [2021-03-26 05:22:07,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 2226 [2021-03-26 05:22:07,081 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:07,081 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:07,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 480 [2021-03-26 05:22:07,081 INFO L480 AbstractCegarLoop]: Abstraction has has 556 places, 653 transitions, 21591 flow [2021-03-26 05:22:07,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:07,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:07,082 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:07,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265 [2021-03-26 05:22:07,082 INFO L428 AbstractCegarLoop]: === Iteration 267 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:07,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:07,082 INFO L82 PathProgramCache]: Analyzing trace with hash 176991728, now seen corresponding path program 1 times [2021-03-26 05:22:07,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:07,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674204831] [2021-03-26 05:22:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:07,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:07,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:07,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:07,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:07,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:07,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:07,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:07,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:07,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:07,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:07,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:07,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:07,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:07,154 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:07,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:07,169 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:07,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:07,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674204831] [2021-03-26 05:22:07,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:07,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:22:07,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422901965] [2021-03-26 05:22:07,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:22:07,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:07,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:22:07,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:22:07,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 143 [2021-03-26 05:22:07,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 653 transitions, 21591 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:07,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:07,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 143 [2021-03-26 05:22:07,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:08,384 INFO L129 PetriNetUnfolder]: 608/1434 cut-off events. [2021-03-26 05:22:08,384 INFO L130 PetriNetUnfolder]: For 122540/122544 co-relation queries the response was YES. [2021-03-26 05:22:08,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19409 conditions, 1434 events. 608/1434 cut-off events. For 122540/122544 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 10061 event pairs, 8 based on Foata normal form. 6/1248 useless extension candidates. Maximal degree in co-relation 19155. Up to 774 conditions per place. [2021-03-26 05:22:08,422 INFO L132 encePairwiseOnDemand]: 125/143 looper letters, 491 selfloop transitions, 150 changer transitions 6/665 dead transitions. [2021-03-26 05:22:08,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 665 transitions, 23373 flow [2021-03-26 05:22:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:22:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:22:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 751 transitions. [2021-03-26 05:22:08,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37512487512487513 [2021-03-26 05:22:08,424 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 751 transitions. [2021-03-26 05:22:08,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 751 transitions. [2021-03-26 05:22:08,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:08,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 751 transitions. [2021-03-26 05:22:08,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.642857142857146) internal successors, (751), 14 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:08,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 143.0) internal successors, (2145), 15 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:08,425 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 143.0) internal successors, (2145), 15 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:08,426 INFO L185 Difference]: Start difference. First operand has 556 places, 653 transitions, 21591 flow. Second operand 14 states and 751 transitions. [2021-03-26 05:22:08,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 665 transitions, 23373 flow [2021-03-26 05:22:09,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 665 transitions, 22021 flow, removed 643 selfloop flow, removed 7 redundant places. [2021-03-26 05:22:09,616 INFO L241 Difference]: Finished difference. Result has 565 places, 651 transitions, 20945 flow [2021-03-26 05:22:09,616 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=20325, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20945, PETRI_PLACES=565, PETRI_TRANSITIONS=651} [2021-03-26 05:22:09,616 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 512 predicate places. [2021-03-26 05:22:09,617 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:09,617 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 565 places, 651 transitions, 20945 flow [2021-03-26 05:22:09,617 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 565 places, 651 transitions, 20945 flow [2021-03-26 05:22:09,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 561 places, 651 transitions, 20945 flow [2021-03-26 05:22:09,968 INFO L129 PetriNetUnfolder]: 541/1320 cut-off events. [2021-03-26 05:22:09,968 INFO L130 PetriNetUnfolder]: For 105813/105872 co-relation queries the response was YES. [2021-03-26 05:22:09,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17088 conditions, 1320 events. 541/1320 cut-off events. For 105813/105872 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9357 event pairs, 5 based on Foata normal form. 5/1147 useless extension candidates. Maximal degree in co-relation 16836. Up to 319 conditions per place. [2021-03-26 05:22:10,014 INFO L142 LiptonReduction]: Number of co-enabled transitions 2172 [2021-03-26 05:22:10,063 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:10,063 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:10,063 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-03-26 05:22:10,064 INFO L480 AbstractCegarLoop]: Abstraction has has 561 places, 651 transitions, 20945 flow [2021-03-26 05:22:10,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:10,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:10,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:10,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable266 [2021-03-26 05:22:10,064 INFO L428 AbstractCegarLoop]: === Iteration 268 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:10,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:10,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1117882133, now seen corresponding path program 3 times [2021-03-26 05:22:10,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:10,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393325932] [2021-03-26 05:22:10,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:10,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:10,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:10,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:10,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:10,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:10,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:10,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:10,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:10,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:10,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:10,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:10,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:10,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:10,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:10,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:10,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:10,144 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:10,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:10,158 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:10,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:10,174 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:10,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:10,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393325932] [2021-03-26 05:22:10,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:10,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:22:10,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651102030] [2021-03-26 05:22:10,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:22:10,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:10,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:22:10,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:22:10,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 143 [2021-03-26 05:22:10,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 651 transitions, 20945 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:10,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:10,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 143 [2021-03-26 05:22:10,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:11,343 INFO L129 PetriNetUnfolder]: 609/1431 cut-off events. [2021-03-26 05:22:11,343 INFO L130 PetriNetUnfolder]: For 118907/118915 co-relation queries the response was YES. [2021-03-26 05:22:11,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19386 conditions, 1431 events. 609/1431 cut-off events. For 118907/118915 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9980 event pairs, 14 based on Foata normal form. 9/1253 useless extension candidates. Maximal degree in co-relation 19129. Up to 746 conditions per place. [2021-03-26 05:22:11,380 INFO L132 encePairwiseOnDemand]: 126/143 looper letters, 446 selfloop transitions, 201 changer transitions 10/675 dead transitions. [2021-03-26 05:22:11,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 675 transitions, 23473 flow [2021-03-26 05:22:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 05:22:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 05:22:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 960 transitions. [2021-03-26 05:22:11,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.372960372960373 [2021-03-26 05:22:11,382 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 960 transitions. [2021-03-26 05:22:11,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 960 transitions. [2021-03-26 05:22:11,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:11,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 960 transitions. [2021-03-26 05:22:11,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 53.333333333333336) internal successors, (960), 18 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:11,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 143.0) internal successors, (2717), 19 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:11,384 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 143.0) internal successors, (2717), 19 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:11,384 INFO L185 Difference]: Start difference. First operand has 561 places, 651 transitions, 20945 flow. Second operand 18 states and 960 transitions. [2021-03-26 05:22:11,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 675 transitions, 23473 flow [2021-03-26 05:22:12,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 675 transitions, 23320 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-03-26 05:22:12,307 INFO L241 Difference]: Finished difference. Result has 573 places, 657 transitions, 21848 flow [2021-03-26 05:22:12,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=20803, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=651, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=195, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=21848, PETRI_PLACES=573, PETRI_TRANSITIONS=657} [2021-03-26 05:22:12,307 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 520 predicate places. [2021-03-26 05:22:12,307 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:12,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 573 places, 657 transitions, 21848 flow [2021-03-26 05:22:12,308 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 573 places, 657 transitions, 21848 flow [2021-03-26 05:22:12,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 573 places, 657 transitions, 21848 flow [2021-03-26 05:22:12,656 INFO L129 PetriNetUnfolder]: 533/1299 cut-off events. [2021-03-26 05:22:12,656 INFO L130 PetriNetUnfolder]: For 108463/108522 co-relation queries the response was YES. [2021-03-26 05:22:12,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17447 conditions, 1299 events. 533/1299 cut-off events. For 108463/108522 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9157 event pairs, 13 based on Foata normal form. 6/1132 useless extension candidates. Maximal degree in co-relation 17192. Up to 323 conditions per place. [2021-03-26 05:22:12,705 INFO L142 LiptonReduction]: Number of co-enabled transitions 2172 [2021-03-26 05:22:12,759 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:12,759 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:12,759 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-03-26 05:22:12,759 INFO L480 AbstractCegarLoop]: Abstraction has has 573 places, 657 transitions, 21848 flow [2021-03-26 05:22:12,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:12,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:12,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:12,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable267 [2021-03-26 05:22:12,760 INFO L428 AbstractCegarLoop]: === Iteration 269 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:12,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:12,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1110971697, now seen corresponding path program 4 times [2021-03-26 05:22:12,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:12,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751075080] [2021-03-26 05:22:12,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:12,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:12,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:12,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:12,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:12,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:12,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:12,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:12,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:12,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:12,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:12,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:12,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:12,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:12,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:12,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:12,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:12,891 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:12,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:12,906 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:12,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:12,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751075080] [2021-03-26 05:22:12,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:12,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:22:12,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303457720] [2021-03-26 05:22:12,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:22:12,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:12,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:22:12,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:22:12,909 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 143 [2021-03-26 05:22:12,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 657 transitions, 21848 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:12,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:12,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 143 [2021-03-26 05:22:12,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:13,931 INFO L129 PetriNetUnfolder]: 607/1435 cut-off events. [2021-03-26 05:22:13,931 INFO L130 PetriNetUnfolder]: For 121843/121845 co-relation queries the response was YES. [2021-03-26 05:22:13,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19526 conditions, 1435 events. 607/1435 cut-off events. For 121843/121845 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10010 event pairs, 16 based on Foata normal form. 3/1247 useless extension candidates. Maximal degree in co-relation 19266. Up to 756 conditions per place. [2021-03-26 05:22:13,968 INFO L132 encePairwiseOnDemand]: 126/143 looper letters, 460 selfloop transitions, 188 changer transitions 4/670 dead transitions. [2021-03-26 05:22:13,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 592 places, 670 transitions, 23619 flow [2021-03-26 05:22:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 05:22:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 05:22:13,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1059 transitions. [2021-03-26 05:22:13,970 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3702797202797203 [2021-03-26 05:22:13,970 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1059 transitions. [2021-03-26 05:22:13,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1059 transitions. [2021-03-26 05:22:13,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:13,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1059 transitions. [2021-03-26 05:22:13,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 52.95) internal successors, (1059), 20 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:13,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 143.0) internal successors, (3003), 21 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:13,972 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 143.0) internal successors, (3003), 21 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:13,972 INFO L185 Difference]: Start difference. First operand has 573 places, 657 transitions, 21848 flow. Second operand 20 states and 1059 transitions. [2021-03-26 05:22:13,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 592 places, 670 transitions, 23619 flow [2021-03-26 05:22:14,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 670 transitions, 23115 flow, removed 159 selfloop flow, removed 12 redundant places. [2021-03-26 05:22:14,988 INFO L241 Difference]: Finished difference. Result has 583 places, 657 transitions, 22121 flow [2021-03-26 05:22:14,989 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=21359, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=22121, PETRI_PLACES=583, PETRI_TRANSITIONS=657} [2021-03-26 05:22:14,989 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 530 predicate places. [2021-03-26 05:22:14,989 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:14,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 583 places, 657 transitions, 22121 flow [2021-03-26 05:22:14,989 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 583 places, 657 transitions, 22121 flow [2021-03-26 05:22:14,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 583 places, 657 transitions, 22121 flow [2021-03-26 05:22:15,368 INFO L129 PetriNetUnfolder]: 546/1345 cut-off events. [2021-03-26 05:22:15,368 INFO L130 PetriNetUnfolder]: For 114932/114991 co-relation queries the response was YES. [2021-03-26 05:22:15,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17772 conditions, 1345 events. 546/1345 cut-off events. For 114932/114991 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9611 event pairs, 6 based on Foata normal form. 5/1165 useless extension candidates. Maximal degree in co-relation 17514. Up to 326 conditions per place. [2021-03-26 05:22:15,421 INFO L142 LiptonReduction]: Number of co-enabled transitions 2164 [2021-03-26 05:22:15,580 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 05:22:15,580 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:22:15,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 591 [2021-03-26 05:22:15,580 INFO L480 AbstractCegarLoop]: Abstraction has has 583 places, 657 transitions, 22124 flow [2021-03-26 05:22:15,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:15,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:15,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:15,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable268 [2021-03-26 05:22:15,581 INFO L428 AbstractCegarLoop]: === Iteration 270 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:15,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:15,581 INFO L82 PathProgramCache]: Analyzing trace with hash 976285269, now seen corresponding path program 5 times [2021-03-26 05:22:15,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:15,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224622452] [2021-03-26 05:22:15,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:15,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:15,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:15,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:15,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:15,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:15,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:15,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:15,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:15,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:15,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:15,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:15,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:15,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:15,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:15,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:15,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:15,673 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:15,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:15,688 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:15,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:15,705 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:15,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:15,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224622452] [2021-03-26 05:22:15,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:15,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:22:15,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273058741] [2021-03-26 05:22:15,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:22:15,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:15,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:22:15,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:22:15,709 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 144 [2021-03-26 05:22:15,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 657 transitions, 22124 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:15,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:15,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 144 [2021-03-26 05:22:15,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:17,458 INFO L129 PetriNetUnfolder]: 602/1426 cut-off events. [2021-03-26 05:22:17,459 INFO L130 PetriNetUnfolder]: For 127729/127737 co-relation queries the response was YES. [2021-03-26 05:22:17,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19593 conditions, 1426 events. 602/1426 cut-off events. For 127729/127737 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 9977 event pairs, 15 based on Foata normal form. 9/1247 useless extension candidates. Maximal degree in co-relation 19330. Up to 720 conditions per place. [2021-03-26 05:22:17,496 INFO L132 encePairwiseOnDemand]: 126/144 looper letters, 424 selfloop transitions, 224 changer transitions 2/668 dead transitions. [2021-03-26 05:22:17,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 668 transitions, 23712 flow [2021-03-26 05:22:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 05:22:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 05:22:17,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1208 transitions. [2021-03-26 05:22:17,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3647342995169082 [2021-03-26 05:22:17,498 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 1208 transitions. [2021-03-26 05:22:17,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 1208 transitions. [2021-03-26 05:22:17,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:17,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 1208 transitions. [2021-03-26 05:22:17,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 52.52173913043478) internal successors, (1208), 23 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:17,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 144.0) internal successors, (3456), 24 states have internal predecessors, (3456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:17,501 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 144.0) internal successors, (3456), 24 states have internal predecessors, (3456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:17,501 INFO L185 Difference]: Start difference. First operand has 583 places, 657 transitions, 22124 flow. Second operand 23 states and 1208 transitions. [2021-03-26 05:22:17,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 668 transitions, 23712 flow [2021-03-26 05:22:18,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 668 transitions, 23274 flow, removed 111 selfloop flow, removed 16 redundant places. [2021-03-26 05:22:18,561 INFO L241 Difference]: Finished difference. Result has 592 places, 657 transitions, 22364 flow [2021-03-26 05:22:18,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=21686, PETRI_DIFFERENCE_MINUEND_PLACES=567, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=22364, PETRI_PLACES=592, PETRI_TRANSITIONS=657} [2021-03-26 05:22:18,562 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 539 predicate places. [2021-03-26 05:22:18,562 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:18,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 592 places, 657 transitions, 22364 flow [2021-03-26 05:22:18,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 592 places, 657 transitions, 22364 flow [2021-03-26 05:22:18,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 592 places, 657 transitions, 22364 flow [2021-03-26 05:22:18,931 INFO L129 PetriNetUnfolder]: 540/1334 cut-off events. [2021-03-26 05:22:18,931 INFO L130 PetriNetUnfolder]: For 120347/120411 co-relation queries the response was YES. [2021-03-26 05:22:18,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17836 conditions, 1334 events. 540/1334 cut-off events. For 120347/120411 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9586 event pairs, 8 based on Foata normal form. 10/1161 useless extension candidates. Maximal degree in co-relation 17577. Up to 324 conditions per place. [2021-03-26 05:22:19,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 2180 [2021-03-26 05:22:19,087 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:19,087 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:19,087 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 525 [2021-03-26 05:22:19,088 INFO L480 AbstractCegarLoop]: Abstraction has has 592 places, 657 transitions, 22364 flow [2021-03-26 05:22:19,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:19,088 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:19,088 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:19,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269 [2021-03-26 05:22:19,088 INFO L428 AbstractCegarLoop]: === Iteration 271 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:19,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:19,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1073711983, now seen corresponding path program 6 times [2021-03-26 05:22:19,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:19,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682082592] [2021-03-26 05:22:19,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:19,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:19,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:19,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:19,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:19,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:19,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:19,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:19,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:19,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:19,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:19,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:19,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:19,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:19,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:19,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:19,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:19,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:19,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:19,194 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:19,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:19,212 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:19,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:19,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682082592] [2021-03-26 05:22:19,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:19,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:22:19,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038779909] [2021-03-26 05:22:19,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:22:19,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:19,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:22:19,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:22:19,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 144 [2021-03-26 05:22:19,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 592 places, 657 transitions, 22364 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:19,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:19,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 144 [2021-03-26 05:22:19,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:20,489 INFO L129 PetriNetUnfolder]: 622/1482 cut-off events. [2021-03-26 05:22:20,490 INFO L130 PetriNetUnfolder]: For 138737/138741 co-relation queries the response was YES. [2021-03-26 05:22:20,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20568 conditions, 1482 events. 622/1482 cut-off events. For 138737/138741 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10463 event pairs, 6 based on Foata normal form. 6/1286 useless extension candidates. Maximal degree in co-relation 20304. Up to 786 conditions per place. [2021-03-26 05:22:20,529 INFO L132 encePairwiseOnDemand]: 127/144 looper letters, 553 selfloop transitions, 111 changer transitions 0/682 dead transitions. [2021-03-26 05:22:20,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 682 transitions, 25025 flow [2021-03-26 05:22:20,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:22:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:22:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 863 transitions. [2021-03-26 05:22:20,531 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3745659722222222 [2021-03-26 05:22:20,531 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 863 transitions. [2021-03-26 05:22:20,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 863 transitions. [2021-03-26 05:22:20,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:20,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 863 transitions. [2021-03-26 05:22:20,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.9375) internal successors, (863), 16 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:20,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:20,533 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:20,533 INFO L185 Difference]: Start difference. First operand has 592 places, 657 transitions, 22364 flow. Second operand 16 states and 863 transitions. [2021-03-26 05:22:20,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 682 transitions, 25025 flow [2021-03-26 05:22:21,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 682 transitions, 24649 flow, removed 71 selfloop flow, removed 18 redundant places. [2021-03-26 05:22:21,732 INFO L241 Difference]: Finished difference. Result has 592 places, 669 transitions, 23462 flow [2021-03-26 05:22:21,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=21988, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23462, PETRI_PLACES=592, PETRI_TRANSITIONS=669} [2021-03-26 05:22:21,733 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 539 predicate places. [2021-03-26 05:22:21,733 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:21,733 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 592 places, 669 transitions, 23462 flow [2021-03-26 05:22:21,733 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 592 places, 669 transitions, 23462 flow [2021-03-26 05:22:21,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 592 places, 669 transitions, 23462 flow [2021-03-26 05:22:22,133 INFO L129 PetriNetUnfolder]: 571/1403 cut-off events. [2021-03-26 05:22:22,133 INFO L130 PetriNetUnfolder]: For 143026/143034 co-relation queries the response was YES. [2021-03-26 05:22:22,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19138 conditions, 1403 events. 571/1403 cut-off events. For 143026/143034 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10241 event pairs, 10 based on Foata normal form. 6/1219 useless extension candidates. Maximal degree in co-relation 18878. Up to 345 conditions per place. [2021-03-26 05:22:22,189 INFO L142 LiptonReduction]: Number of co-enabled transitions 2266 [2021-03-26 05:22:22,342 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:22:22,342 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:22:22,342 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 609 [2021-03-26 05:22:22,342 INFO L480 AbstractCegarLoop]: Abstraction has has 592 places, 669 transitions, 23527 flow [2021-03-26 05:22:22,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:22,343 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:22,343 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:22,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270 [2021-03-26 05:22:22,343 INFO L428 AbstractCegarLoop]: === Iteration 272 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:22,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:22,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1009669595, now seen corresponding path program 7 times [2021-03-26 05:22:22,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:22,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849341989] [2021-03-26 05:22:22,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:22,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:22,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:22,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:22,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:22,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:22,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:22,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:22,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:22,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:22,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:22,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:22,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:22,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:22,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:22,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:22,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:22,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:22,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:22,435 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:22:22,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:22,440 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:22,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:22,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849341989] [2021-03-26 05:22:22,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:22,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:22:22,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124841408] [2021-03-26 05:22:22,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:22:22,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:22,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:22:22,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:22:22,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 145 [2021-03-26 05:22:22,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 592 places, 669 transitions, 23527 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:22,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:22,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 145 [2021-03-26 05:22:22,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:23,690 INFO L129 PetriNetUnfolder]: 627/1499 cut-off events. [2021-03-26 05:22:23,690 INFO L130 PetriNetUnfolder]: For 146259/146267 co-relation queries the response was YES. [2021-03-26 05:22:23,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21007 conditions, 1499 events. 627/1499 cut-off events. For 146259/146267 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10669 event pairs, 14 based on Foata normal form. 9/1303 useless extension candidates. Maximal degree in co-relation 20742. Up to 831 conditions per place. [2021-03-26 05:22:23,726 INFO L132 encePairwiseOnDemand]: 128/145 looper letters, 574 selfloop transitions, 92 changer transitions 1/685 dead transitions. [2021-03-26 05:22:23,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 685 transitions, 25566 flow [2021-03-26 05:22:23,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:22:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:22:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 803 transitions. [2021-03-26 05:22:23,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36919540229885056 [2021-03-26 05:22:23,727 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 803 transitions. [2021-03-26 05:22:23,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 803 transitions. [2021-03-26 05:22:23,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:23,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 803 transitions. [2021-03-26 05:22:23,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.53333333333333) internal successors, (803), 15 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:23,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:23,729 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:23,729 INFO L185 Difference]: Start difference. First operand has 592 places, 669 transitions, 23527 flow. Second operand 15 states and 803 transitions. [2021-03-26 05:22:23,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 685 transitions, 25566 flow [2021-03-26 05:22:24,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 685 transitions, 24317 flow, removed 580 selfloop flow, removed 9 redundant places. [2021-03-26 05:22:24,905 INFO L241 Difference]: Finished difference. Result has 600 places, 674 transitions, 23110 flow [2021-03-26 05:22:24,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=22542, PETRI_DIFFERENCE_MINUEND_PLACES=583, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=23110, PETRI_PLACES=600, PETRI_TRANSITIONS=674} [2021-03-26 05:22:24,906 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 547 predicate places. [2021-03-26 05:22:24,906 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:24,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 600 places, 674 transitions, 23110 flow [2021-03-26 05:22:24,906 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 600 places, 674 transitions, 23110 flow [2021-03-26 05:22:24,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 600 places, 674 transitions, 23110 flow [2021-03-26 05:22:25,299 INFO L129 PetriNetUnfolder]: 565/1406 cut-off events. [2021-03-26 05:22:25,299 INFO L130 PetriNetUnfolder]: For 124183/124237 co-relation queries the response was YES. [2021-03-26 05:22:25,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18569 conditions, 1406 events. 565/1406 cut-off events. For 124183/124237 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 10285 event pairs, 8 based on Foata normal form. 6/1214 useless extension candidates. Maximal degree in co-relation 18305. Up to 325 conditions per place. [2021-03-26 05:22:25,359 INFO L142 LiptonReduction]: Number of co-enabled transitions 2302 [2021-03-26 05:22:25,515 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:22:25,516 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:22:25,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 610 [2021-03-26 05:22:25,516 INFO L480 AbstractCegarLoop]: Abstraction has has 600 places, 674 transitions, 23177 flow [2021-03-26 05:22:25,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:25,516 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:25,516 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:25,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable271 [2021-03-26 05:22:25,516 INFO L428 AbstractCegarLoop]: === Iteration 273 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:25,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:25,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1894129297, now seen corresponding path program 8 times [2021-03-26 05:22:25,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:25,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147597455] [2021-03-26 05:22:25,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:25,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:25,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:25,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:25,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:25,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:25,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:25,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:25,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:25,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:25,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:25,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:25,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:25,581 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:25,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:25,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:25,600 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:25,617 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:25,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:25,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147597455] [2021-03-26 05:22:25,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:25,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:22:25,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564355503] [2021-03-26 05:22:25,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:22:25,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:25,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:22:25,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:22:25,621 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 146 [2021-03-26 05:22:25,621 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 674 transitions, 23177 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:25,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:25,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 146 [2021-03-26 05:22:25,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:27,152 INFO L129 PetriNetUnfolder]: 635/1533 cut-off events. [2021-03-26 05:22:27,153 INFO L130 PetriNetUnfolder]: For 137372/137380 co-relation queries the response was YES. [2021-03-26 05:22:27,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20626 conditions, 1533 events. 635/1533 cut-off events. For 137372/137380 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 11074 event pairs, 14 based on Foata normal form. 10/1329 useless extension candidates. Maximal degree in co-relation 20357. Up to 837 conditions per place. [2021-03-26 05:22:27,198 INFO L132 encePairwiseOnDemand]: 129/146 looper letters, 574 selfloop transitions, 94 changer transitions 3/689 dead transitions. [2021-03-26 05:22:27,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 615 places, 689 transitions, 25023 flow [2021-03-26 05:22:27,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:22:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:22:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 856 transitions. [2021-03-26 05:22:27,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3664383561643836 [2021-03-26 05:22:27,199 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 856 transitions. [2021-03-26 05:22:27,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 856 transitions. [2021-03-26 05:22:27,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:27,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 856 transitions. [2021-03-26 05:22:27,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.5) internal successors, (856), 16 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:27,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 146.0) internal successors, (2482), 17 states have internal predecessors, (2482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:27,201 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 146.0) internal successors, (2482), 17 states have internal predecessors, (2482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:27,201 INFO L185 Difference]: Start difference. First operand has 600 places, 674 transitions, 23177 flow. Second operand 16 states and 856 transitions. [2021-03-26 05:22:27,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 615 places, 689 transitions, 25023 flow [2021-03-26 05:22:28,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 605 places, 689 transitions, 24585 flow, removed 159 selfloop flow, removed 10 redundant places. [2021-03-26 05:22:28,397 INFO L241 Difference]: Finished difference. Result has 608 places, 678 transitions, 23326 flow [2021-03-26 05:22:28,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=22739, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=674, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23326, PETRI_PLACES=608, PETRI_TRANSITIONS=678} [2021-03-26 05:22:28,398 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 555 predicate places. [2021-03-26 05:22:28,398 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:28,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 608 places, 678 transitions, 23326 flow [2021-03-26 05:22:28,398 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 608 places, 678 transitions, 23326 flow [2021-03-26 05:22:28,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 608 places, 678 transitions, 23326 flow [2021-03-26 05:22:28,796 INFO L129 PetriNetUnfolder]: 572/1427 cut-off events. [2021-03-26 05:22:28,796 INFO L130 PetriNetUnfolder]: For 130428/130489 co-relation queries the response was YES. [2021-03-26 05:22:28,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18535 conditions, 1427 events. 572/1427 cut-off events. For 130428/130489 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10573 event pairs, 9 based on Foata normal form. 12/1231 useless extension candidates. Maximal degree in co-relation 18267. Up to 326 conditions per place. [2021-03-26 05:22:28,854 INFO L142 LiptonReduction]: Number of co-enabled transitions 2352 [2021-03-26 05:22:28,997 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:28,997 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:22:28,997 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 599 [2021-03-26 05:22:28,997 INFO L480 AbstractCegarLoop]: Abstraction has has 608 places, 678 transitions, 23344 flow [2021-03-26 05:22:28,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:28,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:28,997 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:28,998 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272 [2021-03-26 05:22:28,998 INFO L428 AbstractCegarLoop]: === Iteration 274 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:28,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:28,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1628666869, now seen corresponding path program 9 times [2021-03-26 05:22:28,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:28,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24885524] [2021-03-26 05:22:28,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:29,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:29,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:29,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:29,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:29,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:29,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:29,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:29,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:29,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:29,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:29,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:29,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:29,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:29,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:29,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:29,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:29,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:29,093 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:29,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:29,109 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:29,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:29,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24885524] [2021-03-26 05:22:29,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:29,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:22:29,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129508635] [2021-03-26 05:22:29,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:22:29,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:29,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:22:29,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:22:29,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 147 [2021-03-26 05:22:29,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 678 transitions, 23344 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:29,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:29,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 147 [2021-03-26 05:22:29,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:30,559 INFO L129 PetriNetUnfolder]: 638/1546 cut-off events. [2021-03-26 05:22:30,559 INFO L130 PetriNetUnfolder]: For 135870/135874 co-relation queries the response was YES. [2021-03-26 05:22:30,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20612 conditions, 1546 events. 638/1546 cut-off events. For 135870/135874 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 11239 event pairs, 6 based on Foata normal form. 5/1332 useless extension candidates. Maximal degree in co-relation 20339. Up to 835 conditions per place. [2021-03-26 05:22:30,599 INFO L132 encePairwiseOnDemand]: 128/147 looper letters, 579 selfloop transitions, 83 changer transitions 8/688 dead transitions. [2021-03-26 05:22:30,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 688 transitions, 24771 flow [2021-03-26 05:22:30,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:22:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:22:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 901 transitions. [2021-03-26 05:22:30,600 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36054421768707484 [2021-03-26 05:22:30,600 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 901 transitions. [2021-03-26 05:22:30,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 901 transitions. [2021-03-26 05:22:30,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:30,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 901 transitions. [2021-03-26 05:22:30,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.0) internal successors, (901), 17 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:30,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:30,602 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:30,602 INFO L185 Difference]: Start difference. First operand has 608 places, 678 transitions, 23344 flow. Second operand 17 states and 901 transitions. [2021-03-26 05:22:30,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 688 transitions, 24771 flow [2021-03-26 05:22:31,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 688 transitions, 24278 flow, removed 218 selfloop flow, removed 9 redundant places. [2021-03-26 05:22:31,883 INFO L241 Difference]: Finished difference. Result has 617 places, 671 transitions, 22787 flow [2021-03-26 05:22:31,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=22851, PETRI_DIFFERENCE_MINUEND_PLACES=599, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=22787, PETRI_PLACES=617, PETRI_TRANSITIONS=671} [2021-03-26 05:22:31,884 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 564 predicate places. [2021-03-26 05:22:31,884 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:31,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 617 places, 671 transitions, 22787 flow [2021-03-26 05:22:31,884 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 617 places, 671 transitions, 22787 flow [2021-03-26 05:22:31,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 611 places, 671 transitions, 22787 flow [2021-03-26 05:22:32,285 INFO L129 PetriNetUnfolder]: 569/1402 cut-off events. [2021-03-26 05:22:32,285 INFO L130 PetriNetUnfolder]: For 136848/136903 co-relation queries the response was YES. [2021-03-26 05:22:32,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18661 conditions, 1402 events. 569/1402 cut-off events. For 136848/136903 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10215 event pairs, 5 based on Foata normal form. 5/1213 useless extension candidates. Maximal degree in co-relation 18390. Up to 321 conditions per place. [2021-03-26 05:22:32,346 INFO L142 LiptonReduction]: Number of co-enabled transitions 2310 [2021-03-26 05:22:32,508 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:32,508 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:22:32,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 625 [2021-03-26 05:22:32,509 INFO L480 AbstractCegarLoop]: Abstraction has has 611 places, 671 transitions, 22843 flow [2021-03-26 05:22:32,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:32,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:32,509 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:32,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273 [2021-03-26 05:22:32,509 INFO L428 AbstractCegarLoop]: === Iteration 275 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:32,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:32,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1495248253, now seen corresponding path program 10 times [2021-03-26 05:22:32,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:32,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969095394] [2021-03-26 05:22:32,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:32,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:32,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:32,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:32,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:32,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:32,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:32,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:32,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:32,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:32,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:32,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:32,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:32,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:32,607 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:32,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:32,623 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:32,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:32,639 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:32,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:32,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969095394] [2021-03-26 05:22:32,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:32,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:22:32,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189214495] [2021-03-26 05:22:32,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:22:32,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:32,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:22:32,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:22:32,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 148 [2021-03-26 05:22:32,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 671 transitions, 22843 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:32,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:32,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 148 [2021-03-26 05:22:32,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:33,743 INFO L129 PetriNetUnfolder]: 622/1499 cut-off events. [2021-03-26 05:22:33,743 INFO L130 PetriNetUnfolder]: For 138678/138682 co-relation queries the response was YES. [2021-03-26 05:22:33,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20397 conditions, 1499 events. 622/1499 cut-off events. For 138678/138682 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10764 event pairs, 4 based on Foata normal form. 6/1300 useless extension candidates. Maximal degree in co-relation 20121. Up to 809 conditions per place. [2021-03-26 05:22:33,778 INFO L132 encePairwiseOnDemand]: 129/148 looper letters, 535 selfloop transitions, 127 changer transitions 8/688 dead transitions. [2021-03-26 05:22:33,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 688 transitions, 24725 flow [2021-03-26 05:22:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 05:22:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 05:22:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1118 transitions. [2021-03-26 05:22:33,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35971685971685974 [2021-03-26 05:22:33,780 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1118 transitions. [2021-03-26 05:22:33,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1118 transitions. [2021-03-26 05:22:33,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:33,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1118 transitions. [2021-03-26 05:22:33,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 53.23809523809524) internal successors, (1118), 21 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:33,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 148.0) internal successors, (3256), 22 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:33,781 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 148.0) internal successors, (3256), 22 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:33,782 INFO L185 Difference]: Start difference. First operand has 611 places, 671 transitions, 22843 flow. Second operand 21 states and 1118 transitions. [2021-03-26 05:22:33,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 688 transitions, 24725 flow [2021-03-26 05:22:34,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 688 transitions, 24479 flow, removed 25 selfloop flow, removed 16 redundant places. [2021-03-26 05:22:34,714 INFO L241 Difference]: Finished difference. Result has 618 places, 669 transitions, 22856 flow [2021-03-26 05:22:34,714 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=22603, PETRI_DIFFERENCE_MINUEND_PLACES=595, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=22856, PETRI_PLACES=618, PETRI_TRANSITIONS=669} [2021-03-26 05:22:34,714 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 565 predicate places. [2021-03-26 05:22:34,715 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:34,715 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 618 places, 669 transitions, 22856 flow [2021-03-26 05:22:34,715 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 618 places, 669 transitions, 22856 flow [2021-03-26 05:22:34,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 618 places, 669 transitions, 22856 flow [2021-03-26 05:22:34,999 INFO L129 PetriNetUnfolder]: 548/1367 cut-off events. [2021-03-26 05:22:34,999 INFO L130 PetriNetUnfolder]: For 126988/127047 co-relation queries the response was YES. [2021-03-26 05:22:35,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18216 conditions, 1367 events. 548/1367 cut-off events. For 126988/127047 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 9978 event pairs, 16 based on Foata normal form. 11/1188 useless extension candidates. Maximal degree in co-relation 17946. Up to 314 conditions per place. [2021-03-26 05:22:35,040 INFO L142 LiptonReduction]: Number of co-enabled transitions 2346 [2021-03-26 05:22:35,090 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:35,090 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:35,090 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-03-26 05:22:35,091 INFO L480 AbstractCegarLoop]: Abstraction has has 618 places, 669 transitions, 22856 flow [2021-03-26 05:22:35,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:35,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:35,091 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:35,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable274 [2021-03-26 05:22:35,091 INFO L428 AbstractCegarLoop]: === Iteration 276 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:35,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:35,091 INFO L82 PathProgramCache]: Analyzing trace with hash 912055110, now seen corresponding path program 1 times [2021-03-26 05:22:35,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:35,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573081460] [2021-03-26 05:22:35,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:35,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:35,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:35,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:35,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:35,108 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:22:35,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:35,114 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:22:35,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:35,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:22:35,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:35,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:35,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:35,155 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:35,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:35,158 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:35,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:35,170 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:35,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:35,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573081460] [2021-03-26 05:22:35,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:35,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:22:35,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487152517] [2021-03-26 05:22:35,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:22:35,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:35,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:22:35,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:22:35,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 148 [2021-03-26 05:22:35,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 669 transitions, 22856 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:35,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:35,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 148 [2021-03-26 05:22:35,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:35,981 INFO L129 PetriNetUnfolder]: 630/1512 cut-off events. [2021-03-26 05:22:35,981 INFO L130 PetriNetUnfolder]: For 141269/141277 co-relation queries the response was YES. [2021-03-26 05:22:36,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20653 conditions, 1512 events. 630/1512 cut-off events. For 141269/141277 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10821 event pairs, 4 based on Foata normal form. 9/1311 useless extension candidates. Maximal degree in co-relation 20378. Up to 820 conditions per place. [2021-03-26 05:22:36,077 INFO L132 encePairwiseOnDemand]: 129/148 looper letters, 583 selfloop transitions, 93 changer transitions 0/694 dead transitions. [2021-03-26 05:22:36,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 694 transitions, 25142 flow [2021-03-26 05:22:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:22:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:22:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 666 transitions. [2021-03-26 05:22:36,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.375 [2021-03-26 05:22:36,079 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 666 transitions. [2021-03-26 05:22:36,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 666 transitions. [2021-03-26 05:22:36,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:36,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 666 transitions. [2021-03-26 05:22:36,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.5) internal successors, (666), 12 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:36,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 148.0) internal successors, (1924), 13 states have internal predecessors, (1924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:36,084 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 148.0) internal successors, (1924), 13 states have internal predecessors, (1924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:36,084 INFO L185 Difference]: Start difference. First operand has 618 places, 669 transitions, 22856 flow. Second operand 12 states and 666 transitions. [2021-03-26 05:22:36,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 694 transitions, 25142 flow [2021-03-26 05:22:37,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 694 transitions, 24493 flow, removed 257 selfloop flow, removed 14 redundant places. [2021-03-26 05:22:37,066 INFO L241 Difference]: Finished difference. Result has 618 places, 677 transitions, 23087 flow [2021-03-26 05:22:37,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=22211, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=23087, PETRI_PLACES=618, PETRI_TRANSITIONS=677} [2021-03-26 05:22:37,066 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 565 predicate places. [2021-03-26 05:22:37,066 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:37,066 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 618 places, 677 transitions, 23087 flow [2021-03-26 05:22:37,066 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 618 places, 677 transitions, 23087 flow [2021-03-26 05:22:37,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 618 places, 677 transitions, 23087 flow [2021-03-26 05:22:37,406 INFO L129 PetriNetUnfolder]: 574/1435 cut-off events. [2021-03-26 05:22:37,406 INFO L130 PetriNetUnfolder]: For 131074/131082 co-relation queries the response was YES. [2021-03-26 05:22:37,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19039 conditions, 1435 events. 574/1435 cut-off events. For 131074/131082 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10547 event pairs, 9 based on Foata normal form. 7/1243 useless extension candidates. Maximal degree in co-relation 18765. Up to 321 conditions per place. [2021-03-26 05:22:37,461 INFO L142 LiptonReduction]: Number of co-enabled transitions 2384 [2021-03-26 05:22:37,512 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:37,512 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:37,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-03-26 05:22:37,513 INFO L480 AbstractCegarLoop]: Abstraction has has 618 places, 677 transitions, 23087 flow [2021-03-26 05:22:37,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:37,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:37,513 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:37,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable275 [2021-03-26 05:22:37,513 INFO L428 AbstractCegarLoop]: === Iteration 277 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:37,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:37,513 INFO L82 PathProgramCache]: Analyzing trace with hash 429078159, now seen corresponding path program 11 times [2021-03-26 05:22:37,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:37,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866128750] [2021-03-26 05:22:37,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:37,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:37,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:37,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:37,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:37,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:37,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:37,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:37,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:37,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:37,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:37,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:37,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:37,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:37,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:37,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:37,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:37,596 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:37,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:37,610 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:37,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:37,626 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:37,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:37,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866128750] [2021-03-26 05:22:37,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:37,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:22:37,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402488430] [2021-03-26 05:22:37,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:22:37,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:37,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:22:37,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:22:37,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 148 [2021-03-26 05:22:37,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 677 transitions, 23087 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:37,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:37,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 148 [2021-03-26 05:22:37,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:38,851 INFO L129 PetriNetUnfolder]: 639/1555 cut-off events. [2021-03-26 05:22:38,851 INFO L130 PetriNetUnfolder]: For 140154/140162 co-relation queries the response was YES. [2021-03-26 05:22:38,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20879 conditions, 1555 events. 639/1555 cut-off events. For 140154/140162 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 11334 event pairs, 12 based on Foata normal form. 10/1344 useless extension candidates. Maximal degree in co-relation 20600. Up to 807 conditions per place. [2021-03-26 05:22:38,888 INFO L132 encePairwiseOnDemand]: 129/148 looper letters, 527 selfloop transitions, 142 changer transitions 11/698 dead transitions. [2021-03-26 05:22:38,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 698 transitions, 25173 flow [2021-03-26 05:22:38,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 05:22:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 05:22:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1114 transitions. [2021-03-26 05:22:38,890 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3584298584298584 [2021-03-26 05:22:38,890 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1114 transitions. [2021-03-26 05:22:38,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1114 transitions. [2021-03-26 05:22:38,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:38,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1114 transitions. [2021-03-26 05:22:38,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 53.04761904761905) internal successors, (1114), 21 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:38,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 148.0) internal successors, (3256), 22 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:38,892 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 148.0) internal successors, (3256), 22 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:38,892 INFO L185 Difference]: Start difference. First operand has 618 places, 677 transitions, 23087 flow. Second operand 21 states and 1114 transitions. [2021-03-26 05:22:38,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 698 transitions, 25173 flow [2021-03-26 05:22:40,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 698 transitions, 24876 flow, removed 134 selfloop flow, removed 6 redundant places. [2021-03-26 05:22:40,097 INFO L241 Difference]: Finished difference. Result has 637 places, 676 transitions, 23193 flow [2021-03-26 05:22:40,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=22794, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=23193, PETRI_PLACES=637, PETRI_TRANSITIONS=676} [2021-03-26 05:22:40,097 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 584 predicate places. [2021-03-26 05:22:40,097 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:40,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 637 places, 676 transitions, 23193 flow [2021-03-26 05:22:40,097 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 637 places, 676 transitions, 23193 flow [2021-03-26 05:22:40,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 634 places, 676 transitions, 23193 flow [2021-03-26 05:22:40,423 INFO L129 PetriNetUnfolder]: 553/1393 cut-off events. [2021-03-26 05:22:40,423 INFO L130 PetriNetUnfolder]: For 129560/129619 co-relation queries the response was YES. [2021-03-26 05:22:40,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18364 conditions, 1393 events. 553/1393 cut-off events. For 129560/129619 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10255 event pairs, 9 based on Foata normal form. 12/1207 useless extension candidates. Maximal degree in co-relation 18084. Up to 308 conditions per place. [2021-03-26 05:22:40,470 INFO L142 LiptonReduction]: Number of co-enabled transitions 2426 [2021-03-26 05:22:40,605 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 05:22:40,605 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:22:40,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 508 [2021-03-26 05:22:40,606 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 676 transitions, 23220 flow [2021-03-26 05:22:40,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:40,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:40,606 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:40,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276 [2021-03-26 05:22:40,606 INFO L428 AbstractCegarLoop]: === Iteration 278 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:40,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1237257338, now seen corresponding path program 28 times [2021-03-26 05:22:40,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:40,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173104909] [2021-03-26 05:22:40,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:40,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:40,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:40,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:40,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:40,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:40,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:40,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:40,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:40,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:40,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:40,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:40,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:40,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:40,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:40,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:40,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:40,700 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:22:40,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:40,714 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:22:40,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:40,730 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:40,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:40,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173104909] [2021-03-26 05:22:40,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:40,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:22:40,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568975899] [2021-03-26 05:22:40,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:22:40,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:40,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:22:40,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:22:40,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 149 [2021-03-26 05:22:40,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 676 transitions, 23220 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:40,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:40,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 149 [2021-03-26 05:22:40,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:41,681 INFO L129 PetriNetUnfolder]: 622/1507 cut-off events. [2021-03-26 05:22:41,681 INFO L130 PetriNetUnfolder]: For 139028/139030 co-relation queries the response was YES. [2021-03-26 05:22:41,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20577 conditions, 1507 events. 622/1507 cut-off events. For 139028/139030 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 10900 event pairs, 14 based on Foata normal form. 3/1303 useless extension candidates. Maximal degree in co-relation 20292. Up to 851 conditions per place. [2021-03-26 05:22:41,724 INFO L132 encePairwiseOnDemand]: 133/149 looper letters, 613 selfloop transitions, 55 changer transitions 2/688 dead transitions. [2021-03-26 05:22:41,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 688 transitions, 24843 flow [2021-03-26 05:22:41,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:22:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:22:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 798 transitions. [2021-03-26 05:22:41,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35704697986577183 [2021-03-26 05:22:41,725 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 798 transitions. [2021-03-26 05:22:41,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 798 transitions. [2021-03-26 05:22:41,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:41,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 798 transitions. [2021-03-26 05:22:41,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.2) internal successors, (798), 15 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:41,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:41,727 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:41,727 INFO L185 Difference]: Start difference. First operand has 634 places, 676 transitions, 23220 flow. Second operand 15 states and 798 transitions. [2021-03-26 05:22:41,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 688 transitions, 24843 flow [2021-03-26 05:22:42,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 633 places, 688 transitions, 24204 flow, removed 230 selfloop flow, removed 15 redundant places. [2021-03-26 05:22:42,854 INFO L241 Difference]: Finished difference. Result has 636 places, 677 transitions, 22790 flow [2021-03-26 05:22:42,855 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=22581, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=676, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=621, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22790, PETRI_PLACES=636, PETRI_TRANSITIONS=677} [2021-03-26 05:22:42,855 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 583 predicate places. [2021-03-26 05:22:42,855 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:42,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 636 places, 677 transitions, 22790 flow [2021-03-26 05:22:42,855 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 636 places, 677 transitions, 22790 flow [2021-03-26 05:22:42,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 635 places, 677 transitions, 22790 flow [2021-03-26 05:22:43,153 INFO L129 PetriNetUnfolder]: 556/1387 cut-off events. [2021-03-26 05:22:43,153 INFO L130 PetriNetUnfolder]: For 128941/129001 co-relation queries the response was YES. [2021-03-26 05:22:43,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18193 conditions, 1387 events. 556/1387 cut-off events. For 128941/129001 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10236 event pairs, 10 based on Foata normal form. 12/1202 useless extension candidates. Maximal degree in co-relation 17910. Up to 310 conditions per place. [2021-03-26 05:22:43,198 INFO L142 LiptonReduction]: Number of co-enabled transitions 2426 [2021-03-26 05:22:43,250 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:43,250 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:43,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 395 [2021-03-26 05:22:43,250 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 677 transitions, 22790 flow [2021-03-26 05:22:43,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:43,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:43,251 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:43,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable277 [2021-03-26 05:22:43,251 INFO L428 AbstractCegarLoop]: === Iteration 279 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:43,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:43,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1174094038, now seen corresponding path program 1 times [2021-03-26 05:22:43,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:43,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818430133] [2021-03-26 05:22:43,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:43,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:43,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:43,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:43,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:43,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:43,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:43,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:43,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:43,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:43,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:43,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:43,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:43,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:22:43,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:43,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:43,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:43,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:43,342 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:43,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:43,356 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:22:43,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:43,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818430133] [2021-03-26 05:22:43,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:43,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:22:43,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764308126] [2021-03-26 05:22:43,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:22:43,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:43,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:22:43,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:22:43,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 149 [2021-03-26 05:22:43,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 677 transitions, 22790 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:43,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:43,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 149 [2021-03-26 05:22:43,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:44,320 INFO L129 PetriNetUnfolder]: 629/1527 cut-off events. [2021-03-26 05:22:44,321 INFO L130 PetriNetUnfolder]: For 132992/133002 co-relation queries the response was YES. [2021-03-26 05:22:44,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20465 conditions, 1527 events. 629/1527 cut-off events. For 132992/133002 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 11091 event pairs, 3 based on Foata normal form. 11/1324 useless extension candidates. Maximal degree in co-relation 20177. Up to 743 conditions per place. [2021-03-26 05:22:44,356 INFO L132 encePairwiseOnDemand]: 131/149 looper letters, 463 selfloop transitions, 202 changer transitions 13/696 dead transitions. [2021-03-26 05:22:44,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 696 transitions, 24797 flow [2021-03-26 05:22:44,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:22:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:22:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 718 transitions. [2021-03-26 05:22:44,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3706763035622096 [2021-03-26 05:22:44,357 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 718 transitions. [2021-03-26 05:22:44,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 718 transitions. [2021-03-26 05:22:44,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:44,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 718 transitions. [2021-03-26 05:22:44,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.23076923076923) internal successors, (718), 13 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:44,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 149.0) internal successors, (2086), 14 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:44,359 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 149.0) internal successors, (2086), 14 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:44,359 INFO L185 Difference]: Start difference. First operand has 635 places, 677 transitions, 22790 flow. Second operand 13 states and 718 transitions. [2021-03-26 05:22:44,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 696 transitions, 24797 flow [2021-03-26 05:22:45,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 696 transitions, 24705 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 05:22:45,421 INFO L241 Difference]: Finished difference. Result has 639 places, 669 transitions, 23046 flow [2021-03-26 05:22:45,422 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=22702, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=23046, PETRI_PLACES=639, PETRI_TRANSITIONS=669} [2021-03-26 05:22:45,422 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 586 predicate places. [2021-03-26 05:22:45,422 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:45,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 639 places, 669 transitions, 23046 flow [2021-03-26 05:22:45,422 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 639 places, 669 transitions, 23046 flow [2021-03-26 05:22:45,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 638 places, 669 transitions, 23046 flow [2021-03-26 05:22:45,744 INFO L129 PetriNetUnfolder]: 561/1398 cut-off events. [2021-03-26 05:22:45,744 INFO L130 PetriNetUnfolder]: For 134056/134063 co-relation queries the response was YES. [2021-03-26 05:22:45,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18961 conditions, 1398 events. 561/1398 cut-off events. For 134056/134063 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10178 event pairs, 14 based on Foata normal form. 6/1211 useless extension candidates. Maximal degree in co-relation 18676. Up to 318 conditions per place. [2021-03-26 05:22:45,796 INFO L142 LiptonReduction]: Number of co-enabled transitions 2362 [2021-03-26 05:22:45,847 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:45,847 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:45,847 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 425 [2021-03-26 05:22:45,848 INFO L480 AbstractCegarLoop]: Abstraction has has 638 places, 669 transitions, 23046 flow [2021-03-26 05:22:45,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:45,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:45,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:45,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable278 [2021-03-26 05:22:45,848 INFO L428 AbstractCegarLoop]: === Iteration 280 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:45,848 INFO L82 PathProgramCache]: Analyzing trace with hash 548279146, now seen corresponding path program 29 times [2021-03-26 05:22:45,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:45,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950946617] [2021-03-26 05:22:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:45,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:45,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:45,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:45,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:45,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:45,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:45,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:45,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:45,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:45,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:45,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:45,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:45,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:45,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:45,932 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:22:45,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:22:45,947 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:45,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:45,963 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:22:45,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:45,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950946617] [2021-03-26 05:22:45,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:45,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:22:45,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617205007] [2021-03-26 05:22:45,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:22:45,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:45,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:22:45,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:22:45,966 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 149 [2021-03-26 05:22:45,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 638 places, 669 transitions, 23046 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:45,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:45,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 149 [2021-03-26 05:22:45,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:46,992 INFO L129 PetriNetUnfolder]: 617/1490 cut-off events. [2021-03-26 05:22:46,992 INFO L130 PetriNetUnfolder]: For 135714/135722 co-relation queries the response was YES. [2021-03-26 05:22:47,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20487 conditions, 1490 events. 617/1490 cut-off events. For 135714/135722 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10713 event pairs, 13 based on Foata normal form. 9/1293 useless extension candidates. Maximal degree in co-relation 20197. Up to 831 conditions per place. [2021-03-26 05:22:47,098 INFO L132 encePairwiseOnDemand]: 132/149 looper letters, 588 selfloop transitions, 75 changer transitions 2/683 dead transitions. [2021-03-26 05:22:47,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 683 transitions, 24647 flow [2021-03-26 05:22:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:22:47,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:22:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 900 transitions. [2021-03-26 05:22:47,100 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35530990919857874 [2021-03-26 05:22:47,100 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 900 transitions. [2021-03-26 05:22:47,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 900 transitions. [2021-03-26 05:22:47,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:47,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 900 transitions. [2021-03-26 05:22:47,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 52.94117647058823) internal successors, (900), 17 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:47,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:47,102 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:47,102 INFO L185 Difference]: Start difference. First operand has 638 places, 669 transitions, 23046 flow. Second operand 17 states and 900 transitions. [2021-03-26 05:22:47,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 683 transitions, 24647 flow [2021-03-26 05:22:48,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 683 transitions, 24273 flow, removed 21 selfloop flow, removed 15 redundant places. [2021-03-26 05:22:48,250 INFO L241 Difference]: Finished difference. Result has 642 places, 671 transitions, 22916 flow [2021-03-26 05:22:48,251 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=22676, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=22916, PETRI_PLACES=642, PETRI_TRANSITIONS=671} [2021-03-26 05:22:48,251 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 589 predicate places. [2021-03-26 05:22:48,251 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:48,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 642 places, 671 transitions, 22916 flow [2021-03-26 05:22:48,251 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 642 places, 671 transitions, 22916 flow [2021-03-26 05:22:48,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 641 places, 671 transitions, 22916 flow [2021-03-26 05:22:48,570 INFO L129 PetriNetUnfolder]: 558/1400 cut-off events. [2021-03-26 05:22:48,570 INFO L130 PetriNetUnfolder]: For 128127/128218 co-relation queries the response was YES. [2021-03-26 05:22:48,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18583 conditions, 1400 events. 558/1400 cut-off events. For 128127/128218 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10317 event pairs, 9 based on Foata normal form. 12/1216 useless extension candidates. Maximal degree in co-relation 18298. Up to 313 conditions per place. [2021-03-26 05:22:48,615 INFO L142 LiptonReduction]: Number of co-enabled transitions 2362 [2021-03-26 05:22:48,665 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:48,665 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:48,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-03-26 05:22:48,665 INFO L480 AbstractCegarLoop]: Abstraction has has 641 places, 671 transitions, 22916 flow [2021-03-26 05:22:48,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:48,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:48,665 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:48,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable279 [2021-03-26 05:22:48,665 INFO L428 AbstractCegarLoop]: === Iteration 281 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:48,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:48,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1625856668, now seen corresponding path program 30 times [2021-03-26 05:22:48,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:48,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202582791] [2021-03-26 05:22:48,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:48,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:48,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:48,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:48,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:48,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:48,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:48,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:48,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:48,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:48,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:48,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:48,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:48,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:48,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:48,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:48,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:48,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:48,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:48,776 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:48,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:48,784 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:48,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:48,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202582791] [2021-03-26 05:22:48,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:48,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:22:48,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324891105] [2021-03-26 05:22:48,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:22:48,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:48,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:22:48,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:22:48,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 149 [2021-03-26 05:22:48,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 641 places, 671 transitions, 22916 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:48,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:48,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 149 [2021-03-26 05:22:48,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:49,672 INFO L129 PetriNetUnfolder]: 615/1484 cut-off events. [2021-03-26 05:22:49,672 INFO L130 PetriNetUnfolder]: For 135474/135476 co-relation queries the response was YES. [2021-03-26 05:22:49,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20300 conditions, 1484 events. 615/1484 cut-off events. For 135474/135476 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10669 event pairs, 13 based on Foata normal form. 3/1283 useless extension candidates. Maximal degree in co-relation 20011. Up to 838 conditions per place. [2021-03-26 05:22:49,709 INFO L132 encePairwiseOnDemand]: 133/149 looper letters, 612 selfloop transitions, 54 changer transitions 0/684 dead transitions. [2021-03-26 05:22:49,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 684 transitions, 24571 flow [2021-03-26 05:22:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:22:49,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:22:49,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 747 transitions. [2021-03-26 05:22:49,710 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3581016299137105 [2021-03-26 05:22:49,710 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 747 transitions. [2021-03-26 05:22:49,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 747 transitions. [2021-03-26 05:22:49,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:49,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 747 transitions. [2021-03-26 05:22:49,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.357142857142854) internal successors, (747), 14 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:49,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:49,712 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:49,712 INFO L185 Difference]: Start difference. First operand has 641 places, 671 transitions, 22916 flow. Second operand 14 states and 747 transitions. [2021-03-26 05:22:49,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 684 transitions, 24571 flow [2021-03-26 05:22:50,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 638 places, 684 transitions, 24270 flow, removed 75 selfloop flow, removed 16 redundant places. [2021-03-26 05:22:50,803 INFO L241 Difference]: Finished difference. Result has 641 places, 675 transitions, 23026 flow [2021-03-26 05:22:50,803 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=22617, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=23026, PETRI_PLACES=641, PETRI_TRANSITIONS=675} [2021-03-26 05:22:50,803 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 588 predicate places. [2021-03-26 05:22:50,803 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:50,803 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 641 places, 675 transitions, 23026 flow [2021-03-26 05:22:50,804 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 641 places, 675 transitions, 23026 flow [2021-03-26 05:22:50,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 641 places, 675 transitions, 23026 flow [2021-03-26 05:22:51,146 INFO L129 PetriNetUnfolder]: 555/1399 cut-off events. [2021-03-26 05:22:51,147 INFO L130 PetriNetUnfolder]: For 127626/127684 co-relation queries the response was YES. [2021-03-26 05:22:51,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18339 conditions, 1399 events. 555/1399 cut-off events. For 127626/127684 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10364 event pairs, 9 based on Foata normal form. 11/1210 useless extension candidates. Maximal degree in co-relation 18053. Up to 309 conditions per place. [2021-03-26 05:22:51,189 INFO L142 LiptonReduction]: Number of co-enabled transitions 2390 [2021-03-26 05:22:51,323 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:22:51,323 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:22:51,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 521 [2021-03-26 05:22:51,324 INFO L480 AbstractCegarLoop]: Abstraction has has 641 places, 675 transitions, 23095 flow [2021-03-26 05:22:51,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:51,324 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:51,324 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:51,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable280 [2021-03-26 05:22:51,324 INFO L428 AbstractCegarLoop]: === Iteration 282 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:51,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:51,324 INFO L82 PathProgramCache]: Analyzing trace with hash 601622266, now seen corresponding path program 1 times [2021-03-26 05:22:51,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:51,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614866617] [2021-03-26 05:22:51,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:51,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:51,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:51,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:51,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:51,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:51,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:51,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:51,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:51,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:51,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:51,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:51,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:51,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:51,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:51,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:51,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:51,412 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:51,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:51,428 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:22:51,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:51,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614866617] [2021-03-26 05:22:51,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:51,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:22:51,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093587664] [2021-03-26 05:22:51,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:22:51,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:51,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:22:51,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:22:51,432 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 150 [2021-03-26 05:22:51,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 641 places, 675 transitions, 23095 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:51,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:51,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 150 [2021-03-26 05:22:51,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:52,403 INFO L129 PetriNetUnfolder]: 617/1494 cut-off events. [2021-03-26 05:22:52,403 INFO L130 PetriNetUnfolder]: For 136436/136438 co-relation queries the response was YES. [2021-03-26 05:22:52,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20297 conditions, 1494 events. 617/1494 cut-off events. For 136436/136438 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10772 event pairs, 11 based on Foata normal form. 3/1290 useless extension candidates. Maximal degree in co-relation 20007. Up to 817 conditions per place. [2021-03-26 05:22:52,439 INFO L132 encePairwiseOnDemand]: 132/150 looper letters, 556 selfloop transitions, 103 changer transitions 6/683 dead transitions. [2021-03-26 05:22:52,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 683 transitions, 24603 flow [2021-03-26 05:22:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:22:52,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:22:52,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 654 transitions. [2021-03-26 05:22:52,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36333333333333334 [2021-03-26 05:22:52,441 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 654 transitions. [2021-03-26 05:22:52,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 654 transitions. [2021-03-26 05:22:52,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:52,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 654 transitions. [2021-03-26 05:22:52,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.5) internal successors, (654), 12 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:52,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 150.0) internal successors, (1950), 13 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:52,442 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 150.0) internal successors, (1950), 13 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:52,442 INFO L185 Difference]: Start difference. First operand has 641 places, 675 transitions, 23095 flow. Second operand 12 states and 654 transitions. [2021-03-26 05:22:52,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 683 transitions, 24603 flow [2021-03-26 05:22:53,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 683 transitions, 24205 flow, removed 152 selfloop flow, removed 10 redundant places. [2021-03-26 05:22:53,564 INFO L241 Difference]: Finished difference. Result has 644 places, 670 transitions, 22857 flow [2021-03-26 05:22:53,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=22697, PETRI_DIFFERENCE_MINUEND_PLACES=631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=675, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=22857, PETRI_PLACES=644, PETRI_TRANSITIONS=670} [2021-03-26 05:22:53,564 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 591 predicate places. [2021-03-26 05:22:53,564 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:53,565 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 670 transitions, 22857 flow [2021-03-26 05:22:53,565 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 670 transitions, 22857 flow [2021-03-26 05:22:53,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 670 transitions, 22857 flow [2021-03-26 05:22:53,874 INFO L129 PetriNetUnfolder]: 553/1392 cut-off events. [2021-03-26 05:22:53,875 INFO L130 PetriNetUnfolder]: For 126674/126730 co-relation queries the response was YES. [2021-03-26 05:22:53,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18269 conditions, 1392 events. 553/1392 cut-off events. For 126674/126730 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10268 event pairs, 13 based on Foata normal form. 11/1204 useless extension candidates. Maximal degree in co-relation 17981. Up to 302 conditions per place. [2021-03-26 05:22:53,922 INFO L142 LiptonReduction]: Number of co-enabled transitions 2352 [2021-03-26 05:22:53,973 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:53,973 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:53,973 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 409 [2021-03-26 05:22:53,973 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 670 transitions, 22857 flow [2021-03-26 05:22:53,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:53,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:53,974 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:53,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable281 [2021-03-26 05:22:53,974 INFO L428 AbstractCegarLoop]: === Iteration 283 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:53,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:53,974 INFO L82 PathProgramCache]: Analyzing trace with hash -577584130, now seen corresponding path program 31 times [2021-03-26 05:22:53,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:53,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262214231] [2021-03-26 05:22:53,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:53,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:53,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:53,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:53,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:53,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:53,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:54,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:54,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:54,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:54,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:54,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:54,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:54,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:54,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:54,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:54,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:54,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:54,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:54,070 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:54,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:54,077 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:54,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:54,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262214231] [2021-03-26 05:22:54,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:54,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:22:54,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307212593] [2021-03-26 05:22:54,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:22:54,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:54,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:22:54,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:22:54,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 150 [2021-03-26 05:22:54,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 670 transitions, 22857 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:54,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:54,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 150 [2021-03-26 05:22:54,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:54,975 INFO L129 PetriNetUnfolder]: 614/1486 cut-off events. [2021-03-26 05:22:54,976 INFO L130 PetriNetUnfolder]: For 135615/135623 co-relation queries the response was YES. [2021-03-26 05:22:55,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20211 conditions, 1486 events. 614/1486 cut-off events. For 135615/135623 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 10642 event pairs, 12 based on Foata normal form. 9/1290 useless extension candidates. Maximal degree in co-relation 19919. Up to 836 conditions per place. [2021-03-26 05:22:55,010 INFO L132 encePairwiseOnDemand]: 133/150 looper letters, 605 selfloop transitions, 60 changer transitions 0/683 dead transitions. [2021-03-26 05:22:55,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 683 transitions, 24432 flow [2021-03-26 05:22:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:22:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:22:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 799 transitions. [2021-03-26 05:22:55,011 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3551111111111111 [2021-03-26 05:22:55,011 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 799 transitions. [2021-03-26 05:22:55,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 799 transitions. [2021-03-26 05:22:55,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:55,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 799 transitions. [2021-03-26 05:22:55,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.266666666666666) internal successors, (799), 15 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:55,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 150.0) internal successors, (2400), 16 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:55,013 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 150.0) internal successors, (2400), 16 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:55,013 INFO L185 Difference]: Start difference. First operand has 640 places, 670 transitions, 22857 flow. Second operand 15 states and 799 transitions. [2021-03-26 05:22:55,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 683 transitions, 24432 flow [2021-03-26 05:22:56,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 683 transitions, 24120 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 05:22:56,150 INFO L241 Difference]: Finished difference. Result has 645 places, 673 transitions, 22892 flow [2021-03-26 05:22:56,150 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=22547, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=670, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=610, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22892, PETRI_PLACES=645, PETRI_TRANSITIONS=673} [2021-03-26 05:22:56,151 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 592 predicate places. [2021-03-26 05:22:56,151 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:56,151 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 645 places, 673 transitions, 22892 flow [2021-03-26 05:22:56,151 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 645 places, 673 transitions, 22892 flow [2021-03-26 05:22:56,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 645 places, 673 transitions, 22892 flow [2021-03-26 05:22:56,458 INFO L129 PetriNetUnfolder]: 559/1410 cut-off events. [2021-03-26 05:22:56,458 INFO L130 PetriNetUnfolder]: For 128498/128551 co-relation queries the response was YES. [2021-03-26 05:22:56,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18360 conditions, 1410 events. 559/1410 cut-off events. For 128498/128551 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10444 event pairs, 12 based on Foata normal form. 6/1212 useless extension candidates. Maximal degree in co-relation 18072. Up to 305 conditions per place. [2021-03-26 05:22:56,510 INFO L142 LiptonReduction]: Number of co-enabled transitions 2376 [2021-03-26 05:22:56,562 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:22:56,562 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:22:56,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 411 [2021-03-26 05:22:56,562 INFO L480 AbstractCegarLoop]: Abstraction has has 645 places, 673 transitions, 22892 flow [2021-03-26 05:22:56,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:56,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:56,563 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:56,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable282 [2021-03-26 05:22:56,563 INFO L428 AbstractCegarLoop]: === Iteration 284 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:56,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:56,563 INFO L82 PathProgramCache]: Analyzing trace with hash 173241055, now seen corresponding path program 1 times [2021-03-26 05:22:56,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:56,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61373962] [2021-03-26 05:22:56,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:56,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:56,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:56,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:56,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:56,580 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:22:56,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:56,586 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:22:56,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:56,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:56,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:22:56,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:56,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:56,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:56,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:56,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:56,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:56,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:56,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:56,667 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:56,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61373962] [2021-03-26 05:22:56,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:56,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:22:56,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978732483] [2021-03-26 05:22:56,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:22:56,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:56,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:22:56,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:22:56,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 150 [2021-03-26 05:22:56,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 673 transitions, 22892 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:56,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:56,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 150 [2021-03-26 05:22:56,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:22:57,614 INFO L129 PetriNetUnfolder]: 618/1502 cut-off events. [2021-03-26 05:22:57,615 INFO L130 PetriNetUnfolder]: For 137103/137105 co-relation queries the response was YES. [2021-03-26 05:22:57,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20243 conditions, 1502 events. 618/1502 cut-off events. For 137103/137105 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 10853 event pairs, 11 based on Foata normal form. 3/1296 useless extension candidates. Maximal degree in co-relation 19951. Up to 806 conditions per place. [2021-03-26 05:22:57,652 INFO L132 encePairwiseOnDemand]: 132/150 looper letters, 574 selfloop transitions, 96 changer transitions 0/688 dead transitions. [2021-03-26 05:22:57,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 688 transitions, 24597 flow [2021-03-26 05:22:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:22:57,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:22:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 759 transitions. [2021-03-26 05:22:57,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36142857142857143 [2021-03-26 05:22:57,653 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 759 transitions. [2021-03-26 05:22:57,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 759 transitions. [2021-03-26 05:22:57,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:22:57,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 759 transitions. [2021-03-26 05:22:57,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.214285714285715) internal successors, (759), 14 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:57,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 150.0) internal successors, (2250), 15 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:57,655 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 150.0) internal successors, (2250), 15 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:57,655 INFO L185 Difference]: Start difference. First operand has 645 places, 673 transitions, 22892 flow. Second operand 14 states and 759 transitions. [2021-03-26 05:22:57,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 688 transitions, 24597 flow [2021-03-26 05:22:58,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 688 transitions, 24336 flow, removed 75 selfloop flow, removed 12 redundant places. [2021-03-26 05:22:58,799 INFO L241 Difference]: Finished difference. Result has 649 places, 677 transitions, 23176 flow [2021-03-26 05:22:58,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=22631, PETRI_DIFFERENCE_MINUEND_PLACES=633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=673, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=23176, PETRI_PLACES=649, PETRI_TRANSITIONS=677} [2021-03-26 05:22:58,799 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 596 predicate places. [2021-03-26 05:22:58,799 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:22:58,799 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 649 places, 677 transitions, 23176 flow [2021-03-26 05:22:58,800 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 649 places, 677 transitions, 23176 flow [2021-03-26 05:22:58,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 649 places, 677 transitions, 23176 flow [2021-03-26 05:22:59,125 INFO L129 PetriNetUnfolder]: 551/1402 cut-off events. [2021-03-26 05:22:59,125 INFO L130 PetriNetUnfolder]: For 127134/127229 co-relation queries the response was YES. [2021-03-26 05:22:59,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18212 conditions, 1402 events. 551/1402 cut-off events. For 127134/127229 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10442 event pairs, 7 based on Foata normal form. 15/1215 useless extension candidates. Maximal degree in co-relation 17921. Up to 302 conditions per place. [2021-03-26 05:22:59,176 INFO L142 LiptonReduction]: Number of co-enabled transitions 2404 [2021-03-26 05:22:59,324 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:22:59,324 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:22:59,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 525 [2021-03-26 05:22:59,324 INFO L480 AbstractCegarLoop]: Abstraction has has 649 places, 677 transitions, 23247 flow [2021-03-26 05:22:59,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:59,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:22:59,325 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:22:59,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283 [2021-03-26 05:22:59,325 INFO L428 AbstractCegarLoop]: === Iteration 285 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:22:59,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:22:59,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1265905920, now seen corresponding path program 32 times [2021-03-26 05:22:59,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:22:59,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886661228] [2021-03-26 05:22:59,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:22:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:22:59,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:59,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:22:59,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:59,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:59,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:59,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:22:59,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:59,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:59,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:59,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:59,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:59,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:59,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:59,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:59,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:59,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:59,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:22:59,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:22:59,419 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:22:59,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:22:59,435 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:22:59,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:22:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:22:59,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886661228] [2021-03-26 05:22:59,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:22:59,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:22:59,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027852060] [2021-03-26 05:22:59,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:22:59,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:22:59,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:22:59,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:22:59,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 151 [2021-03-26 05:22:59,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 677 transitions, 23247 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:22:59,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:22:59,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 151 [2021-03-26 05:22:59,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:00,455 INFO L129 PetriNetUnfolder]: 620/1512 cut-off events. [2021-03-26 05:23:00,456 INFO L130 PetriNetUnfolder]: For 138354/138364 co-relation queries the response was YES. [2021-03-26 05:23:00,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20408 conditions, 1512 events. 620/1512 cut-off events. For 138354/138364 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10979 event pairs, 4 based on Foata normal form. 11/1311 useless extension candidates. Maximal degree in co-relation 20113. Up to 830 conditions per place. [2021-03-26 05:23:00,492 INFO L132 encePairwiseOnDemand]: 134/151 looper letters, 596 selfloop transitions, 76 changer transitions 0/690 dead transitions. [2021-03-26 05:23:00,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 690 transitions, 24833 flow [2021-03-26 05:23:00,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 05:23:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 05:23:00,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 952 transitions. [2021-03-26 05:23:00,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3502575423105224 [2021-03-26 05:23:00,494 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 952 transitions. [2021-03-26 05:23:00,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 952 transitions. [2021-03-26 05:23:00,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:00,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 952 transitions. [2021-03-26 05:23:00,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 52.888888888888886) internal successors, (952), 18 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:00,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 151.0) internal successors, (2869), 19 states have internal predecessors, (2869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:00,496 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 151.0) internal successors, (2869), 19 states have internal predecessors, (2869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:00,496 INFO L185 Difference]: Start difference. First operand has 649 places, 677 transitions, 23247 flow. Second operand 18 states and 952 transitions. [2021-03-26 05:23:00,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 690 transitions, 24833 flow [2021-03-26 05:23:01,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 690 transitions, 24315 flow, removed 163 selfloop flow, removed 12 redundant places. [2021-03-26 05:23:01,723 INFO L241 Difference]: Finished difference. Result has 657 places, 679 transitions, 23111 flow [2021-03-26 05:23:01,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=22729, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=23111, PETRI_PLACES=657, PETRI_TRANSITIONS=679} [2021-03-26 05:23:01,724 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 604 predicate places. [2021-03-26 05:23:01,724 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:01,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 657 places, 679 transitions, 23111 flow [2021-03-26 05:23:01,724 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 657 places, 679 transitions, 23111 flow [2021-03-26 05:23:01,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 679 transitions, 23111 flow [2021-03-26 05:23:02,068 INFO L129 PetriNetUnfolder]: 573/1443 cut-off events. [2021-03-26 05:23:02,068 INFO L130 PetriNetUnfolder]: For 141976/141983 co-relation queries the response was YES. [2021-03-26 05:23:02,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18783 conditions, 1443 events. 573/1443 cut-off events. For 141976/141983 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 10771 event pairs, 9 based on Foata normal form. 1/1239 useless extension candidates. Maximal degree in co-relation 18490. Up to 312 conditions per place. [2021-03-26 05:23:02,119 INFO L142 LiptonReduction]: Number of co-enabled transitions 2424 [2021-03-26 05:23:02,261 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:02,262 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:23:02,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 538 [2021-03-26 05:23:02,262 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 679 transitions, 23121 flow [2021-03-26 05:23:02,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:02,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:02,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:02,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable284 [2021-03-26 05:23:02,262 INFO L428 AbstractCegarLoop]: === Iteration 286 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:02,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:02,262 INFO L82 PathProgramCache]: Analyzing trace with hash -2072622277, now seen corresponding path program 2 times [2021-03-26 05:23:02,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:02,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571082171] [2021-03-26 05:23:02,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:02,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:02,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:02,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:02,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:02,281 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:23:02,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:02,288 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:23:02,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:02,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:23:02,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:02,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:02,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:02,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:02,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:02,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:02,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:02,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:02,360 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:02,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:02,368 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:02,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:02,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571082171] [2021-03-26 05:23:02,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:02,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:23:02,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994853168] [2021-03-26 05:23:02,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:23:02,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:02,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:23:02,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:23:02,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 05:23:02,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 679 transitions, 23121 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:02,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:02,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 05:23:02,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:03,368 INFO L129 PetriNetUnfolder]: 625/1533 cut-off events. [2021-03-26 05:23:03,369 INFO L130 PetriNetUnfolder]: For 138146/138150 co-relation queries the response was YES. [2021-03-26 05:23:03,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20410 conditions, 1533 events. 625/1533 cut-off events. For 138146/138150 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 11260 event pairs, 3 based on Foata normal form. 5/1321 useless extension candidates. Maximal degree in co-relation 20113. Up to 835 conditions per place. [2021-03-26 05:23:03,405 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 594 selfloop transitions, 82 changer transitions 0/694 dead transitions. [2021-03-26 05:23:03,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 694 transitions, 24810 flow [2021-03-26 05:23:03,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:23:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:23:03,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 856 transitions. [2021-03-26 05:23:03,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3519736842105263 [2021-03-26 05:23:03,406 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 856 transitions. [2021-03-26 05:23:03,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 856 transitions. [2021-03-26 05:23:03,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:03,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 856 transitions. [2021-03-26 05:23:03,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.5) internal successors, (856), 16 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:03,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:03,408 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:03,408 INFO L185 Difference]: Start difference. First operand has 657 places, 679 transitions, 23121 flow. Second operand 16 states and 856 transitions. [2021-03-26 05:23:03,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 694 transitions, 24810 flow [2021-03-26 05:23:04,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 694 transitions, 24535 flow, removed 77 selfloop flow, removed 14 redundant places. [2021-03-26 05:23:04,617 INFO L241 Difference]: Finished difference. Result has 663 places, 684 transitions, 23338 flow [2021-03-26 05:23:04,617 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=22848, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=597, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23338, PETRI_PLACES=663, PETRI_TRANSITIONS=684} [2021-03-26 05:23:04,617 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 610 predicate places. [2021-03-26 05:23:04,617 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:04,617 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 684 transitions, 23338 flow [2021-03-26 05:23:04,617 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 684 transitions, 23338 flow [2021-03-26 05:23:04,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 684 transitions, 23338 flow [2021-03-26 05:23:04,958 INFO L129 PetriNetUnfolder]: 578/1469 cut-off events. [2021-03-26 05:23:04,958 INFO L130 PetriNetUnfolder]: For 134842/134853 co-relation queries the response was YES. [2021-03-26 05:23:04,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18815 conditions, 1469 events. 578/1469 cut-off events. For 134842/134853 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 11023 event pairs, 10 based on Foata normal form. 8/1263 useless extension candidates. Maximal degree in co-relation 18519. Up to 307 conditions per place. [2021-03-26 05:23:05,013 INFO L142 LiptonReduction]: Number of co-enabled transitions 2462 [2021-03-26 05:23:05,066 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:05,066 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:05,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 449 [2021-03-26 05:23:05,067 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 684 transitions, 23338 flow [2021-03-26 05:23:05,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:05,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:05,067 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:05,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285 [2021-03-26 05:23:05,067 INFO L428 AbstractCegarLoop]: === Iteration 287 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:05,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:05,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1480637396, now seen corresponding path program 1 times [2021-03-26 05:23:05,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:05,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731152545] [2021-03-26 05:23:05,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:05,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:05,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:05,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:05,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:05,083 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:23:05,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:05,090 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:23:05,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:05,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:05,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:23:05,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:05,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:05,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:05,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:05,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:05,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:05,145 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:23:05,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:05,159 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:05,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:05,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731152545] [2021-03-26 05:23:05,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:05,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:23:05,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314171746] [2021-03-26 05:23:05,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:23:05,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:05,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:23:05,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:23:05,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 05:23:05,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 684 transitions, 23338 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:05,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:05,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 05:23:05,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:05,918 INFO L129 PetriNetUnfolder]: 627/1540 cut-off events. [2021-03-26 05:23:05,918 INFO L130 PetriNetUnfolder]: For 137544/137546 co-relation queries the response was YES. [2021-03-26 05:23:05,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20412 conditions, 1540 events. 627/1540 cut-off events. For 137544/137546 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 11289 event pairs, 12 based on Foata normal form. 3/1324 useless extension candidates. Maximal degree in co-relation 20111. Up to 866 conditions per place. [2021-03-26 05:23:05,957 INFO L132 encePairwiseOnDemand]: 136/152 looper letters, 638 selfloop transitions, 28 changer transitions 7/691 dead transitions. [2021-03-26 05:23:05,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 691 transitions, 24745 flow [2021-03-26 05:23:05,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:23:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:23:05,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 729 transitions. [2021-03-26 05:23:05,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3425751879699248 [2021-03-26 05:23:05,959 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 729 transitions. [2021-03-26 05:23:05,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 729 transitions. [2021-03-26 05:23:05,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:05,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 729 transitions. [2021-03-26 05:23:05,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.07142857142857) internal successors, (729), 14 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:05,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:05,961 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:05,961 INFO L185 Difference]: Start difference. First operand has 663 places, 684 transitions, 23338 flow. Second operand 14 states and 729 transitions. [2021-03-26 05:23:05,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 691 transitions, 24745 flow [2021-03-26 05:23:07,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 691 transitions, 24289 flow, removed 166 selfloop flow, removed 10 redundant places. [2021-03-26 05:23:07,130 INFO L241 Difference]: Finished difference. Result has 668 places, 678 transitions, 22834 flow [2021-03-26 05:23:07,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=22882, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22834, PETRI_PLACES=668, PETRI_TRANSITIONS=678} [2021-03-26 05:23:07,131 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 615 predicate places. [2021-03-26 05:23:07,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:07,131 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 668 places, 678 transitions, 22834 flow [2021-03-26 05:23:07,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 668 places, 678 transitions, 22834 flow [2021-03-26 05:23:07,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 678 transitions, 22834 flow [2021-03-26 05:23:07,461 INFO L129 PetriNetUnfolder]: 574/1452 cut-off events. [2021-03-26 05:23:07,461 INFO L130 PetriNetUnfolder]: For 127759/127761 co-relation queries the response was YES. [2021-03-26 05:23:07,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18753 conditions, 1452 events. 574/1452 cut-off events. For 127759/127761 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10806 event pairs, 9 based on Foata normal form. 1/1247 useless extension candidates. Maximal degree in co-relation 18465. Up to 311 conditions per place. [2021-03-26 05:23:07,515 INFO L142 LiptonReduction]: Number of co-enabled transitions 2430 [2021-03-26 05:23:07,567 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:07,568 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:07,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 437 [2021-03-26 05:23:07,568 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 678 transitions, 22834 flow [2021-03-26 05:23:07,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:07,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:07,568 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:07,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286 [2021-03-26 05:23:07,568 INFO L428 AbstractCegarLoop]: === Iteration 288 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:07,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:07,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1097782232, now seen corresponding path program 33 times [2021-03-26 05:23:07,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:07,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863980251] [2021-03-26 05:23:07,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:07,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:07,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:07,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:07,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:07,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:07,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:07,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:07,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:07,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:07,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:07,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:07,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:07,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:07,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:07,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:07,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:07,648 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:23:07,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:07,663 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:23:07,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:07,693 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:07,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:07,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863980251] [2021-03-26 05:23:07,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:07,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:07,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614582777] [2021-03-26 05:23:07,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:07,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:07,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:07,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:07,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 05:23:07,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 678 transitions, 22834 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:07,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:07,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 05:23:07,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:08,781 INFO L129 PetriNetUnfolder]: 627/1534 cut-off events. [2021-03-26 05:23:08,781 INFO L130 PetriNetUnfolder]: For 137528/137530 co-relation queries the response was YES. [2021-03-26 05:23:08,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20464 conditions, 1534 events. 627/1534 cut-off events. For 137528/137530 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11215 event pairs, 12 based on Foata normal form. 3/1319 useless extension candidates. Maximal degree in co-relation 20174. Up to 779 conditions per place. [2021-03-26 05:23:08,810 INFO L132 encePairwiseOnDemand]: 133/152 looper letters, 551 selfloop transitions, 127 changer transitions 0/696 dead transitions. [2021-03-26 05:23:08,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 696 transitions, 24794 flow [2021-03-26 05:23:08,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:23:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:23:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 863 transitions. [2021-03-26 05:23:08,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3548519736842105 [2021-03-26 05:23:08,812 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 863 transitions. [2021-03-26 05:23:08,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 863 transitions. [2021-03-26 05:23:08,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:08,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 863 transitions. [2021-03-26 05:23:08,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.9375) internal successors, (863), 16 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:08,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:08,813 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:08,813 INFO L185 Difference]: Start difference. First operand has 661 places, 678 transitions, 22834 flow. Second operand 16 states and 863 transitions. [2021-03-26 05:23:08,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 696 transitions, 24794 flow [2021-03-26 05:23:09,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 696 transitions, 24649 flow, removed 8 selfloop flow, removed 14 redundant places. [2021-03-26 05:23:09,957 INFO L241 Difference]: Finished difference. Result has 665 places, 683 transitions, 23488 flow [2021-03-26 05:23:09,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=22695, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23488, PETRI_PLACES=665, PETRI_TRANSITIONS=683} [2021-03-26 05:23:09,957 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 612 predicate places. [2021-03-26 05:23:09,957 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:09,957 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 665 places, 683 transitions, 23488 flow [2021-03-26 05:23:09,957 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 665 places, 683 transitions, 23488 flow [2021-03-26 05:23:09,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 665 places, 683 transitions, 23488 flow [2021-03-26 05:23:10,300 INFO L129 PetriNetUnfolder]: 581/1478 cut-off events. [2021-03-26 05:23:10,300 INFO L130 PetriNetUnfolder]: For 140387/140390 co-relation queries the response was YES. [2021-03-26 05:23:10,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19169 conditions, 1478 events. 581/1478 cut-off events. For 140387/140390 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 11082 event pairs, 7 based on Foata normal form. 2/1265 useless extension candidates. Maximal degree in co-relation 18872. Up to 315 conditions per place. [2021-03-26 05:23:10,354 INFO L142 LiptonReduction]: Number of co-enabled transitions 2468 [2021-03-26 05:23:10,405 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:10,405 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:10,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 448 [2021-03-26 05:23:10,405 INFO L480 AbstractCegarLoop]: Abstraction has has 665 places, 683 transitions, 23488 flow [2021-03-26 05:23:10,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:10,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:10,405 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:10,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable287 [2021-03-26 05:23:10,406 INFO L428 AbstractCegarLoop]: === Iteration 289 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:10,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:10,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1846440956, now seen corresponding path program 34 times [2021-03-26 05:23:10,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:10,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742258614] [2021-03-26 05:23:10,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:10,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:10,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:10,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:10,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:10,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:10,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:10,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:10,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:10,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:10,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:10,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:10,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:10,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:10,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:10,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:10,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:10,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:10,497 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:10,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:10,512 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:10,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:10,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742258614] [2021-03-26 05:23:10,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:10,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:10,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685144376] [2021-03-26 05:23:10,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:10,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:10,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:10,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:10,515 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 05:23:10,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 683 transitions, 23488 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:10,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:10,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 05:23:10,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:11,621 INFO L129 PetriNetUnfolder]: 631/1551 cut-off events. [2021-03-26 05:23:11,621 INFO L130 PetriNetUnfolder]: For 142043/142047 co-relation queries the response was YES. [2021-03-26 05:23:11,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20808 conditions, 1551 events. 631/1551 cut-off events. For 142043/142047 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 11388 event pairs, 6 based on Foata normal form. 5/1334 useless extension candidates. Maximal degree in co-relation 20507. Up to 824 conditions per place. [2021-03-26 05:23:11,658 INFO L132 encePairwiseOnDemand]: 135/152 looper letters, 579 selfloop transitions, 100 changer transitions 0/697 dead transitions. [2021-03-26 05:23:11,659 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 697 transitions, 25281 flow [2021-03-26 05:23:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 05:23:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 05:23:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 959 transitions. [2021-03-26 05:23:11,660 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3505116959064328 [2021-03-26 05:23:11,660 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 959 transitions. [2021-03-26 05:23:11,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 959 transitions. [2021-03-26 05:23:11,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:11,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 959 transitions. [2021-03-26 05:23:11,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 53.27777777777778) internal successors, (959), 18 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:11,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 152.0) internal successors, (2888), 19 states have internal predecessors, (2888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:11,662 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 152.0) internal successors, (2888), 19 states have internal predecessors, (2888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:11,662 INFO L185 Difference]: Start difference. First operand has 665 places, 683 transitions, 23488 flow. Second operand 18 states and 959 transitions. [2021-03-26 05:23:11,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 697 transitions, 25281 flow [2021-03-26 05:23:12,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 671 places, 697 transitions, 24719 flow, removed 222 selfloop flow, removed 11 redundant places. [2021-03-26 05:23:12,980 INFO L241 Difference]: Finished difference. Result has 674 places, 686 transitions, 23557 flow [2021-03-26 05:23:12,980 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=23066, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=23557, PETRI_PLACES=674, PETRI_TRANSITIONS=686} [2021-03-26 05:23:12,980 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 621 predicate places. [2021-03-26 05:23:12,980 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:12,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 674 places, 686 transitions, 23557 flow [2021-03-26 05:23:12,981 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 674 places, 686 transitions, 23557 flow [2021-03-26 05:23:12,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 674 places, 686 transitions, 23557 flow [2021-03-26 05:23:13,301 INFO L129 PetriNetUnfolder]: 567/1454 cut-off events. [2021-03-26 05:23:13,302 INFO L130 PetriNetUnfolder]: For 127657/127714 co-relation queries the response was YES. [2021-03-26 05:23:13,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18552 conditions, 1454 events. 567/1454 cut-off events. For 127657/127714 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 11009 event pairs, 6 based on Foata normal form. 12/1250 useless extension candidates. Maximal degree in co-relation 18251. Up to 302 conditions per place. [2021-03-26 05:23:13,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 2492 [2021-03-26 05:23:13,409 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:13,409 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:13,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-03-26 05:23:13,410 INFO L480 AbstractCegarLoop]: Abstraction has has 674 places, 686 transitions, 23557 flow [2021-03-26 05:23:13,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:13,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:13,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:13,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable288 [2021-03-26 05:23:13,410 INFO L428 AbstractCegarLoop]: === Iteration 290 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:13,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:13,410 INFO L82 PathProgramCache]: Analyzing trace with hash 559761563, now seen corresponding path program 3 times [2021-03-26 05:23:13,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:13,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106479128] [2021-03-26 05:23:13,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:13,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:13,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:13,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:13,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:13,427 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:23:13,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:13,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:23:13,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:13,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:13,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:23:13,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:13,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:13,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:13,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:13,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:13,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:13,491 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:13,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:13,499 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:13,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:13,513 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:13,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:13,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106479128] [2021-03-26 05:23:13,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:13,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:23:13,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359717935] [2021-03-26 05:23:13,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:23:13,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:13,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:23:13,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:23:13,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 05:23:13,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 686 transitions, 23557 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:13,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:13,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 05:23:13,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:14,542 INFO L129 PetriNetUnfolder]: 635/1568 cut-off events. [2021-03-26 05:23:14,542 INFO L130 PetriNetUnfolder]: For 141767/141769 co-relation queries the response was YES. [2021-03-26 05:23:14,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20950 conditions, 1568 events. 635/1568 cut-off events. For 141767/141769 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 11523 event pairs, 14 based on Foata normal form. 3/1346 useless extension candidates. Maximal degree in co-relation 20645. Up to 827 conditions per place. [2021-03-26 05:23:14,581 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 595 selfloop transitions, 91 changer transitions 0/704 dead transitions. [2021-03-26 05:23:14,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 704 transitions, 25473 flow [2021-03-26 05:23:14,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:23:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:23:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 765 transitions. [2021-03-26 05:23:14,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35949248120300753 [2021-03-26 05:23:14,583 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 765 transitions. [2021-03-26 05:23:14,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 765 transitions. [2021-03-26 05:23:14,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:14,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 765 transitions. [2021-03-26 05:23:14,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.642857142857146) internal successors, (765), 14 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:14,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:14,584 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:14,584 INFO L185 Difference]: Start difference. First operand has 674 places, 686 transitions, 23557 flow. Second operand 14 states and 765 transitions. [2021-03-26 05:23:14,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 687 places, 704 transitions, 25473 flow [2021-03-26 05:23:15,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 704 transitions, 25234 flow, removed 51 selfloop flow, removed 12 redundant places. [2021-03-26 05:23:15,838 INFO L241 Difference]: Finished difference. Result has 678 places, 691 transitions, 23954 flow [2021-03-26 05:23:15,838 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=23318, PETRI_DIFFERENCE_MINUEND_PLACES=662, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=597, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=23954, PETRI_PLACES=678, PETRI_TRANSITIONS=691} [2021-03-26 05:23:15,838 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 625 predicate places. [2021-03-26 05:23:15,838 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:15,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 678 places, 691 transitions, 23954 flow [2021-03-26 05:23:15,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 678 places, 691 transitions, 23954 flow [2021-03-26 05:23:15,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 678 places, 691 transitions, 23954 flow [2021-03-26 05:23:16,231 INFO L129 PetriNetUnfolder]: 576/1481 cut-off events. [2021-03-26 05:23:16,232 INFO L130 PetriNetUnfolder]: For 137190/137247 co-relation queries the response was YES. [2021-03-26 05:23:16,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19076 conditions, 1481 events. 576/1481 cut-off events. For 137190/137247 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11246 event pairs, 7 based on Foata normal form. 8/1267 useless extension candidates. Maximal degree in co-relation 18772. Up to 307 conditions per place. [2021-03-26 05:23:16,283 INFO L142 LiptonReduction]: Number of co-enabled transitions 2542 [2021-03-26 05:23:16,334 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:16,334 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:16,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 496 [2021-03-26 05:23:16,334 INFO L480 AbstractCegarLoop]: Abstraction has has 678 places, 691 transitions, 23954 flow [2021-03-26 05:23:16,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:16,334 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:16,334 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:16,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable289 [2021-03-26 05:23:16,335 INFO L428 AbstractCegarLoop]: === Iteration 291 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:16,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:16,335 INFO L82 PathProgramCache]: Analyzing trace with hash -993930102, now seen corresponding path program 8 times [2021-03-26 05:23:16,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:16,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176313956] [2021-03-26 05:23:16,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:16,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:16,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:16,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:16,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:16,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:16,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:16,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:16,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:16,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:16,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:16,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:16,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:16,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:16,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:16,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:16,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:16,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:16,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:16,417 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:16,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:16,431 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:16,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:16,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176313956] [2021-03-26 05:23:16,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:16,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:23:16,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795750824] [2021-03-26 05:23:16,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:23:16,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:16,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:23:16,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:23:16,434 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 05:23:16,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 691 transitions, 23954 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:16,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:16,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 05:23:16,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:17,298 INFO L129 PetriNetUnfolder]: 633/1567 cut-off events. [2021-03-26 05:23:17,299 INFO L130 PetriNetUnfolder]: For 145011/145017 co-relation queries the response was YES. [2021-03-26 05:23:17,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21034 conditions, 1567 events. 633/1567 cut-off events. For 145011/145017 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 11612 event pairs, 7 based on Foata normal form. 7/1350 useless extension candidates. Maximal degree in co-relation 20726. Up to 860 conditions per place. [2021-03-26 05:23:17,338 INFO L132 encePairwiseOnDemand]: 137/152 looper letters, 628 selfloop transitions, 44 changer transitions 8/698 dead transitions. [2021-03-26 05:23:17,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 688 places, 698 transitions, 25356 flow [2021-03-26 05:23:17,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:23:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:23:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 593 transitions. [2021-03-26 05:23:17,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3546650717703349 [2021-03-26 05:23:17,340 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 593 transitions. [2021-03-26 05:23:17,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 593 transitions. [2021-03-26 05:23:17,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:17,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 593 transitions. [2021-03-26 05:23:17,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.90909090909091) internal successors, (593), 11 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:17,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 152.0) internal successors, (1824), 12 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:17,341 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 152.0) internal successors, (1824), 12 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:17,341 INFO L185 Difference]: Start difference. First operand has 678 places, 691 transitions, 23954 flow. Second operand 11 states and 593 transitions. [2021-03-26 05:23:17,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 688 places, 698 transitions, 25356 flow [2021-03-26 05:23:18,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 680 places, 698 transitions, 24981 flow, removed 149 selfloop flow, removed 8 redundant places. [2021-03-26 05:23:18,677 INFO L241 Difference]: Finished difference. Result has 681 places, 684 transitions, 23528 flow [2021-03-26 05:23:18,677 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=23579, PETRI_DIFFERENCE_MINUEND_PLACES=670, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=691, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=647, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23528, PETRI_PLACES=681, PETRI_TRANSITIONS=684} [2021-03-26 05:23:18,677 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 628 predicate places. [2021-03-26 05:23:18,677 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:18,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 681 places, 684 transitions, 23528 flow [2021-03-26 05:23:18,678 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 681 places, 684 transitions, 23528 flow [2021-03-26 05:23:18,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 675 places, 684 transitions, 23528 flow [2021-03-26 05:23:19,028 INFO L129 PetriNetUnfolder]: 589/1502 cut-off events. [2021-03-26 05:23:19,028 INFO L130 PetriNetUnfolder]: For 134572/134575 co-relation queries the response was YES. [2021-03-26 05:23:19,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19280 conditions, 1502 events. 589/1502 cut-off events. For 134572/134575 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11379 event pairs, 10 based on Foata normal form. 2/1280 useless extension candidates. Maximal degree in co-relation 18974. Up to 313 conditions per place. [2021-03-26 05:23:19,085 INFO L142 LiptonReduction]: Number of co-enabled transitions 2478 [2021-03-26 05:23:19,137 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:19,137 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:19,137 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-26 05:23:19,138 INFO L480 AbstractCegarLoop]: Abstraction has has 675 places, 684 transitions, 23528 flow [2021-03-26 05:23:19,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:19,138 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:19,138 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:19,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290 [2021-03-26 05:23:19,138 INFO L428 AbstractCegarLoop]: === Iteration 292 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:19,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:19,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1732702396, now seen corresponding path program 35 times [2021-03-26 05:23:19,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:19,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407319764] [2021-03-26 05:23:19,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:19,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:19,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:19,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:19,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:19,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:19,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:19,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:19,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:19,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:19,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:19,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:19,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:19,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:19,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:19,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:19,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:19,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:19,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:19,231 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:19,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:19,239 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:19,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:19,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:19,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407319764] [2021-03-26 05:23:19,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:19,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:23:19,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303586383] [2021-03-26 05:23:19,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:23:19,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:19,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:23:19,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:23:19,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 05:23:19,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 684 transitions, 23528 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:19,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:19,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 05:23:19,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:20,183 INFO L129 PetriNetUnfolder]: 635/1568 cut-off events. [2021-03-26 05:23:20,183 INFO L130 PetriNetUnfolder]: For 142853/142861 co-relation queries the response was YES. [2021-03-26 05:23:20,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20914 conditions, 1568 events. 635/1568 cut-off events. For 142853/142861 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11577 event pairs, 15 based on Foata normal form. 9/1350 useless extension candidates. Maximal degree in co-relation 20604. Up to 830 conditions per place. [2021-03-26 05:23:20,223 INFO L132 encePairwiseOnDemand]: 135/152 looper letters, 591 selfloop transitions, 89 changer transitions 0/698 dead transitions. [2021-03-26 05:23:20,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 698 transitions, 25259 flow [2021-03-26 05:23:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:23:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:23:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 803 transitions. [2021-03-26 05:23:20,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35219298245614034 [2021-03-26 05:23:20,224 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 803 transitions. [2021-03-26 05:23:20,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 803 transitions. [2021-03-26 05:23:20,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:20,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 803 transitions. [2021-03-26 05:23:20,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.53333333333333) internal successors, (803), 15 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:20,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:20,226 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:20,226 INFO L185 Difference]: Start difference. First operand has 675 places, 684 transitions, 23528 flow. Second operand 15 states and 803 transitions. [2021-03-26 05:23:20,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 698 transitions, 25259 flow [2021-03-26 05:23:21,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 698 transitions, 25018 flow, removed 34 selfloop flow, removed 14 redundant places. [2021-03-26 05:23:21,456 INFO L241 Difference]: Finished difference. Result has 678 places, 688 transitions, 23835 flow [2021-03-26 05:23:21,456 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=23293, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=597, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=23835, PETRI_PLACES=678, PETRI_TRANSITIONS=688} [2021-03-26 05:23:21,456 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 625 predicate places. [2021-03-26 05:23:21,456 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:21,457 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 678 places, 688 transitions, 23835 flow [2021-03-26 05:23:21,457 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 678 places, 688 transitions, 23835 flow [2021-03-26 05:23:21,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 678 places, 688 transitions, 23835 flow [2021-03-26 05:23:21,802 INFO L129 PetriNetUnfolder]: 572/1471 cut-off events. [2021-03-26 05:23:21,803 INFO L130 PetriNetUnfolder]: For 136225/136274 co-relation queries the response was YES. [2021-03-26 05:23:21,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19065 conditions, 1471 events. 572/1471 cut-off events. For 136225/136274 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11212 event pairs, 8 based on Foata normal form. 9/1263 useless extension candidates. Maximal degree in co-relation 18761. Up to 308 conditions per place. [2021-03-26 05:23:21,857 INFO L142 LiptonReduction]: Number of co-enabled transitions 2506 [2021-03-26 05:23:22,010 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:23:22,010 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:23:22,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 554 [2021-03-26 05:23:22,011 INFO L480 AbstractCegarLoop]: Abstraction has has 678 places, 688 transitions, 23908 flow [2021-03-26 05:23:22,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:22,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:22,011 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:22,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable291 [2021-03-26 05:23:22,011 INFO L428 AbstractCegarLoop]: === Iteration 293 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:22,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:22,011 INFO L82 PathProgramCache]: Analyzing trace with hash 123664581, now seen corresponding path program 4 times [2021-03-26 05:23:22,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:22,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587317369] [2021-03-26 05:23:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:22,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:22,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:22,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:22,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:22,029 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:23:22,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:22,035 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:23:22,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:22,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:22,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:23:22,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:22,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:22,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:22,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:22,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:22,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:22,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:22,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:22,105 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:22,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:22,121 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:22,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:22,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587317369] [2021-03-26 05:23:22,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:22,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:22,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014179087] [2021-03-26 05:23:22,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:22,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:22,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:22,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:22,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 153 [2021-03-26 05:23:22,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 688 transitions, 23908 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:22,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:22,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 153 [2021-03-26 05:23:22,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:23,266 INFO L129 PetriNetUnfolder]: 644/1597 cut-off events. [2021-03-26 05:23:23,266 INFO L130 PetriNetUnfolder]: For 147171/147179 co-relation queries the response was YES. [2021-03-26 05:23:23,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21350 conditions, 1597 events. 644/1597 cut-off events. For 147171/147179 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11864 event pairs, 7 based on Foata normal form. 9/1373 useless extension candidates. Maximal degree in co-relation 21042. Up to 785 conditions per place. [2021-03-26 05:23:23,299 INFO L132 encePairwiseOnDemand]: 135/153 looper letters, 575 selfloop transitions, 122 changer transitions 0/715 dead transitions. [2021-03-26 05:23:23,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 692 places, 715 transitions, 26237 flow [2021-03-26 05:23:23,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:23:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:23:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 821 transitions. [2021-03-26 05:23:23,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3577342047930283 [2021-03-26 05:23:23,300 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 821 transitions. [2021-03-26 05:23:23,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 821 transitions. [2021-03-26 05:23:23,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:23,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 821 transitions. [2021-03-26 05:23:23,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.733333333333334) internal successors, (821), 15 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:23,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:23,302 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:23,302 INFO L185 Difference]: Start difference. First operand has 678 places, 688 transitions, 23908 flow. Second operand 15 states and 821 transitions. [2021-03-26 05:23:23,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 692 places, 715 transitions, 26237 flow [2021-03-26 05:23:24,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 679 places, 715 transitions, 25675 flow, removed 171 selfloop flow, removed 13 redundant places. [2021-03-26 05:23:24,606 INFO L241 Difference]: Finished difference. Result has 681 places, 697 transitions, 24265 flow [2021-03-26 05:23:24,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=23346, PETRI_DIFFERENCE_MINUEND_PLACES=665, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=688, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=24265, PETRI_PLACES=681, PETRI_TRANSITIONS=697} [2021-03-26 05:23:24,606 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 628 predicate places. [2021-03-26 05:23:24,606 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:24,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 681 places, 697 transitions, 24265 flow [2021-03-26 05:23:24,607 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 681 places, 697 transitions, 24265 flow [2021-03-26 05:23:24,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 681 places, 697 transitions, 24265 flow [2021-03-26 05:23:24,968 INFO L129 PetriNetUnfolder]: 597/1525 cut-off events. [2021-03-26 05:23:24,968 INFO L130 PetriNetUnfolder]: For 152365/152406 co-relation queries the response was YES. [2021-03-26 05:23:24,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19972 conditions, 1525 events. 597/1525 cut-off events. For 152365/152406 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11687 event pairs, 4 based on Foata normal form. 1/1304 useless extension candidates. Maximal degree in co-relation 19666. Up to 324 conditions per place. [2021-03-26 05:23:25,025 INFO L142 LiptonReduction]: Number of co-enabled transitions 2600 [2021-03-26 05:23:25,182 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:23:25,183 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:23:25,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 577 [2021-03-26 05:23:25,183 INFO L480 AbstractCegarLoop]: Abstraction has has 681 places, 697 transitions, 24340 flow [2021-03-26 05:23:25,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:25,183 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:25,183 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:25,183 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable292 [2021-03-26 05:23:25,183 INFO L428 AbstractCegarLoop]: === Iteration 294 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:25,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:25,183 INFO L82 PathProgramCache]: Analyzing trace with hash 992467083, now seen corresponding path program 5 times [2021-03-26 05:23:25,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:25,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085426184] [2021-03-26 05:23:25,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:25,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:25,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:25,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:25,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:25,200 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:23:25,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:25,206 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:23:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:25,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:25,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:23:25,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:25,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:25,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:25,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:25,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:25,278 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:25,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:25,293 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:25,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:25,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:25,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085426184] [2021-03-26 05:23:25,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:25,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:25,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815096771] [2021-03-26 05:23:25,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:25,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:25,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:25,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:25,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 154 [2021-03-26 05:23:25,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 681 places, 697 transitions, 24340 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:25,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:25,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 154 [2021-03-26 05:23:25,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:26,436 INFO L129 PetriNetUnfolder]: 649/1616 cut-off events. [2021-03-26 05:23:26,436 INFO L130 PetriNetUnfolder]: For 147122/147126 co-relation queries the response was YES. [2021-03-26 05:23:26,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21492 conditions, 1616 events. 649/1616 cut-off events. For 147122/147126 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 12103 event pairs, 7 based on Foata normal form. 5/1383 useless extension candidates. Maximal degree in co-relation 21182. Up to 831 conditions per place. [2021-03-26 05:23:26,477 INFO L132 encePairwiseOnDemand]: 136/154 looper letters, 601 selfloop transitions, 99 changer transitions 0/718 dead transitions. [2021-03-26 05:23:26,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 697 places, 718 transitions, 26259 flow [2021-03-26 05:23:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:23:26,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:23:26,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 915 transitions. [2021-03-26 05:23:26,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3495034377387319 [2021-03-26 05:23:26,479 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 915 transitions. [2021-03-26 05:23:26,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 915 transitions. [2021-03-26 05:23:26,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:26,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 915 transitions. [2021-03-26 05:23:26,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.8235294117647) internal successors, (915), 17 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:26,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 154.0) internal successors, (2772), 18 states have internal predecessors, (2772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:26,480 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 154.0) internal successors, (2772), 18 states have internal predecessors, (2772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:26,480 INFO L185 Difference]: Start difference. First operand has 681 places, 697 transitions, 24340 flow. Second operand 17 states and 915 transitions. [2021-03-26 05:23:26,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 697 places, 718 transitions, 26259 flow [2021-03-26 05:23:27,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 686 places, 718 transitions, 25524 flow, removed 292 selfloop flow, removed 11 redundant places. [2021-03-26 05:23:27,848 INFO L241 Difference]: Finished difference. Result has 691 places, 703 transitions, 24139 flow [2021-03-26 05:23:27,848 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=23617, PETRI_DIFFERENCE_MINUEND_PLACES=670, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=24139, PETRI_PLACES=691, PETRI_TRANSITIONS=703} [2021-03-26 05:23:27,848 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 638 predicate places. [2021-03-26 05:23:27,848 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:27,849 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 691 places, 703 transitions, 24139 flow [2021-03-26 05:23:27,849 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 691 places, 703 transitions, 24139 flow [2021-03-26 05:23:27,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 691 places, 703 transitions, 24139 flow [2021-03-26 05:23:28,214 INFO L129 PetriNetUnfolder]: 584/1514 cut-off events. [2021-03-26 05:23:28,214 INFO L130 PetriNetUnfolder]: For 135750/135809 co-relation queries the response was YES. [2021-03-26 05:23:28,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19320 conditions, 1514 events. 584/1514 cut-off events. For 135750/135809 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 11688 event pairs, 12 based on Foata normal form. 6/1294 useless extension candidates. Maximal degree in co-relation 19011. Up to 302 conditions per place. [2021-03-26 05:23:28,277 INFO L142 LiptonReduction]: Number of co-enabled transitions 2664 [2021-03-26 05:23:28,435 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:23:28,435 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:23:28,435 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 587 [2021-03-26 05:23:28,436 INFO L480 AbstractCegarLoop]: Abstraction has has 691 places, 703 transitions, 24152 flow [2021-03-26 05:23:28,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:28,436 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:28,436 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:28,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable293 [2021-03-26 05:23:28,436 INFO L428 AbstractCegarLoop]: === Iteration 295 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:28,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:28,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1303591261, now seen corresponding path program 6 times [2021-03-26 05:23:28,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:28,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358779803] [2021-03-26 05:23:28,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:28,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:28,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:28,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:28,454 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:23:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:28,460 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:23:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:28,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:23:28,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:28,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:28,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:28,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:28,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:28,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:28,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:28,531 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:28,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:28,546 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:28,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:28,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358779803] [2021-03-26 05:23:28,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:28,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:28,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436955889] [2021-03-26 05:23:28,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:28,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:28,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:28,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:28,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 155 [2021-03-26 05:23:28,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 691 places, 703 transitions, 24152 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:28,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:28,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 155 [2021-03-26 05:23:28,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:29,730 INFO L129 PetriNetUnfolder]: 649/1636 cut-off events. [2021-03-26 05:23:29,730 INFO L130 PetriNetUnfolder]: For 143393/143401 co-relation queries the response was YES. [2021-03-26 05:23:29,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21272 conditions, 1636 events. 649/1636 cut-off events. For 143393/143401 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 12395 event pairs, 14 based on Foata normal form. 9/1403 useless extension candidates. Maximal degree in co-relation 20958. Up to 829 conditions per place. [2021-03-26 05:23:29,775 INFO L132 encePairwiseOnDemand]: 136/155 looper letters, 597 selfloop transitions, 101 changer transitions 2/718 dead transitions. [2021-03-26 05:23:29,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 707 places, 718 transitions, 25686 flow [2021-03-26 05:23:29,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:23:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:23:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 915 transitions. [2021-03-26 05:23:29,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34724857685009486 [2021-03-26 05:23:29,777 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 915 transitions. [2021-03-26 05:23:29,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 915 transitions. [2021-03-26 05:23:29,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:29,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 915 transitions. [2021-03-26 05:23:29,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.8235294117647) internal successors, (915), 17 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:29,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 155.0) internal successors, (2790), 18 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:29,778 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 155.0) internal successors, (2790), 18 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:29,778 INFO L185 Difference]: Start difference. First operand has 691 places, 703 transitions, 24152 flow. Second operand 17 states and 915 transitions. [2021-03-26 05:23:29,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 707 places, 718 transitions, 25686 flow [2021-03-26 05:23:31,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 697 places, 718 transitions, 25266 flow, removed 118 selfloop flow, removed 10 redundant places. [2021-03-26 05:23:31,128 INFO L241 Difference]: Finished difference. Result has 700 places, 704 transitions, 23984 flow [2021-03-26 05:23:31,128 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=23732, PETRI_DIFFERENCE_MINUEND_PLACES=681, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=603, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=23984, PETRI_PLACES=700, PETRI_TRANSITIONS=704} [2021-03-26 05:23:31,128 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 647 predicate places. [2021-03-26 05:23:31,128 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:31,128 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 700 places, 704 transitions, 23984 flow [2021-03-26 05:23:31,128 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 700 places, 704 transitions, 23984 flow [2021-03-26 05:23:31,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 700 places, 704 transitions, 23984 flow [2021-03-26 05:23:31,505 INFO L129 PetriNetUnfolder]: 599/1554 cut-off events. [2021-03-26 05:23:31,505 INFO L130 PetriNetUnfolder]: For 145119/145191 co-relation queries the response was YES. [2021-03-26 05:23:31,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19567 conditions, 1554 events. 599/1554 cut-off events. For 145119/145191 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 12128 event pairs, 8 based on Foata normal form. 5/1324 useless extension candidates. Maximal degree in co-relation 19255. Up to 308 conditions per place. [2021-03-26 05:23:31,565 INFO L142 LiptonReduction]: Number of co-enabled transitions 2678 [2021-03-26 05:23:31,621 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:31,622 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:31,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-26 05:23:31,622 INFO L480 AbstractCegarLoop]: Abstraction has has 700 places, 704 transitions, 23984 flow [2021-03-26 05:23:31,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:31,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:31,622 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:31,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294 [2021-03-26 05:23:31,622 INFO L428 AbstractCegarLoop]: === Iteration 296 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:31,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:31,622 INFO L82 PathProgramCache]: Analyzing trace with hash 230473113, now seen corresponding path program 7 times [2021-03-26 05:23:31,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:31,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586073766] [2021-03-26 05:23:31,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:31,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:31,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:31,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:31,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:31,640 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:23:31,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:31,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:23:31,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:31,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:31,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:23:31,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:31,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:31,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:31,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:31,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:31,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:31,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:31,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:31,717 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:23:31,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:31,733 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:31,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:31,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586073766] [2021-03-26 05:23:31,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:31,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:31,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832328388] [2021-03-26 05:23:31,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:31,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:31,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:31,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:31,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 155 [2021-03-26 05:23:31,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 704 transitions, 23984 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:31,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:31,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 155 [2021-03-26 05:23:31,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:32,853 INFO L129 PetriNetUnfolder]: 651/1644 cut-off events. [2021-03-26 05:23:32,853 INFO L130 PetriNetUnfolder]: For 140322/140330 co-relation queries the response was YES. [2021-03-26 05:23:32,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21209 conditions, 1644 events. 651/1644 cut-off events. For 140322/140330 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 12491 event pairs, 15 based on Foata normal form. 9/1408 useless extension candidates. Maximal degree in co-relation 20892. Up to 828 conditions per place. [2021-03-26 05:23:32,894 INFO L132 encePairwiseOnDemand]: 136/155 looper letters, 583 selfloop transitions, 82 changer transitions 33/716 dead transitions. [2021-03-26 05:23:32,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 715 places, 716 transitions, 25488 flow [2021-03-26 05:23:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:23:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:23:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 862 transitions. [2021-03-26 05:23:32,896 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34758064516129034 [2021-03-26 05:23:32,896 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 862 transitions. [2021-03-26 05:23:32,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 862 transitions. [2021-03-26 05:23:32,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:32,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 862 transitions. [2021-03-26 05:23:32,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.875) internal successors, (862), 16 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:32,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 155.0) internal successors, (2635), 17 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:32,898 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 155.0) internal successors, (2635), 17 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:32,898 INFO L185 Difference]: Start difference. First operand has 700 places, 704 transitions, 23984 flow. Second operand 16 states and 862 transitions. [2021-03-26 05:23:32,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 715 places, 716 transitions, 25488 flow [2021-03-26 05:23:34,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 716 transitions, 25295 flow, removed 17 selfloop flow, removed 14 redundant places. [2021-03-26 05:23:34,197 INFO L241 Difference]: Finished difference. Result has 702 places, 672 transitions, 23197 flow [2021-03-26 05:23:34,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=23791, PETRI_DIFFERENCE_MINUEND_PLACES=686, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=622, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23197, PETRI_PLACES=702, PETRI_TRANSITIONS=672} [2021-03-26 05:23:34,198 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 649 predicate places. [2021-03-26 05:23:34,198 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:34,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 672 transitions, 23197 flow [2021-03-26 05:23:34,198 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 672 transitions, 23197 flow [2021-03-26 05:23:34,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 679 places, 672 transitions, 23197 flow [2021-03-26 05:23:34,551 INFO L129 PetriNetUnfolder]: 568/1433 cut-off events. [2021-03-26 05:23:34,551 INFO L130 PetriNetUnfolder]: For 135659/135699 co-relation queries the response was YES. [2021-03-26 05:23:34,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19037 conditions, 1433 events. 568/1433 cut-off events. For 135659/135699 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10629 event pairs, 6 based on Foata normal form. 7/1232 useless extension candidates. Maximal degree in co-relation 18744. Up to 298 conditions per place. [2021-03-26 05:23:34,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 2408 [2021-03-26 05:23:34,735 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:23:34,736 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:23:34,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 538 [2021-03-26 05:23:34,736 INFO L480 AbstractCegarLoop]: Abstraction has has 678 places, 671 transitions, 23193 flow [2021-03-26 05:23:34,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:34,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:34,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:34,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295 [2021-03-26 05:23:34,736 INFO L428 AbstractCegarLoop]: === Iteration 297 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:34,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:34,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1416859394, now seen corresponding path program 36 times [2021-03-26 05:23:34,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:34,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177055968] [2021-03-26 05:23:34,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:34,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:34,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:34,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:34,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:34,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:34,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:34,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:34,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:34,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:34,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:34,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:34,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:34,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:34,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:34,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:34,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:34,817 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:23:34,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:23:34,831 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:34,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:34,847 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:34,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:34,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177055968] [2021-03-26 05:23:34,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:34,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:34,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161505039] [2021-03-26 05:23:34,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:34,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:34,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:34,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:34,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 05:23:34,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 671 transitions, 23193 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:34,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:34,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 05:23:34,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:35,931 INFO L129 PetriNetUnfolder]: 621/1515 cut-off events. [2021-03-26 05:23:35,931 INFO L130 PetriNetUnfolder]: For 138247/138257 co-relation queries the response was YES. [2021-03-26 05:23:35,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20616 conditions, 1515 events. 621/1515 cut-off events. For 138247/138257 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10980 event pairs, 7 based on Foata normal form. 11/1309 useless extension candidates. Maximal degree in co-relation 20321. Up to 813 conditions per place. [2021-03-26 05:23:35,968 INFO L132 encePairwiseOnDemand]: 140/156 looper letters, 568 selfloop transitions, 94 changer transitions 3/683 dead transitions. [2021-03-26 05:23:35,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 683 transitions, 24668 flow [2021-03-26 05:23:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:23:35,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:23:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 905 transitions. [2021-03-26 05:23:35,970 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34125188536953244 [2021-03-26 05:23:35,970 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 905 transitions. [2021-03-26 05:23:35,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 905 transitions. [2021-03-26 05:23:35,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:35,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 905 transitions. [2021-03-26 05:23:35,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.23529411764706) internal successors, (905), 17 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:35,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:35,971 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:35,971 INFO L185 Difference]: Start difference. First operand has 678 places, 671 transitions, 23193 flow. Second operand 17 states and 905 transitions. [2021-03-26 05:23:35,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 683 transitions, 24668 flow [2021-03-26 05:23:37,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 683 transitions, 24195 flow, removed 15 selfloop flow, removed 29 redundant places. [2021-03-26 05:23:37,112 INFO L241 Difference]: Finished difference. Result has 667 places, 669 transitions, 22865 flow [2021-03-26 05:23:37,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=22725, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=22865, PETRI_PLACES=667, PETRI_TRANSITIONS=669} [2021-03-26 05:23:37,112 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 614 predicate places. [2021-03-26 05:23:37,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:37,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 669 transitions, 22865 flow [2021-03-26 05:23:37,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 669 transitions, 22865 flow [2021-03-26 05:23:37,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 667 places, 669 transitions, 22865 flow [2021-03-26 05:23:37,438 INFO L129 PetriNetUnfolder]: 563/1412 cut-off events. [2021-03-26 05:23:37,438 INFO L130 PetriNetUnfolder]: For 134321/134390 co-relation queries the response was YES. [2021-03-26 05:23:37,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18548 conditions, 1412 events. 563/1412 cut-off events. For 134321/134390 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10515 event pairs, 8 based on Foata normal form. 5/1209 useless extension candidates. Maximal degree in co-relation 18250. Up to 294 conditions per place. [2021-03-26 05:23:37,490 INFO L142 LiptonReduction]: Number of co-enabled transitions 2398 [2021-03-26 05:23:37,540 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:37,540 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:37,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 428 [2021-03-26 05:23:37,540 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 669 transitions, 22865 flow [2021-03-26 05:23:37,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:37,541 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:37,541 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:37,541 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable296 [2021-03-26 05:23:37,541 INFO L428 AbstractCegarLoop]: === Iteration 298 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:37,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:37,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1635305884, now seen corresponding path program 37 times [2021-03-26 05:23:37,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:37,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680519906] [2021-03-26 05:23:37,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:37,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:37,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:37,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:37,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:37,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:37,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:37,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:37,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:37,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:37,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:37,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:37,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:37,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:37,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:37,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:37,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:37,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:37,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:37,657 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:37,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:37,673 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:37,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:37,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680519906] [2021-03-26 05:23:37,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:37,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:37,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744637094] [2021-03-26 05:23:37,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:37,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:37,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:37,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:37,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 05:23:37,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 669 transitions, 22865 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:37,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:37,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 05:23:37,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:38,660 INFO L129 PetriNetUnfolder]: 624/1528 cut-off events. [2021-03-26 05:23:38,661 INFO L130 PetriNetUnfolder]: For 134246/134256 co-relation queries the response was YES. [2021-03-26 05:23:38,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20454 conditions, 1528 events. 624/1528 cut-off events. For 134246/134256 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 11143 event pairs, 7 based on Foata normal form. 11/1318 useless extension candidates. Maximal degree in co-relation 20151. Up to 824 conditions per place. [2021-03-26 05:23:38,702 INFO L132 encePairwiseOnDemand]: 140/156 looper letters, 595 selfloop transitions, 65 changer transitions 7/685 dead transitions. [2021-03-26 05:23:38,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 685 transitions, 24457 flow [2021-03-26 05:23:38,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:23:38,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:23:38,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 901 transitions. [2021-03-26 05:23:38,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33974358974358976 [2021-03-26 05:23:38,704 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 901 transitions. [2021-03-26 05:23:38,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 901 transitions. [2021-03-26 05:23:38,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:38,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 901 transitions. [2021-03-26 05:23:38,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.0) internal successors, (901), 17 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:38,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:38,705 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:38,705 INFO L185 Difference]: Start difference. First operand has 667 places, 669 transitions, 22865 flow. Second operand 17 states and 901 transitions. [2021-03-26 05:23:38,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 685 transitions, 24457 flow [2021-03-26 05:23:39,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 685 transitions, 24283 flow, removed 3 selfloop flow, removed 15 redundant places. [2021-03-26 05:23:39,797 INFO L241 Difference]: Finished difference. Result has 671 places, 666 transitions, 22763 flow [2021-03-26 05:23:39,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=22691, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=22763, PETRI_PLACES=671, PETRI_TRANSITIONS=666} [2021-03-26 05:23:39,797 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 618 predicate places. [2021-03-26 05:23:39,797 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:39,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 671 places, 666 transitions, 22763 flow [2021-03-26 05:23:39,797 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 671 places, 666 transitions, 22763 flow [2021-03-26 05:23:39,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 668 places, 666 transitions, 22763 flow [2021-03-26 05:23:40,137 INFO L129 PetriNetUnfolder]: 569/1435 cut-off events. [2021-03-26 05:23:40,137 INFO L130 PetriNetUnfolder]: For 130553/130557 co-relation queries the response was YES. [2021-03-26 05:23:40,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18921 conditions, 1435 events. 569/1435 cut-off events. For 130553/130557 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10605 event pairs, 5 based on Foata normal form. 3/1232 useless extension candidates. Maximal degree in co-relation 18622. Up to 301 conditions per place. [2021-03-26 05:23:40,191 INFO L142 LiptonReduction]: Number of co-enabled transitions 2396 [2021-03-26 05:23:40,242 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:40,242 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:40,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 445 [2021-03-26 05:23:40,243 INFO L480 AbstractCegarLoop]: Abstraction has has 668 places, 666 transitions, 22763 flow [2021-03-26 05:23:40,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:40,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:40,243 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:40,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297 [2021-03-26 05:23:40,243 INFO L428 AbstractCegarLoop]: === Iteration 299 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:40,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:40,243 INFO L82 PathProgramCache]: Analyzing trace with hash 346008056, now seen corresponding path program 38 times [2021-03-26 05:23:40,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:40,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599976360] [2021-03-26 05:23:40,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:40,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:40,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:40,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:40,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:40,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:40,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:40,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:40,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:40,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:40,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:40,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:40,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:40,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:40,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:40,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:40,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:40,336 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:23:40,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:40,352 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:40,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:40,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599976360] [2021-03-26 05:23:40,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:40,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:40,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978025160] [2021-03-26 05:23:40,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:40,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:40,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:40,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:40,356 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 05:23:40,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 666 transitions, 22763 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:40,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:40,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 05:23:40,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:41,386 INFO L129 PetriNetUnfolder]: 620/1512 cut-off events. [2021-03-26 05:23:41,386 INFO L130 PetriNetUnfolder]: For 134559/134561 co-relation queries the response was YES. [2021-03-26 05:23:41,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20323 conditions, 1512 events. 620/1512 cut-off events. For 134559/134561 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 10948 event pairs, 15 based on Foata normal form. 3/1297 useless extension candidates. Maximal degree in co-relation 20019. Up to 809 conditions per place. [2021-03-26 05:23:41,419 INFO L132 encePairwiseOnDemand]: 139/156 looper letters, 573 selfloop transitions, 78 changer transitions 8/677 dead transitions. [2021-03-26 05:23:41,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 677 transitions, 24180 flow [2021-03-26 05:23:41,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:23:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:23:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 898 transitions. [2021-03-26 05:23:41,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33861236802413275 [2021-03-26 05:23:41,421 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 898 transitions. [2021-03-26 05:23:41,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 898 transitions. [2021-03-26 05:23:41,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:41,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 898 transitions. [2021-03-26 05:23:41,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 52.8235294117647) internal successors, (898), 17 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:41,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:41,423 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:41,423 INFO L185 Difference]: Start difference. First operand has 668 places, 666 transitions, 22763 flow. Second operand 17 states and 898 transitions. [2021-03-26 05:23:41,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 677 transitions, 24180 flow [2021-03-26 05:23:42,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 677 transitions, 24003 flow, removed 5 selfloop flow, removed 17 redundant places. [2021-03-26 05:23:42,505 INFO L241 Difference]: Finished difference. Result has 669 places, 659 transitions, 22568 flow [2021-03-26 05:23:42,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=22588, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=22568, PETRI_PLACES=669, PETRI_TRANSITIONS=659} [2021-03-26 05:23:42,506 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 616 predicate places. [2021-03-26 05:23:42,506 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:42,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 669 places, 659 transitions, 22568 flow [2021-03-26 05:23:42,506 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 669 places, 659 transitions, 22568 flow [2021-03-26 05:23:42,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 659 transitions, 22568 flow [2021-03-26 05:23:42,811 INFO L129 PetriNetUnfolder]: 550/1384 cut-off events. [2021-03-26 05:23:42,811 INFO L130 PetriNetUnfolder]: For 126533/126601 co-relation queries the response was YES. [2021-03-26 05:23:42,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18293 conditions, 1384 events. 550/1384 cut-off events. For 126533/126601 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10166 event pairs, 8 based on Foata normal form. 5/1187 useless extension candidates. Maximal degree in co-relation 18000. Up to 289 conditions per place. [2021-03-26 05:23:42,860 INFO L142 LiptonReduction]: Number of co-enabled transitions 2358 [2021-03-26 05:23:42,910 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:42,910 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:42,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-03-26 05:23:42,910 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 659 transitions, 22568 flow [2021-03-26 05:23:42,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:42,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:42,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:42,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable298 [2021-03-26 05:23:42,911 INFO L428 AbstractCegarLoop]: === Iteration 300 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:42,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:42,911 INFO L82 PathProgramCache]: Analyzing trace with hash 802018736, now seen corresponding path program 39 times [2021-03-26 05:23:42,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:42,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848764998] [2021-03-26 05:23:42,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:42,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:42,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:42,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:42,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:42,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:42,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:42,974 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:23:42,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:23:42,976 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:23:42,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:23:42,989 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:42,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:43,003 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:43,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:43,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848764998] [2021-03-26 05:23:43,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:43,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:23:43,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424374533] [2021-03-26 05:23:43,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:23:43,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:43,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:23:43,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:23:43,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 05:23:43,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 659 transitions, 22568 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:43,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:43,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 05:23:43,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:43,910 INFO L129 PetriNetUnfolder]: 612/1484 cut-off events. [2021-03-26 05:23:43,910 INFO L130 PetriNetUnfolder]: For 134091/134093 co-relation queries the response was YES. [2021-03-26 05:23:43,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20151 conditions, 1484 events. 612/1484 cut-off events. For 134091/134093 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10632 event pairs, 15 based on Foata normal form. 3/1275 useless extension candidates. Maximal degree in co-relation 19848. Up to 809 conditions per place. [2021-03-26 05:23:43,948 INFO L132 encePairwiseOnDemand]: 140/156 looper letters, 572 selfloop transitions, 75 changer transitions 4/669 dead transitions. [2021-03-26 05:23:43,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 669 transitions, 23961 flow [2021-03-26 05:23:43,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:23:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:23:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 799 transitions. [2021-03-26 05:23:43,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34145299145299146 [2021-03-26 05:23:43,950 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 799 transitions. [2021-03-26 05:23:43,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 799 transitions. [2021-03-26 05:23:43,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:43,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 799 transitions. [2021-03-26 05:23:43,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.266666666666666) internal successors, (799), 15 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:43,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 156.0) internal successors, (2496), 16 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:43,951 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 156.0) internal successors, (2496), 16 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:43,951 INFO L185 Difference]: Start difference. First operand has 663 places, 659 transitions, 22568 flow. Second operand 15 states and 799 transitions. [2021-03-26 05:23:43,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 669 transitions, 23961 flow [2021-03-26 05:23:45,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 669 transitions, 23777 flow, removed 6 selfloop flow, removed 16 redundant places. [2021-03-26 05:23:45,052 INFO L241 Difference]: Finished difference. Result has 663 places, 656 transitions, 22467 flow [2021-03-26 05:23:45,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=22386, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22467, PETRI_PLACES=663, PETRI_TRANSITIONS=656} [2021-03-26 05:23:45,052 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 610 predicate places. [2021-03-26 05:23:45,052 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:45,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 656 transitions, 22467 flow [2021-03-26 05:23:45,053 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 656 transitions, 22467 flow [2021-03-26 05:23:45,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 656 transitions, 22467 flow [2021-03-26 05:23:45,381 INFO L129 PetriNetUnfolder]: 561/1409 cut-off events. [2021-03-26 05:23:45,381 INFO L130 PetriNetUnfolder]: For 130452/130457 co-relation queries the response was YES. [2021-03-26 05:23:45,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18611 conditions, 1409 events. 561/1409 cut-off events. For 130452/130457 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10331 event pairs, 8 based on Foata normal form. 4/1210 useless extension candidates. Maximal degree in co-relation 18316. Up to 300 conditions per place. [2021-03-26 05:23:45,432 INFO L142 LiptonReduction]: Number of co-enabled transitions 2358 [2021-03-26 05:23:45,478 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:45,478 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:45,478 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 426 [2021-03-26 05:23:45,478 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 656 transitions, 22467 flow [2021-03-26 05:23:45,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:45,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:45,478 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:45,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable299 [2021-03-26 05:23:45,478 INFO L428 AbstractCegarLoop]: === Iteration 301 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:45,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:45,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1331902958, now seen corresponding path program 40 times [2021-03-26 05:23:45,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:45,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075548532] [2021-03-26 05:23:45,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:45,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:45,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:45,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:45,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:45,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:45,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:45,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:45,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:45,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:45,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:45,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:45,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:45,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:45,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:45,572 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:23:45,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:23:45,575 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:23:45,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:23:45,590 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:45,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:45,616 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:45,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:45,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:45,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075548532] [2021-03-26 05:23:45,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:45,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:23:45,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259692302] [2021-03-26 05:23:45,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:23:45,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:45,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:23:45,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:23:45,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 05:23:45,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 656 transitions, 22467 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:45,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:45,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 05:23:45,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:46,442 INFO L129 PetriNetUnfolder]: 609/1477 cut-off events. [2021-03-26 05:23:46,442 INFO L130 PetriNetUnfolder]: For 132179/132181 co-relation queries the response was YES. [2021-03-26 05:23:46,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20057 conditions, 1477 events. 609/1477 cut-off events. For 132179/132181 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10586 event pairs, 15 based on Foata normal form. 3/1270 useless extension candidates. Maximal degree in co-relation 19757. Up to 823 conditions per place. [2021-03-26 05:23:46,481 INFO L132 encePairwiseOnDemand]: 140/156 looper letters, 601 selfloop transitions, 42 changer transitions 4/665 dead transitions. [2021-03-26 05:23:46,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 665 transitions, 23834 flow [2021-03-26 05:23:46,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:23:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:23:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 737 transitions. [2021-03-26 05:23:46,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3374542124542125 [2021-03-26 05:23:46,482 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 737 transitions. [2021-03-26 05:23:46,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 737 transitions. [2021-03-26 05:23:46,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:46,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 737 transitions. [2021-03-26 05:23:46,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.642857142857146) internal successors, (737), 14 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:46,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 156.0) internal successors, (2340), 15 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:46,484 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 156.0) internal successors, (2340), 15 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:46,484 INFO L185 Difference]: Start difference. First operand has 663 places, 656 transitions, 22467 flow. Second operand 14 states and 737 transitions. [2021-03-26 05:23:46,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 665 transitions, 23834 flow [2021-03-26 05:23:47,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 665 transitions, 23621 flow, removed 19 selfloop flow, removed 17 redundant places. [2021-03-26 05:23:47,571 INFO L241 Difference]: Finished difference. Result has 661 places, 653 transitions, 22275 flow [2021-03-26 05:23:47,572 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=22254, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=656, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=614, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22275, PETRI_PLACES=661, PETRI_TRANSITIONS=653} [2021-03-26 05:23:47,572 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 608 predicate places. [2021-03-26 05:23:47,572 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:47,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 661 places, 653 transitions, 22275 flow [2021-03-26 05:23:47,572 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 661 places, 653 transitions, 22275 flow [2021-03-26 05:23:47,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 653 transitions, 22275 flow [2021-03-26 05:23:47,885 INFO L129 PetriNetUnfolder]: 547/1377 cut-off events. [2021-03-26 05:23:47,885 INFO L130 PetriNetUnfolder]: For 125492/125560 co-relation queries the response was YES. [2021-03-26 05:23:47,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18064 conditions, 1377 events. 547/1377 cut-off events. For 125492/125560 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10123 event pairs, 8 based on Foata normal form. 5/1180 useless extension candidates. Maximal degree in co-relation 17780. Up to 288 conditions per place. [2021-03-26 05:23:47,934 INFO L142 LiptonReduction]: Number of co-enabled transitions 2358 [2021-03-26 05:23:47,982 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:47,982 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:47,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 410 [2021-03-26 05:23:47,983 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 653 transitions, 22275 flow [2021-03-26 05:23:47,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:47,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:47,983 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:47,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable300 [2021-03-26 05:23:47,983 INFO L428 AbstractCegarLoop]: === Iteration 302 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:47,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:47,983 INFO L82 PathProgramCache]: Analyzing trace with hash -171262466, now seen corresponding path program 41 times [2021-03-26 05:23:47,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:47,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364785253] [2021-03-26 05:23:47,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:47,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:47,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:47,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:47,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:48,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:48,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:48,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:48,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:48,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:48,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:48,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:48,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:48,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:48,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:48,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:48,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:48,063 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:23:48,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:23:48,078 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:48,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:48,094 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:48,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:48,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364785253] [2021-03-26 05:23:48,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:48,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:48,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810847563] [2021-03-26 05:23:48,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:48,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:48,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:48,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:48,097 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 05:23:48,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 653 transitions, 22275 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:48,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:48,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 05:23:48,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:49,182 INFO L129 PetriNetUnfolder]: 608/1474 cut-off events. [2021-03-26 05:23:49,182 INFO L130 PetriNetUnfolder]: For 130338/130348 co-relation queries the response was YES. [2021-03-26 05:23:49,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19914 conditions, 1474 events. 608/1474 cut-off events. For 130338/130348 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10566 event pairs, 7 based on Foata normal form. 11/1275 useless extension candidates. Maximal degree in co-relation 19628. Up to 782 conditions per place. [2021-03-26 05:23:49,219 INFO L132 encePairwiseOnDemand]: 140/156 looper letters, 527 selfloop transitions, 118 changer transitions 3/666 dead transitions. [2021-03-26 05:23:49,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 666 transitions, 23719 flow [2021-03-26 05:23:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 05:23:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 05:23:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1063 transitions. [2021-03-26 05:23:49,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3407051282051282 [2021-03-26 05:23:49,220 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1063 transitions. [2021-03-26 05:23:49,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1063 transitions. [2021-03-26 05:23:49,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:49,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1063 transitions. [2021-03-26 05:23:49,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 53.15) internal successors, (1063), 20 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:49,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 156.0) internal successors, (3276), 21 states have internal predecessors, (3276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:49,222 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 156.0) internal successors, (3276), 21 states have internal predecessors, (3276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:49,223 INFO L185 Difference]: Start difference. First operand has 658 places, 653 transitions, 22275 flow. Second operand 20 states and 1063 transitions. [2021-03-26 05:23:49,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 666 transitions, 23719 flow [2021-03-26 05:23:50,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 666 transitions, 23631 flow, removed 2 selfloop flow, removed 12 redundant places. [2021-03-26 05:23:50,304 INFO L241 Difference]: Finished difference. Result has 667 places, 651 transitions, 22377 flow [2021-03-26 05:23:50,305 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=22187, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=22377, PETRI_PLACES=667, PETRI_TRANSITIONS=651} [2021-03-26 05:23:50,305 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 614 predicate places. [2021-03-26 05:23:50,305 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:50,305 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 651 transitions, 22377 flow [2021-03-26 05:23:50,305 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 651 transitions, 22377 flow [2021-03-26 05:23:50,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 667 places, 651 transitions, 22377 flow [2021-03-26 05:23:50,620 INFO L129 PetriNetUnfolder]: 562/1395 cut-off events. [2021-03-26 05:23:50,620 INFO L130 PetriNetUnfolder]: For 134947/134950 co-relation queries the response was YES. [2021-03-26 05:23:50,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18642 conditions, 1395 events. 562/1395 cut-off events. For 134947/134950 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10180 event pairs, 7 based on Foata normal form. 1/1197 useless extension candidates. Maximal degree in co-relation 18348. Up to 300 conditions per place. [2021-03-26 05:23:50,672 INFO L142 LiptonReduction]: Number of co-enabled transitions 2358 [2021-03-26 05:23:50,720 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:50,720 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:50,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 415 [2021-03-26 05:23:50,720 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 651 transitions, 22377 flow [2021-03-26 05:23:50,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:50,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:50,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:50,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable301 [2021-03-26 05:23:50,721 INFO L428 AbstractCegarLoop]: === Iteration 303 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:50,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:50,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1654397404, now seen corresponding path program 42 times [2021-03-26 05:23:50,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:50,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444429711] [2021-03-26 05:23:50,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:50,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:50,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:50,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:50,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:50,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:50,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:50,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:50,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:50,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:50,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:50,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:50,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:50,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:50,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:50,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:50,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:50,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:50,817 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:23:50,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:50,833 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:50,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:50,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444429711] [2021-03-26 05:23:50,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:50,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:50,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476907357] [2021-03-26 05:23:50,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:50,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:50,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:50,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:50,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 05:23:50,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 651 transitions, 22377 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:50,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:50,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 05:23:50,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:51,988 INFO L129 PetriNetUnfolder]: 608/1474 cut-off events. [2021-03-26 05:23:51,988 INFO L130 PetriNetUnfolder]: For 130418/130420 co-relation queries the response was YES. [2021-03-26 05:23:52,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19980 conditions, 1474 events. 608/1474 cut-off events. For 130418/130420 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10556 event pairs, 15 based on Foata normal form. 3/1266 useless extension candidates. Maximal degree in co-relation 19682. Up to 788 conditions per place. [2021-03-26 05:23:52,015 INFO L132 encePairwiseOnDemand]: 140/156 looper letters, 553 selfloop transitions, 86 changer transitions 8/665 dead transitions. [2021-03-26 05:23:52,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 685 places, 665 transitions, 23803 flow [2021-03-26 05:23:52,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 05:23:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 05:23:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1014 transitions. [2021-03-26 05:23:52,016 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34210526315789475 [2021-03-26 05:23:52,016 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1014 transitions. [2021-03-26 05:23:52,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1014 transitions. [2021-03-26 05:23:52,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:52,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1014 transitions. [2021-03-26 05:23:52,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.36842105263158) internal successors, (1014), 19 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:52,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 156.0) internal successors, (3120), 20 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:52,018 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 156.0) internal successors, (3120), 20 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:52,018 INFO L185 Difference]: Start difference. First operand has 667 places, 651 transitions, 22377 flow. Second operand 19 states and 1014 transitions. [2021-03-26 05:23:52,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 685 places, 665 transitions, 23803 flow [2021-03-26 05:23:53,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 665 transitions, 23584 flow, removed 1 selfloop flow, removed 20 redundant places. [2021-03-26 05:23:53,039 INFO L241 Difference]: Finished difference. Result has 667 places, 644 transitions, 22050 flow [2021-03-26 05:23:53,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=22158, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=651, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=22050, PETRI_PLACES=667, PETRI_TRANSITIONS=644} [2021-03-26 05:23:53,039 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 614 predicate places. [2021-03-26 05:23:53,039 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:53,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 644 transitions, 22050 flow [2021-03-26 05:23:53,039 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 644 transitions, 22050 flow [2021-03-26 05:23:53,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 666 places, 644 transitions, 22050 flow [2021-03-26 05:23:53,347 INFO L129 PetriNetUnfolder]: 539/1352 cut-off events. [2021-03-26 05:23:53,347 INFO L130 PetriNetUnfolder]: For 125667/125740 co-relation queries the response was YES. [2021-03-26 05:23:53,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17856 conditions, 1352 events. 539/1352 cut-off events. For 125667/125740 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9866 event pairs, 8 based on Foata normal form. 10/1165 useless extension candidates. Maximal degree in co-relation 17561. Up to 284 conditions per place. [2021-03-26 05:23:53,395 INFO L142 LiptonReduction]: Number of co-enabled transitions 2332 [2021-03-26 05:23:53,443 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:53,443 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:53,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-03-26 05:23:53,443 INFO L480 AbstractCegarLoop]: Abstraction has has 666 places, 644 transitions, 22050 flow [2021-03-26 05:23:53,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:53,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:53,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:53,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302 [2021-03-26 05:23:53,443 INFO L428 AbstractCegarLoop]: === Iteration 304 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:53,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:53,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1475277532, now seen corresponding path program 43 times [2021-03-26 05:23:53,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:53,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268270600] [2021-03-26 05:23:53,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:53,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:53,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:53,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:53,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:53,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:53,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:53,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:53,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:53,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:53,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:53,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:53,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:53,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:53,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:53,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:53,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:53,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:53,537 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:23:53,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:53,553 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:53,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:53,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268270600] [2021-03-26 05:23:53,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:53,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:53,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481283531] [2021-03-26 05:23:53,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:53,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:53,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:53,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:53,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 05:23:53,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 644 transitions, 22050 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:53,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:53,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 05:23:53,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:54,518 INFO L129 PetriNetUnfolder]: 604/1461 cut-off events. [2021-03-26 05:23:54,518 INFO L130 PetriNetUnfolder]: For 129273/129277 co-relation queries the response was YES. [2021-03-26 05:23:54,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19795 conditions, 1461 events. 604/1461 cut-off events. For 129273/129277 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10424 event pairs, 7 based on Foata normal form. 5/1257 useless extension candidates. Maximal degree in co-relation 19496. Up to 795 conditions per place. [2021-03-26 05:23:54,554 INFO L132 encePairwiseOnDemand]: 140/156 looper letters, 572 selfloop transitions, 62 changer transitions 5/657 dead transitions. [2021-03-26 05:23:54,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 657 transitions, 23442 flow [2021-03-26 05:23:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:23:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:23:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 899 transitions. [2021-03-26 05:23:54,555 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3389894419306184 [2021-03-26 05:23:54,555 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 899 transitions. [2021-03-26 05:23:54,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 899 transitions. [2021-03-26 05:23:54,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:54,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 899 transitions. [2021-03-26 05:23:54,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 52.88235294117647) internal successors, (899), 17 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:54,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:54,557 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:54,557 INFO L185 Difference]: Start difference. First operand has 666 places, 644 transitions, 22050 flow. Second operand 17 states and 899 transitions. [2021-03-26 05:23:54,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 657 transitions, 23442 flow [2021-03-26 05:23:55,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 657 transitions, 22953 flow, removed 116 selfloop flow, removed 26 redundant places. [2021-03-26 05:23:55,637 INFO L241 Difference]: Finished difference. Result has 658 places, 640 transitions, 21571 flow [2021-03-26 05:23:55,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=21561, PETRI_DIFFERENCE_MINUEND_PLACES=640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=644, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=21571, PETRI_PLACES=658, PETRI_TRANSITIONS=640} [2021-03-26 05:23:55,637 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 605 predicate places. [2021-03-26 05:23:55,637 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:55,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 640 transitions, 21571 flow [2021-03-26 05:23:55,637 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 640 transitions, 21571 flow [2021-03-26 05:23:55,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 655 places, 640 transitions, 21571 flow [2021-03-26 05:23:55,968 INFO L129 PetriNetUnfolder]: 543/1350 cut-off events. [2021-03-26 05:23:55,968 INFO L130 PetriNetUnfolder]: For 126918/126987 co-relation queries the response was YES. [2021-03-26 05:23:55,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17696 conditions, 1350 events. 543/1350 cut-off events. For 126918/126987 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9883 event pairs, 6 based on Foata normal form. 5/1158 useless extension candidates. Maximal degree in co-relation 17421. Up to 276 conditions per place. [2021-03-26 05:23:56,008 INFO L142 LiptonReduction]: Number of co-enabled transitions 2308 [2021-03-26 05:23:56,051 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:56,051 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:23:56,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-03-26 05:23:56,052 INFO L480 AbstractCegarLoop]: Abstraction has has 655 places, 640 transitions, 21571 flow [2021-03-26 05:23:56,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:56,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:56,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:56,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable303 [2021-03-26 05:23:56,052 INFO L428 AbstractCegarLoop]: === Iteration 305 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:56,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:56,052 INFO L82 PathProgramCache]: Analyzing trace with hash -2064851240, now seen corresponding path program 44 times [2021-03-26 05:23:56,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:56,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424245189] [2021-03-26 05:23:56,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:56,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:56,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:56,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:56,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:56,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:56,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:56,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:56,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:56,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:56,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:56,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:56,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:56,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:56,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:56,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:56,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:56,130 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:23:56,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:23:56,145 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:23:56,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:56,160 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:23:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:56,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424245189] [2021-03-26 05:23:56,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:56,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:56,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827314990] [2021-03-26 05:23:56,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:56,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:56,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:56,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:56,163 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 05:23:56,164 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 640 transitions, 21571 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:56,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:56,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 05:23:56,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:57,043 INFO L129 PetriNetUnfolder]: 599/1447 cut-off events. [2021-03-26 05:23:57,043 INFO L130 PetriNetUnfolder]: For 124911/124913 co-relation queries the response was YES. [2021-03-26 05:23:57,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19478 conditions, 1447 events. 599/1447 cut-off events. For 124911/124913 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10275 event pairs, 14 based on Foata normal form. 3/1245 useless extension candidates. Maximal degree in co-relation 19201. Up to 800 conditions per place. [2021-03-26 05:23:57,080 INFO L132 encePairwiseOnDemand]: 140/156 looper letters, 570 selfloop transitions, 59 changer transitions 5/652 dead transitions. [2021-03-26 05:23:57,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 652 transitions, 22973 flow [2021-03-26 05:23:57,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 05:23:57,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 05:23:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 943 transitions. [2021-03-26 05:23:57,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33582621082621084 [2021-03-26 05:23:57,081 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 943 transitions. [2021-03-26 05:23:57,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 943 transitions. [2021-03-26 05:23:57,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:57,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 943 transitions. [2021-03-26 05:23:57,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 52.388888888888886) internal successors, (943), 18 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:57,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 156.0) internal successors, (2964), 19 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:57,083 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 156.0) internal successors, (2964), 19 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:57,083 INFO L185 Difference]: Start difference. First operand has 655 places, 640 transitions, 21571 flow. Second operand 18 states and 943 transitions. [2021-03-26 05:23:57,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 652 transitions, 22973 flow [2021-03-26 05:23:58,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 652 transitions, 22815 flow, removed 4 selfloop flow, removed 18 redundant places. [2021-03-26 05:23:58,093 INFO L241 Difference]: Finished difference. Result has 656 places, 636 transitions, 21363 flow [2021-03-26 05:23:58,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=21415, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=640, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=21363, PETRI_PLACES=656, PETRI_TRANSITIONS=636} [2021-03-26 05:23:58,093 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 603 predicate places. [2021-03-26 05:23:58,093 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:23:58,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 656 places, 636 transitions, 21363 flow [2021-03-26 05:23:58,093 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 656 places, 636 transitions, 21363 flow [2021-03-26 05:23:58,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 636 transitions, 21363 flow [2021-03-26 05:23:58,394 INFO L129 PetriNetUnfolder]: 542/1357 cut-off events. [2021-03-26 05:23:58,395 INFO L130 PetriNetUnfolder]: For 122834/122842 co-relation queries the response was YES. [2021-03-26 05:23:58,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17738 conditions, 1357 events. 542/1357 cut-off events. For 122834/122842 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9861 event pairs, 9 based on Foata normal form. 7/1169 useless extension candidates. Maximal degree in co-relation 17447. Up to 276 conditions per place. [2021-03-26 05:23:58,445 INFO L142 LiptonReduction]: Number of co-enabled transitions 2308 [2021-03-26 05:23:58,586 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:23:58,586 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:23:58,586 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 493 [2021-03-26 05:23:58,586 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 636 transitions, 21368 flow [2021-03-26 05:23:58,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:58,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:23:58,586 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:23:58,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable304 [2021-03-26 05:23:58,587 INFO L428 AbstractCegarLoop]: === Iteration 306 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:23:58,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:23:58,587 INFO L82 PathProgramCache]: Analyzing trace with hash -680464384, now seen corresponding path program 45 times [2021-03-26 05:23:58,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:23:58,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733749221] [2021-03-26 05:23:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:23:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:23:58,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:58,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:23:58,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:58,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:58,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:58,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:23:58,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:58,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:58,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:58,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:23:58,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:58,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:58,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:58,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:58,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:23:58,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:58,667 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:23:58,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:23:58,681 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:23:58,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:23:58,697 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:23:58,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:23:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:23:58,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733749221] [2021-03-26 05:23:58,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:23:58,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:23:58,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657904420] [2021-03-26 05:23:58,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:23:58,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:23:58,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:23:58,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:23:58,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 05:23:58,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 636 transitions, 21368 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:58,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:23:58,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 05:23:58,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:23:59,587 INFO L129 PetriNetUnfolder]: 594/1433 cut-off events. [2021-03-26 05:23:59,587 INFO L130 PetriNetUnfolder]: For 125918/125926 co-relation queries the response was YES. [2021-03-26 05:23:59,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19360 conditions, 1433 events. 594/1433 cut-off events. For 125918/125926 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10142 event pairs, 13 based on Foata normal form. 9/1241 useless extension candidates. Maximal degree in co-relation 19065. Up to 795 conditions per place. [2021-03-26 05:23:59,621 INFO L132 encePairwiseOnDemand]: 141/157 looper letters, 568 selfloop transitions, 58 changer transitions 4/648 dead transitions. [2021-03-26 05:23:59,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 648 transitions, 22762 flow [2021-03-26 05:23:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:23:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:23:59,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 842 transitions. [2021-03-26 05:23:59,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3351910828025478 [2021-03-26 05:23:59,623 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 842 transitions. [2021-03-26 05:23:59,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 842 transitions. [2021-03-26 05:23:59,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:23:59,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 842 transitions. [2021-03-26 05:23:59,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.625) internal successors, (842), 16 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:59,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 157.0) internal successors, (2669), 17 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:59,625 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 157.0) internal successors, (2669), 17 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:23:59,625 INFO L185 Difference]: Start difference. First operand has 654 places, 636 transitions, 21368 flow. Second operand 16 states and 842 transitions. [2021-03-26 05:23:59,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 648 transitions, 22762 flow [2021-03-26 05:24:00,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 647 places, 648 transitions, 22557 flow, removed 13 selfloop flow, removed 22 redundant places. [2021-03-26 05:24:00,591 INFO L241 Difference]: Finished difference. Result has 649 places, 633 transitions, 21177 flow [2021-03-26 05:24:00,591 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=21165, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21177, PETRI_PLACES=649, PETRI_TRANSITIONS=633} [2021-03-26 05:24:00,591 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 596 predicate places. [2021-03-26 05:24:00,591 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:00,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 649 places, 633 transitions, 21177 flow [2021-03-26 05:24:00,591 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 649 places, 633 transitions, 21177 flow [2021-03-26 05:24:00,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 647 places, 633 transitions, 21177 flow [2021-03-26 05:24:00,881 INFO L129 PetriNetUnfolder]: 533/1334 cut-off events. [2021-03-26 05:24:00,881 INFO L130 PetriNetUnfolder]: For 120239/120310 co-relation queries the response was YES. [2021-03-26 05:24:00,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17326 conditions, 1334 events. 533/1334 cut-off events. For 120239/120310 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9676 event pairs, 6 based on Foata normal form. 7/1145 useless extension candidates. Maximal degree in co-relation 17036. Up to 269 conditions per place. [2021-03-26 05:24:00,925 INFO L142 LiptonReduction]: Number of co-enabled transitions 2308 [2021-03-26 05:24:00,970 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:00,970 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:00,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 379 [2021-03-26 05:24:00,971 INFO L480 AbstractCegarLoop]: Abstraction has has 647 places, 633 transitions, 21177 flow [2021-03-26 05:24:00,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:00,971 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:00,971 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:00,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable305 [2021-03-26 05:24:00,971 INFO L428 AbstractCegarLoop]: === Iteration 307 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:00,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:00,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1248640287, now seen corresponding path program 1 times [2021-03-26 05:24:00,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:00,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292713893] [2021-03-26 05:24:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:00,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:00,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:00,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:00,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:00,988 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:24:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:00,994 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:24:00,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:01,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:01,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:01,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:01,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:01,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:01,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:01,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:01,052 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:01,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:01,069 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:01,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:01,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292713893] [2021-03-26 05:24:01,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:01,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:01,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461756797] [2021-03-26 05:24:01,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:01,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:01,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:01,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:01,074 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 05:24:01,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 633 transitions, 21177 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:01,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:01,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 05:24:01,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:01,792 INFO L129 PetriNetUnfolder]: 595/1433 cut-off events. [2021-03-26 05:24:01,792 INFO L130 PetriNetUnfolder]: For 123305/123307 co-relation queries the response was YES. [2021-03-26 05:24:01,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19245 conditions, 1433 events. 595/1433 cut-off events. For 123305/123307 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10163 event pairs, 15 based on Foata normal form. 3/1233 useless extension candidates. Maximal degree in co-relation 18951. Up to 813 conditions per place. [2021-03-26 05:24:01,828 INFO L132 encePairwiseOnDemand]: 142/157 looper letters, 589 selfloop transitions, 23 changer transitions 9/639 dead transitions. [2021-03-26 05:24:01,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 639 transitions, 22455 flow [2021-03-26 05:24:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:24:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:24:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 674 transitions. [2021-03-26 05:24:01,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33023027927486526 [2021-03-26 05:24:01,829 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 674 transitions. [2021-03-26 05:24:01,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 674 transitions. [2021-03-26 05:24:01,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:01,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 674 transitions. [2021-03-26 05:24:01,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 51.84615384615385) internal successors, (674), 13 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:01,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 157.0) internal successors, (2198), 14 states have internal predecessors, (2198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:01,831 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 157.0) internal successors, (2198), 14 states have internal predecessors, (2198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:01,831 INFO L185 Difference]: Start difference. First operand has 647 places, 633 transitions, 21177 flow. Second operand 13 states and 674 transitions. [2021-03-26 05:24:01,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 639 transitions, 22455 flow [2021-03-26 05:24:02,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 639 transitions, 22285 flow, removed 11 selfloop flow, removed 18 redundant places. [2021-03-26 05:24:02,823 INFO L241 Difference]: Finished difference. Result has 642 places, 625 transitions, 20815 flow [2021-03-26 05:24:02,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=21007, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=610, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20815, PETRI_PLACES=642, PETRI_TRANSITIONS=625} [2021-03-26 05:24:02,824 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 589 predicate places. [2021-03-26 05:24:02,824 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:02,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 642 places, 625 transitions, 20815 flow [2021-03-26 05:24:02,824 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 642 places, 625 transitions, 20815 flow [2021-03-26 05:24:02,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 632 places, 625 transitions, 20815 flow [2021-03-26 05:24:03,124 INFO L129 PetriNetUnfolder]: 534/1320 cut-off events. [2021-03-26 05:24:03,125 INFO L130 PetriNetUnfolder]: For 120305/120392 co-relation queries the response was YES. [2021-03-26 05:24:03,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17148 conditions, 1320 events. 534/1320 cut-off events. For 120305/120392 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9548 event pairs, 9 based on Foata normal form. 11/1137 useless extension candidates. Maximal degree in co-relation 16859. Up to 272 conditions per place. [2021-03-26 05:24:03,171 INFO L142 LiptonReduction]: Number of co-enabled transitions 2266 [2021-03-26 05:24:03,286 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:03,286 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:24:03,286 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 462 [2021-03-26 05:24:03,286 INFO L480 AbstractCegarLoop]: Abstraction has has 632 places, 625 transitions, 20818 flow [2021-03-26 05:24:03,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:03,286 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:03,286 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:03,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306 [2021-03-26 05:24:03,287 INFO L428 AbstractCegarLoop]: === Iteration 308 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:03,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:03,287 INFO L82 PathProgramCache]: Analyzing trace with hash -572483788, now seen corresponding path program 9 times [2021-03-26 05:24:03,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:03,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176495006] [2021-03-26 05:24:03,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:03,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:03,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:03,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:03,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:03,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:03,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:03,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:03,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:03,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:03,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:03,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:03,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:03,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:03,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:03,383 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:03,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:03,386 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:03,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:03,403 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:03,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:03,408 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:24:03,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:03,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176495006] [2021-03-26 05:24:03,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:03,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:24:03,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491058232] [2021-03-26 05:24:03,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:24:03,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:03,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:24:03,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:24:03,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 158 [2021-03-26 05:24:03,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 625 transitions, 20818 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:03,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:03,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 158 [2021-03-26 05:24:03,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:04,222 INFO L129 PetriNetUnfolder]: 593/1427 cut-off events. [2021-03-26 05:24:04,223 INFO L130 PetriNetUnfolder]: For 126131/126135 co-relation queries the response was YES. [2021-03-26 05:24:04,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19139 conditions, 1427 events. 593/1427 cut-off events. For 126131/126135 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10087 event pairs, 17 based on Foata normal form. 5/1230 useless extension candidates. Maximal degree in co-relation 18846. Up to 764 conditions per place. [2021-03-26 05:24:04,259 INFO L132 encePairwiseOnDemand]: 143/158 looper letters, 524 selfloop transitions, 89 changer transitions 7/638 dead transitions. [2021-03-26 05:24:04,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 638 transitions, 22565 flow [2021-03-26 05:24:04,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:24:04,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:24:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 594 transitions. [2021-03-26 05:24:04,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34177215189873417 [2021-03-26 05:24:04,261 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 594 transitions. [2021-03-26 05:24:04,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 594 transitions. [2021-03-26 05:24:04,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:04,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 594 transitions. [2021-03-26 05:24:04,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:04,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 158.0) internal successors, (1896), 12 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:04,262 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 158.0) internal successors, (1896), 12 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:04,262 INFO L185 Difference]: Start difference. First operand has 632 places, 625 transitions, 20818 flow. Second operand 11 states and 594 transitions. [2021-03-26 05:24:04,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 638 transitions, 22565 flow [2021-03-26 05:24:05,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 638 transitions, 22065 flow, removed 174 selfloop flow, removed 18 redundant places. [2021-03-26 05:24:05,244 INFO L241 Difference]: Finished difference. Result has 628 places, 625 transitions, 20732 flow [2021-03-26 05:24:05,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=20332, PETRI_DIFFERENCE_MINUEND_PLACES=614, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=20732, PETRI_PLACES=628, PETRI_TRANSITIONS=625} [2021-03-26 05:24:05,244 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 575 predicate places. [2021-03-26 05:24:05,244 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:05,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 628 places, 625 transitions, 20732 flow [2021-03-26 05:24:05,244 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 628 places, 625 transitions, 20732 flow [2021-03-26 05:24:05,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 627 places, 625 transitions, 20732 flow [2021-03-26 05:24:05,529 INFO L129 PetriNetUnfolder]: 531/1324 cut-off events. [2021-03-26 05:24:05,529 INFO L130 PetriNetUnfolder]: For 116368/116379 co-relation queries the response was YES. [2021-03-26 05:24:05,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17115 conditions, 1324 events. 531/1324 cut-off events. For 116368/116379 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9533 event pairs, 6 based on Foata normal form. 9/1145 useless extension candidates. Maximal degree in co-relation 16832. Up to 270 conditions per place. [2021-03-26 05:24:05,574 INFO L142 LiptonReduction]: Number of co-enabled transitions 2254 [2021-03-26 05:24:05,618 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:05,618 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:05,618 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 374 [2021-03-26 05:24:05,618 INFO L480 AbstractCegarLoop]: Abstraction has has 627 places, 625 transitions, 20732 flow [2021-03-26 05:24:05,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:05,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:05,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:05,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable307 [2021-03-26 05:24:05,618 INFO L428 AbstractCegarLoop]: === Iteration 309 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:05,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:05,619 INFO L82 PathProgramCache]: Analyzing trace with hash -620227560, now seen corresponding path program 10 times [2021-03-26 05:24:05,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:05,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339471759] [2021-03-26 05:24:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:05,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:05,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:05,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:05,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:05,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:05,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:05,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:05,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:05,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:05,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:05,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:05,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:05,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:05,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:05,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:05,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:05,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:05,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:05,722 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:05,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:05,725 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:24:05,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:05,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339471759] [2021-03-26 05:24:05,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:05,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:05,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964090527] [2021-03-26 05:24:05,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:05,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:05,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:05,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:05,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 158 [2021-03-26 05:24:05,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 625 transitions, 20732 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:05,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:05,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 158 [2021-03-26 05:24:05,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:06,514 INFO L129 PetriNetUnfolder]: 590/1417 cut-off events. [2021-03-26 05:24:06,514 INFO L130 PetriNetUnfolder]: For 118034/118040 co-relation queries the response was YES. [2021-03-26 05:24:06,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18870 conditions, 1417 events. 590/1417 cut-off events. For 118034/118040 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9958 event pairs, 9 based on Foata normal form. 7/1224 useless extension candidates. Maximal degree in co-relation 18582. Up to 759 conditions per place. [2021-03-26 05:24:06,545 INFO L132 encePairwiseOnDemand]: 144/158 looper letters, 510 selfloop transitions, 105 changer transitions 2/635 dead transitions. [2021-03-26 05:24:06,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 635 transitions, 22232 flow [2021-03-26 05:24:06,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:24:06,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:24:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 745 transitions. [2021-03-26 05:24:06,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3367992766726944 [2021-03-26 05:24:06,547 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 745 transitions. [2021-03-26 05:24:06,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 745 transitions. [2021-03-26 05:24:06,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:06,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 745 transitions. [2021-03-26 05:24:06,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.214285714285715) internal successors, (745), 14 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:06,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 158.0) internal successors, (2370), 15 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:06,548 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 158.0) internal successors, (2370), 15 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:06,548 INFO L185 Difference]: Start difference. First operand has 627 places, 625 transitions, 20732 flow. Second operand 14 states and 745 transitions. [2021-03-26 05:24:06,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 640 places, 635 transitions, 22232 flow [2021-03-26 05:24:07,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 635 transitions, 21925 flow, removed 67 selfloop flow, removed 10 redundant places. [2021-03-26 05:24:07,533 INFO L241 Difference]: Finished difference. Result has 632 places, 626 transitions, 20742 flow [2021-03-26 05:24:07,533 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=20433, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20742, PETRI_PLACES=632, PETRI_TRANSITIONS=626} [2021-03-26 05:24:07,533 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 579 predicate places. [2021-03-26 05:24:07,533 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:07,534 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 632 places, 626 transitions, 20742 flow [2021-03-26 05:24:07,534 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 632 places, 626 transitions, 20742 flow [2021-03-26 05:24:07,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 631 places, 626 transitions, 20742 flow [2021-03-26 05:24:07,817 INFO L129 PetriNetUnfolder]: 528/1314 cut-off events. [2021-03-26 05:24:07,818 INFO L130 PetriNetUnfolder]: For 115860/115925 co-relation queries the response was YES. [2021-03-26 05:24:07,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17192 conditions, 1314 events. 528/1314 cut-off events. For 115860/115925 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9488 event pairs, 12 based on Foata normal form. 7/1138 useless extension candidates. Maximal degree in co-relation 16910. Up to 271 conditions per place. [2021-03-26 05:24:07,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 2254 [2021-03-26 05:24:07,909 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:07,909 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:07,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-03-26 05:24:07,909 INFO L480 AbstractCegarLoop]: Abstraction has has 631 places, 626 transitions, 20742 flow [2021-03-26 05:24:07,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:07,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:07,910 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:07,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable308 [2021-03-26 05:24:07,910 INFO L428 AbstractCegarLoop]: === Iteration 310 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:07,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:07,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1293648426, now seen corresponding path program 11 times [2021-03-26 05:24:07,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:07,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296376476] [2021-03-26 05:24:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:07,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:07,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:07,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:07,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:07,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:07,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:07,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:07,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:07,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:07,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:07,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:07,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:07,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:07,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:07,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:07,992 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:07,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:08,007 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:08,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:08,011 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:24:08,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:08,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296376476] [2021-03-26 05:24:08,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:08,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:08,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025044531] [2021-03-26 05:24:08,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:08,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:08,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:08,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:08,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 158 [2021-03-26 05:24:08,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 626 transitions, 20742 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:08,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:08,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 158 [2021-03-26 05:24:08,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:08,789 INFO L129 PetriNetUnfolder]: 589/1417 cut-off events. [2021-03-26 05:24:08,789 INFO L130 PetriNetUnfolder]: For 117618/117622 co-relation queries the response was YES. [2021-03-26 05:24:08,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18795 conditions, 1417 events. 589/1417 cut-off events. For 117618/117622 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9933 event pairs, 18 based on Foata normal form. 5/1222 useless extension candidates. Maximal degree in co-relation 18508. Up to 791 conditions per place. [2021-03-26 05:24:08,821 INFO L132 encePairwiseOnDemand]: 145/158 looper letters, 567 selfloop transitions, 47 changer transitions 2/634 dead transitions. [2021-03-26 05:24:08,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 643 places, 634 transitions, 22178 flow [2021-03-26 05:24:08,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:24:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:24:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 686 transitions. [2021-03-26 05:24:08,822 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3339824732229795 [2021-03-26 05:24:08,822 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 686 transitions. [2021-03-26 05:24:08,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 686 transitions. [2021-03-26 05:24:08,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:08,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 686 transitions. [2021-03-26 05:24:08,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.76923076923077) internal successors, (686), 13 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:08,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 158.0) internal successors, (2212), 14 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:08,823 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 158.0) internal successors, (2212), 14 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:08,823 INFO L185 Difference]: Start difference. First operand has 631 places, 626 transitions, 20742 flow. Second operand 13 states and 686 transitions. [2021-03-26 05:24:08,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 643 places, 634 transitions, 22178 flow [2021-03-26 05:24:09,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 631 places, 634 transitions, 21778 flow, removed 51 selfloop flow, removed 12 redundant places. [2021-03-26 05:24:09,713 INFO L241 Difference]: Finished difference. Result has 634 places, 626 transitions, 20484 flow [2021-03-26 05:24:09,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=20350, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20484, PETRI_PLACES=634, PETRI_TRANSITIONS=626} [2021-03-26 05:24:09,713 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 581 predicate places. [2021-03-26 05:24:09,713 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:09,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 634 places, 626 transitions, 20484 flow [2021-03-26 05:24:09,714 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 634 places, 626 transitions, 20484 flow [2021-03-26 05:24:09,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 634 places, 626 transitions, 20484 flow [2021-03-26 05:24:10,014 INFO L129 PetriNetUnfolder]: 527/1315 cut-off events. [2021-03-26 05:24:10,014 INFO L130 PetriNetUnfolder]: For 110160/110226 co-relation queries the response was YES. [2021-03-26 05:24:10,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16806 conditions, 1315 events. 527/1315 cut-off events. For 110160/110226 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9469 event pairs, 8 based on Foata normal form. 5/1130 useless extension candidates. Maximal degree in co-relation 16524. Up to 265 conditions per place. [2021-03-26 05:24:10,058 INFO L142 LiptonReduction]: Number of co-enabled transitions 2254 [2021-03-26 05:24:10,100 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:10,100 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:10,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-03-26 05:24:10,101 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 626 transitions, 20484 flow [2021-03-26 05:24:10,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:10,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:10,101 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:10,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable309 [2021-03-26 05:24:10,101 INFO L428 AbstractCegarLoop]: === Iteration 311 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:10,101 INFO L82 PathProgramCache]: Analyzing trace with hash -717045298, now seen corresponding path program 12 times [2021-03-26 05:24:10,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:10,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205560236] [2021-03-26 05:24:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:10,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:10,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:10,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:10,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:10,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:10,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:10,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:10,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:10,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:10,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:10,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:10,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:10,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:10,183 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:10,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:10,197 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:10,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:10,213 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:10,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:10,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205560236] [2021-03-26 05:24:10,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:10,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:10,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036436186] [2021-03-26 05:24:10,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:10,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:10,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:10,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:10,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 158 [2021-03-26 05:24:10,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 626 transitions, 20484 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:10,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:10,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 158 [2021-03-26 05:24:10,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:11,034 INFO L129 PetriNetUnfolder]: 589/1419 cut-off events. [2021-03-26 05:24:11,034 INFO L130 PetriNetUnfolder]: For 122469/122479 co-relation queries the response was YES. [2021-03-26 05:24:11,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18915 conditions, 1419 events. 589/1419 cut-off events. For 122469/122479 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9965 event pairs, 20 based on Foata normal form. 11/1231 useless extension candidates. Maximal degree in co-relation 18628. Up to 712 conditions per place. [2021-03-26 05:24:11,066 INFO L132 encePairwiseOnDemand]: 144/158 looper letters, 509 selfloop transitions, 108 changer transitions 6/641 dead transitions. [2021-03-26 05:24:11,066 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 641 transitions, 22308 flow [2021-03-26 05:24:11,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:24:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:24:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 700 transitions. [2021-03-26 05:24:11,067 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34079844206426485 [2021-03-26 05:24:11,067 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 700 transitions. [2021-03-26 05:24:11,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 700 transitions. [2021-03-26 05:24:11,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:11,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 700 transitions. [2021-03-26 05:24:11,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.84615384615385) internal successors, (700), 13 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:11,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 158.0) internal successors, (2212), 14 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:11,069 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 158.0) internal successors, (2212), 14 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:11,069 INFO L185 Difference]: Start difference. First operand has 634 places, 626 transitions, 20484 flow. Second operand 13 states and 700 transitions. [2021-03-26 05:24:11,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 641 transitions, 22308 flow [2021-03-26 05:24:12,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 641 transitions, 22173 flow, removed 18 selfloop flow, removed 12 redundant places. [2021-03-26 05:24:12,105 INFO L241 Difference]: Finished difference. Result has 637 places, 625 transitions, 20739 flow [2021-03-26 05:24:12,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=20349, PETRI_DIFFERENCE_MINUEND_PLACES=622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20739, PETRI_PLACES=637, PETRI_TRANSITIONS=625} [2021-03-26 05:24:12,105 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 584 predicate places. [2021-03-26 05:24:12,105 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:12,105 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 637 places, 625 transitions, 20739 flow [2021-03-26 05:24:12,105 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 637 places, 625 transitions, 20739 flow [2021-03-26 05:24:12,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 635 places, 625 transitions, 20739 flow [2021-03-26 05:24:12,396 INFO L129 PetriNetUnfolder]: 536/1337 cut-off events. [2021-03-26 05:24:12,396 INFO L130 PetriNetUnfolder]: For 125800/125806 co-relation queries the response was YES. [2021-03-26 05:24:12,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17416 conditions, 1337 events. 536/1337 cut-off events. For 125800/125806 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9758 event pairs, 8 based on Foata normal form. 4/1149 useless extension candidates. Maximal degree in co-relation 17133. Up to 275 conditions per place. [2021-03-26 05:24:12,443 INFO L142 LiptonReduction]: Number of co-enabled transitions 2272 [2021-03-26 05:24:12,488 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:12,488 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:12,488 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 383 [2021-03-26 05:24:12,488 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 625 transitions, 20739 flow [2021-03-26 05:24:12,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:12,488 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:12,488 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:12,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable310 [2021-03-26 05:24:12,488 INFO L428 AbstractCegarLoop]: === Iteration 312 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:12,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:12,489 INFO L82 PathProgramCache]: Analyzing trace with hash 411504782, now seen corresponding path program 13 times [2021-03-26 05:24:12,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:12,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059136200] [2021-03-26 05:24:12,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:12,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:12,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:12,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:12,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:12,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:12,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:12,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:12,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:12,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:12,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:12,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:12,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:12,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:12,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:12,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:12,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:12,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:12,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:12,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:12,592 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:12,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:12,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059136200] [2021-03-26 05:24:12,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:12,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:12,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030916525] [2021-03-26 05:24:12,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:12,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:12,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:12,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:12,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 158 [2021-03-26 05:24:12,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 625 transitions, 20739 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:12,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:12,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 158 [2021-03-26 05:24:12,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:13,399 INFO L129 PetriNetUnfolder]: 584/1413 cut-off events. [2021-03-26 05:24:13,399 INFO L130 PetriNetUnfolder]: For 126514/126518 co-relation queries the response was YES. [2021-03-26 05:24:13,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19038 conditions, 1413 events. 584/1413 cut-off events. For 126514/126518 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10002 event pairs, 18 based on Foata normal form. 5/1220 useless extension candidates. Maximal degree in co-relation 18750. Up to 749 conditions per place. [2021-03-26 05:24:13,430 INFO L132 encePairwiseOnDemand]: 144/158 looper letters, 524 selfloop transitions, 94 changer transitions 0/636 dead transitions. [2021-03-26 05:24:13,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 636 transitions, 22448 flow [2021-03-26 05:24:13,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:24:13,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:24:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 644 transitions. [2021-03-26 05:24:13,432 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.339662447257384 [2021-03-26 05:24:13,432 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 644 transitions. [2021-03-26 05:24:13,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 644 transitions. [2021-03-26 05:24:13,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:13,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 644 transitions. [2021-03-26 05:24:13,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.666666666666664) internal successors, (644), 12 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:13,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 158.0) internal successors, (2054), 13 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:13,433 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 158.0) internal successors, (2054), 13 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:13,433 INFO L185 Difference]: Start difference. First operand has 635 places, 625 transitions, 20739 flow. Second operand 12 states and 644 transitions. [2021-03-26 05:24:13,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 636 transitions, 22448 flow [2021-03-26 05:24:14,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 636 transitions, 21904 flow, removed 205 selfloop flow, removed 9 redundant places. [2021-03-26 05:24:14,443 INFO L241 Difference]: Finished difference. Result has 640 places, 629 transitions, 20884 flow [2021-03-26 05:24:14,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=20337, PETRI_DIFFERENCE_MINUEND_PLACES=626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20884, PETRI_PLACES=640, PETRI_TRANSITIONS=629} [2021-03-26 05:24:14,443 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 587 predicate places. [2021-03-26 05:24:14,443 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:14,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 629 transitions, 20884 flow [2021-03-26 05:24:14,443 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 629 transitions, 20884 flow [2021-03-26 05:24:14,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 629 transitions, 20884 flow [2021-03-26 05:24:14,726 INFO L129 PetriNetUnfolder]: 518/1310 cut-off events. [2021-03-26 05:24:14,726 INFO L130 PetriNetUnfolder]: For 114866/114964 co-relation queries the response was YES. [2021-03-26 05:24:14,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16804 conditions, 1310 events. 518/1310 cut-off events. For 114866/114964 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9575 event pairs, 6 based on Foata normal form. 14/1134 useless extension candidates. Maximal degree in co-relation 16519. Up to 263 conditions per place. [2021-03-26 05:24:14,770 INFO L142 LiptonReduction]: Number of co-enabled transitions 2300 [2021-03-26 05:24:14,899 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:24:14,899 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:24:14,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 456 [2021-03-26 05:24:14,899 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 629 transitions, 20957 flow [2021-03-26 05:24:14,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:14,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:14,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:14,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable311 [2021-03-26 05:24:14,899 INFO L428 AbstractCegarLoop]: === Iteration 313 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:14,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:14,900 INFO L82 PathProgramCache]: Analyzing trace with hash -329085828, now seen corresponding path program 14 times [2021-03-26 05:24:14,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:14,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564332556] [2021-03-26 05:24:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:14,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:14,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:14,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:14,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:14,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:14,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:14,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:14,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:14,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:14,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:14,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:14,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:14,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:14,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:14,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:14,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:14,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:14,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:14,996 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:14,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:15,004 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:15,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:15,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564332556] [2021-03-26 05:24:15,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:15,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:15,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945926374] [2021-03-26 05:24:15,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:15,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:15,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:15,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:15,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 159 [2021-03-26 05:24:15,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 629 transitions, 20957 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:15,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:15,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 159 [2021-03-26 05:24:15,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:15,840 INFO L129 PetriNetUnfolder]: 587/1426 cut-off events. [2021-03-26 05:24:15,840 INFO L130 PetriNetUnfolder]: For 121432/121438 co-relation queries the response was YES. [2021-03-26 05:24:15,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19057 conditions, 1426 events. 587/1426 cut-off events. For 121432/121438 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10147 event pairs, 11 based on Foata normal form. 7/1232 useless extension candidates. Maximal degree in co-relation 18767. Up to 754 conditions per place. [2021-03-26 05:24:15,873 INFO L132 encePairwiseOnDemand]: 145/159 looper letters, 519 selfloop transitions, 103 changer transitions 0/640 dead transitions. [2021-03-26 05:24:15,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 640 transitions, 22470 flow [2021-03-26 05:24:15,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:24:15,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:24:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 699 transitions. [2021-03-26 05:24:15,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3381712626995646 [2021-03-26 05:24:15,875 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 699 transitions. [2021-03-26 05:24:15,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 699 transitions. [2021-03-26 05:24:15,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:15,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 699 transitions. [2021-03-26 05:24:15,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.76923076923077) internal successors, (699), 13 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:15,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:15,876 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:15,876 INFO L185 Difference]: Start difference. First operand has 640 places, 629 transitions, 20957 flow. Second operand 13 states and 699 transitions. [2021-03-26 05:24:15,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 640 transitions, 22470 flow [2021-03-26 05:24:16,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 640 transitions, 21938 flow, removed 169 selfloop flow, removed 9 redundant places. [2021-03-26 05:24:16,883 INFO L241 Difference]: Finished difference. Result has 646 places, 632 transitions, 20922 flow [2021-03-26 05:24:16,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=20447, PETRI_DIFFERENCE_MINUEND_PLACES=631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20922, PETRI_PLACES=646, PETRI_TRANSITIONS=632} [2021-03-26 05:24:16,883 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 593 predicate places. [2021-03-26 05:24:16,884 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:16,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 632 transitions, 20922 flow [2021-03-26 05:24:16,884 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 632 transitions, 20922 flow [2021-03-26 05:24:16,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 646 places, 632 transitions, 20922 flow [2021-03-26 05:24:17,196 INFO L129 PetriNetUnfolder]: 539/1353 cut-off events. [2021-03-26 05:24:17,197 INFO L130 PetriNetUnfolder]: For 122121/122207 co-relation queries the response was YES. [2021-03-26 05:24:17,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17181 conditions, 1353 events. 539/1353 cut-off events. For 122121/122207 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9928 event pairs, 16 based on Foata normal form. 13/1163 useless extension candidates. Maximal degree in co-relation 16893. Up to 264 conditions per place. [2021-03-26 05:24:17,244 INFO L142 LiptonReduction]: Number of co-enabled transitions 2324 [2021-03-26 05:24:17,288 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:17,288 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:17,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-03-26 05:24:17,289 INFO L480 AbstractCegarLoop]: Abstraction has has 646 places, 632 transitions, 20922 flow [2021-03-26 05:24:17,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:17,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:17,289 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:17,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable312 [2021-03-26 05:24:17,289 INFO L428 AbstractCegarLoop]: === Iteration 314 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:17,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:17,289 INFO L82 PathProgramCache]: Analyzing trace with hash 281140456, now seen corresponding path program 15 times [2021-03-26 05:24:17,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:17,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125373914] [2021-03-26 05:24:17,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:17,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:17,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:17,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:17,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:17,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:17,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:17,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:17,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:17,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:17,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:17,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:17,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:17,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:17,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:17,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:17,372 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:17,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:17,386 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:17,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:17,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125373914] [2021-03-26 05:24:17,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:17,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:17,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021057788] [2021-03-26 05:24:17,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:17,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:17,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:17,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:17,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 159 [2021-03-26 05:24:17,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 632 transitions, 20922 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:17,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:17,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 159 [2021-03-26 05:24:17,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:18,202 INFO L129 PetriNetUnfolder]: 590/1437 cut-off events. [2021-03-26 05:24:18,202 INFO L130 PetriNetUnfolder]: For 125288/125294 co-relation queries the response was YES. [2021-03-26 05:24:18,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19026 conditions, 1437 events. 590/1437 cut-off events. For 125288/125294 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10281 event pairs, 9 based on Foata normal form. 7/1239 useless extension candidates. Maximal degree in co-relation 18733. Up to 759 conditions per place. [2021-03-26 05:24:18,237 INFO L132 encePairwiseOnDemand]: 145/159 looper letters, 523 selfloop transitions, 89 changer transitions 10/640 dead transitions. [2021-03-26 05:24:18,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 640 transitions, 22344 flow [2021-03-26 05:24:18,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:24:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:24:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 744 transitions. [2021-03-26 05:24:18,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33423180592991913 [2021-03-26 05:24:18,238 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 744 transitions. [2021-03-26 05:24:18,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 744 transitions. [2021-03-26 05:24:18,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:18,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 744 transitions. [2021-03-26 05:24:18,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.142857142857146) internal successors, (744), 14 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:18,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:18,240 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:18,240 INFO L185 Difference]: Start difference. First operand has 646 places, 632 transitions, 20922 flow. Second operand 14 states and 744 transitions. [2021-03-26 05:24:18,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 640 transitions, 22344 flow [2021-03-26 05:24:19,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 640 transitions, 22031 flow, removed 65 selfloop flow, removed 10 redundant places. [2021-03-26 05:24:19,262 INFO L241 Difference]: Finished difference. Result has 651 places, 623 transitions, 20707 flow [2021-03-26 05:24:19,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=20609, PETRI_DIFFERENCE_MINUEND_PLACES=636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=632, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20707, PETRI_PLACES=651, PETRI_TRANSITIONS=623} [2021-03-26 05:24:19,262 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 598 predicate places. [2021-03-26 05:24:19,262 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:19,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 623 transitions, 20707 flow [2021-03-26 05:24:19,262 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 623 transitions, 20707 flow [2021-03-26 05:24:19,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 646 places, 623 transitions, 20707 flow [2021-03-26 05:24:19,553 INFO L129 PetriNetUnfolder]: 526/1333 cut-off events. [2021-03-26 05:24:19,554 INFO L130 PetriNetUnfolder]: For 114255/114323 co-relation queries the response was YES. [2021-03-26 05:24:19,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17058 conditions, 1333 events. 526/1333 cut-off events. For 114255/114323 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9760 event pairs, 16 based on Foata normal form. 5/1140 useless extension candidates. Maximal degree in co-relation 16768. Up to 259 conditions per place. [2021-03-26 05:24:19,602 INFO L142 LiptonReduction]: Number of co-enabled transitions 2252 [2021-03-26 05:24:19,648 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:19,648 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:19,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 386 [2021-03-26 05:24:19,648 INFO L480 AbstractCegarLoop]: Abstraction has has 646 places, 623 transitions, 20707 flow [2021-03-26 05:24:19,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:19,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:19,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:19,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313 [2021-03-26 05:24:19,649 INFO L428 AbstractCegarLoop]: === Iteration 315 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:19,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:19,649 INFO L82 PathProgramCache]: Analyzing trace with hash 920530134, now seen corresponding path program 16 times [2021-03-26 05:24:19,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:19,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106656414] [2021-03-26 05:24:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:19,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:19,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:19,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:19,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:19,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:19,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:19,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:19,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:19,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:19,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:19,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:19,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:19,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:19,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:19,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:19,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:19,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:19,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:19,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:19,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:19,761 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:19,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:19,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106656414] [2021-03-26 05:24:19,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:19,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:19,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716407722] [2021-03-26 05:24:19,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:19,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:19,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:19,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:19,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 159 [2021-03-26 05:24:19,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 623 transitions, 20707 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:19,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:19,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 159 [2021-03-26 05:24:19,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:20,602 INFO L129 PetriNetUnfolder]: 584/1425 cut-off events. [2021-03-26 05:24:20,602 INFO L130 PetriNetUnfolder]: For 121001/121011 co-relation queries the response was YES. [2021-03-26 05:24:20,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18925 conditions, 1425 events. 584/1425 cut-off events. For 121001/121011 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 10133 event pairs, 20 based on Foata normal form. 11/1233 useless extension candidates. Maximal degree in co-relation 18630. Up to 738 conditions per place. [2021-03-26 05:24:20,635 INFO L132 encePairwiseOnDemand]: 145/159 looper letters, 507 selfloop transitions, 108 changer transitions 0/633 dead transitions. [2021-03-26 05:24:20,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 633 transitions, 22166 flow [2021-03-26 05:24:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:24:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:24:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 746 transitions. [2021-03-26 05:24:20,637 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33513027852650495 [2021-03-26 05:24:20,637 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 746 transitions. [2021-03-26 05:24:20,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 746 transitions. [2021-03-26 05:24:20,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:20,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 746 transitions. [2021-03-26 05:24:20,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.285714285714285) internal successors, (746), 14 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:20,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:20,638 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:20,638 INFO L185 Difference]: Start difference. First operand has 646 places, 623 transitions, 20707 flow. Second operand 14 states and 746 transitions. [2021-03-26 05:24:20,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 633 transitions, 22166 flow [2021-03-26 05:24:21,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 633 transitions, 21835 flow, removed 24 selfloop flow, removed 20 redundant places. [2021-03-26 05:24:21,654 INFO L241 Difference]: Finished difference. Result has 642 places, 625 transitions, 20855 flow [2021-03-26 05:24:21,655 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=20382, PETRI_DIFFERENCE_MINUEND_PLACES=626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20855, PETRI_PLACES=642, PETRI_TRANSITIONS=625} [2021-03-26 05:24:21,655 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 589 predicate places. [2021-03-26 05:24:21,655 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:21,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 642 places, 625 transitions, 20855 flow [2021-03-26 05:24:21,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 642 places, 625 transitions, 20855 flow [2021-03-26 05:24:21,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 642 places, 625 transitions, 20855 flow [2021-03-26 05:24:21,934 INFO L129 PetriNetUnfolder]: 538/1366 cut-off events. [2021-03-26 05:24:21,934 INFO L130 PetriNetUnfolder]: For 115668/115671 co-relation queries the response was YES. [2021-03-26 05:24:21,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17312 conditions, 1366 events. 538/1366 cut-off events. For 115668/115671 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10049 event pairs, 13 based on Foata normal form. 2/1167 useless extension candidates. Maximal degree in co-relation 17027. Up to 267 conditions per place. [2021-03-26 05:24:21,977 INFO L142 LiptonReduction]: Number of co-enabled transitions 2272 [2021-03-26 05:24:22,022 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:22,022 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:22,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 367 [2021-03-26 05:24:22,022 INFO L480 AbstractCegarLoop]: Abstraction has has 642 places, 625 transitions, 20855 flow [2021-03-26 05:24:22,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:22,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:22,023 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:22,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable314 [2021-03-26 05:24:22,023 INFO L428 AbstractCegarLoop]: === Iteration 316 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:22,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:22,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1275320828, now seen corresponding path program 17 times [2021-03-26 05:24:22,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:22,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980416405] [2021-03-26 05:24:22,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:22,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:22,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:22,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:22,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:22,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:22,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:22,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:22,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:22,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:22,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:22,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:22,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:22,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:22,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:22,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:22,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:22,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:22,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:22,123 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:22,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:22,139 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:22,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:22,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:22,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980416405] [2021-03-26 05:24:22,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:22,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:22,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164664698] [2021-03-26 05:24:22,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:22,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:22,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:22,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:22,142 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 159 [2021-03-26 05:24:22,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 625 transitions, 20855 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:22,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:22,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 159 [2021-03-26 05:24:22,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:22,925 INFO L129 PetriNetUnfolder]: 589/1447 cut-off events. [2021-03-26 05:24:22,925 INFO L130 PetriNetUnfolder]: For 117743/117749 co-relation queries the response was YES. [2021-03-26 05:24:22,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18871 conditions, 1447 events. 589/1447 cut-off events. For 117743/117749 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10415 event pairs, 11 based on Foata normal form. 7/1246 useless extension candidates. Maximal degree in co-relation 18581. Up to 788 conditions per place. [2021-03-26 05:24:22,959 INFO L132 encePairwiseOnDemand]: 144/159 looper letters, 568 selfloop transitions, 45 changer transitions 7/638 dead transitions. [2021-03-26 05:24:22,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 638 transitions, 22285 flow [2021-03-26 05:24:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:24:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:24:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 690 transitions. [2021-03-26 05:24:22,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33381712626995647 [2021-03-26 05:24:22,960 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 690 transitions. [2021-03-26 05:24:22,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 690 transitions. [2021-03-26 05:24:22,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:22,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 690 transitions. [2021-03-26 05:24:22,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.07692307692308) internal successors, (690), 13 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:22,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:22,962 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:22,962 INFO L185 Difference]: Start difference. First operand has 642 places, 625 transitions, 20855 flow. Second operand 13 states and 690 transitions. [2021-03-26 05:24:22,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 638 transitions, 22285 flow [2021-03-26 05:24:23,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 638 transitions, 21927 flow, removed 68 selfloop flow, removed 12 redundant places. [2021-03-26 05:24:23,947 INFO L241 Difference]: Finished difference. Result has 647 places, 624 transitions, 20581 flow [2021-03-26 05:24:23,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=20499, PETRI_DIFFERENCE_MINUEND_PLACES=630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20581, PETRI_PLACES=647, PETRI_TRANSITIONS=624} [2021-03-26 05:24:23,947 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 594 predicate places. [2021-03-26 05:24:23,947 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:23,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 647 places, 624 transitions, 20581 flow [2021-03-26 05:24:23,947 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 647 places, 624 transitions, 20581 flow [2021-03-26 05:24:23,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 624 transitions, 20581 flow [2021-03-26 05:24:24,259 INFO L129 PetriNetUnfolder]: 543/1362 cut-off events. [2021-03-26 05:24:24,259 INFO L130 PetriNetUnfolder]: For 118394/118463 co-relation queries the response was YES. [2021-03-26 05:24:24,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17190 conditions, 1362 events. 543/1362 cut-off events. For 118394/118463 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10031 event pairs, 14 based on Foata normal form. 6/1165 useless extension candidates. Maximal degree in co-relation 16922. Up to 268 conditions per place. [2021-03-26 05:24:24,306 INFO L142 LiptonReduction]: Number of co-enabled transitions 2272 [2021-03-26 05:24:24,348 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:24,348 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:24,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 401 [2021-03-26 05:24:24,348 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 624 transitions, 20581 flow [2021-03-26 05:24:24,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:24,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:24,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:24,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315 [2021-03-26 05:24:24,349 INFO L428 AbstractCegarLoop]: === Iteration 317 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:24,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:24,349 INFO L82 PathProgramCache]: Analyzing trace with hash 382964046, now seen corresponding path program 18 times [2021-03-26 05:24:24,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:24,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167199474] [2021-03-26 05:24:24,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:24,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:24,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:24,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:24,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:24,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:24,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:24,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:24,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:24,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:24,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:24,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:24,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:24,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:24,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:24,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:24,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:24,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:24,450 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:24,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:24,465 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:24,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:24,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167199474] [2021-03-26 05:24:24,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:24,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:24,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728159267] [2021-03-26 05:24:24,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:24,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:24,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:24,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:24,469 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 159 [2021-03-26 05:24:24,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 624 transitions, 20581 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:24,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:24,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 159 [2021-03-26 05:24:24,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:25,307 INFO L129 PetriNetUnfolder]: 586/1433 cut-off events. [2021-03-26 05:24:25,307 INFO L130 PetriNetUnfolder]: For 114715/114721 co-relation queries the response was YES. [2021-03-26 05:24:25,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18638 conditions, 1433 events. 586/1433 cut-off events. For 114715/114721 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 10265 event pairs, 10 based on Foata normal form. 7/1234 useless extension candidates. Maximal degree in co-relation 18368. Up to 771 conditions per place. [2021-03-26 05:24:25,341 INFO L132 encePairwiseOnDemand]: 145/159 looper letters, 549 selfloop transitions, 63 changer transitions 5/635 dead transitions. [2021-03-26 05:24:25,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 635 transitions, 21932 flow [2021-03-26 05:24:25,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:24:25,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:24:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 750 transitions. [2021-03-26 05:24:25,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33692722371967654 [2021-03-26 05:24:25,343 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 750 transitions. [2021-03-26 05:24:25,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 750 transitions. [2021-03-26 05:24:25,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:25,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 750 transitions. [2021-03-26 05:24:25,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.57142857142857) internal successors, (750), 14 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:25,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:25,344 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:25,344 INFO L185 Difference]: Start difference. First operand has 643 places, 624 transitions, 20581 flow. Second operand 14 states and 750 transitions. [2021-03-26 05:24:25,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 635 transitions, 21932 flow [2021-03-26 05:24:26,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 635 transitions, 21826 flow, removed 5 selfloop flow, removed 12 redundant places. [2021-03-26 05:24:26,256 INFO L241 Difference]: Finished difference. Result has 646 places, 620 transitions, 20491 flow [2021-03-26 05:24:26,256 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=20477, PETRI_DIFFERENCE_MINUEND_PLACES=631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=624, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20491, PETRI_PLACES=646, PETRI_TRANSITIONS=620} [2021-03-26 05:24:26,256 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 593 predicate places. [2021-03-26 05:24:26,256 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:26,256 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 620 transitions, 20491 flow [2021-03-26 05:24:26,256 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 620 transitions, 20491 flow [2021-03-26 05:24:26,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 620 transitions, 20491 flow [2021-03-26 05:24:26,546 INFO L129 PetriNetUnfolder]: 530/1339 cut-off events. [2021-03-26 05:24:26,546 INFO L130 PetriNetUnfolder]: For 111807/111812 co-relation queries the response was YES. [2021-03-26 05:24:26,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17013 conditions, 1339 events. 530/1339 cut-off events. For 111807/111812 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9763 event pairs, 8 based on Foata normal form. 4/1147 useless extension candidates. Maximal degree in co-relation 16727. Up to 265 conditions per place. [2021-03-26 05:24:26,593 INFO L142 LiptonReduction]: Number of co-enabled transitions 2248 [2021-03-26 05:24:26,637 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:26,637 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:26,637 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 05:24:26,638 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 620 transitions, 20491 flow [2021-03-26 05:24:26,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:26,638 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:26,638 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:26,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316 [2021-03-26 05:24:26,638 INFO L428 AbstractCegarLoop]: === Iteration 318 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:26,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:26,638 INFO L82 PathProgramCache]: Analyzing trace with hash 977762192, now seen corresponding path program 19 times [2021-03-26 05:24:26,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:26,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747280550] [2021-03-26 05:24:26,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:26,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:26,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:26,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:26,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:26,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:26,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:26,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:26,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:26,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:26,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:26,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:26,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:26,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:26,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:26,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:26,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:26,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:26,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:26,736 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:26,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:26,752 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:26,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:26,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747280550] [2021-03-26 05:24:26,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:26,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:26,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933513953] [2021-03-26 05:24:26,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:26,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:26,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:26,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:26,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 159 [2021-03-26 05:24:26,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 620 transitions, 20491 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:26,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:26,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 159 [2021-03-26 05:24:26,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:27,567 INFO L129 PetriNetUnfolder]: 585/1432 cut-off events. [2021-03-26 05:24:27,567 INFO L130 PetriNetUnfolder]: For 113887/113897 co-relation queries the response was YES. [2021-03-26 05:24:27,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18641 conditions, 1432 events. 585/1432 cut-off events. For 113887/113897 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10238 event pairs, 20 based on Foata normal form. 11/1237 useless extension candidates. Maximal degree in co-relation 18350. Up to 780 conditions per place. [2021-03-26 05:24:27,597 INFO L132 encePairwiseOnDemand]: 146/159 looper letters, 559 selfloop transitions, 51 changer transitions 5/633 dead transitions. [2021-03-26 05:24:27,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 655 places, 633 transitions, 21914 flow [2021-03-26 05:24:27,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:24:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:24:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 691 transitions. [2021-03-26 05:24:27,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33430091920657956 [2021-03-26 05:24:27,599 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 691 transitions. [2021-03-26 05:24:27,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 691 transitions. [2021-03-26 05:24:27,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:27,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 691 transitions. [2021-03-26 05:24:27,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.15384615384615) internal successors, (691), 13 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:27,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:27,600 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:27,600 INFO L185 Difference]: Start difference. First operand has 643 places, 620 transitions, 20491 flow. Second operand 13 states and 691 transitions. [2021-03-26 05:24:27,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 655 places, 633 transitions, 21914 flow [2021-03-26 05:24:28,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 633 transitions, 21764 flow, removed 9 selfloop flow, removed 14 redundant places. [2021-03-26 05:24:28,587 INFO L241 Difference]: Finished difference. Result has 644 places, 619 transitions, 20445 flow [2021-03-26 05:24:28,588 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=20343, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20445, PETRI_PLACES=644, PETRI_TRANSITIONS=619} [2021-03-26 05:24:28,588 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 591 predicate places. [2021-03-26 05:24:28,588 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:28,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 619 transitions, 20445 flow [2021-03-26 05:24:28,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 619 transitions, 20445 flow [2021-03-26 05:24:28,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 619 transitions, 20445 flow [2021-03-26 05:24:28,877 INFO L129 PetriNetUnfolder]: 535/1344 cut-off events. [2021-03-26 05:24:28,877 INFO L130 PetriNetUnfolder]: For 117097/117143 co-relation queries the response was YES. [2021-03-26 05:24:28,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17159 conditions, 1344 events. 535/1344 cut-off events. For 117097/117143 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9818 event pairs, 17 based on Foata normal form. 5/1152 useless extension candidates. Maximal degree in co-relation 16874. Up to 267 conditions per place. [2021-03-26 05:24:28,924 INFO L142 LiptonReduction]: Number of co-enabled transitions 2248 [2021-03-26 05:24:28,969 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:28,969 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:28,969 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 05:24:28,969 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 619 transitions, 20445 flow [2021-03-26 05:24:28,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:28,969 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:28,969 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:28,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317 [2021-03-26 05:24:28,969 INFO L428 AbstractCegarLoop]: === Iteration 319 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:28,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:28,970 INFO L82 PathProgramCache]: Analyzing trace with hash -116203858, now seen corresponding path program 20 times [2021-03-26 05:24:28,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:28,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353926203] [2021-03-26 05:24:28,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:28,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:28,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:28,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:29,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:29,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:29,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:29,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:29,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:29,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:29,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:29,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:29,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:29,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:29,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:29,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:29,054 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:29,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:29,068 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:29,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:29,083 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:24:29,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:29,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353926203] [2021-03-26 05:24:29,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:29,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:29,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913876828] [2021-03-26 05:24:29,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:29,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:29,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:29,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:29,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 159 [2021-03-26 05:24:29,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 619 transitions, 20445 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:29,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:29,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 159 [2021-03-26 05:24:29,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:29,884 INFO L129 PetriNetUnfolder]: 577/1408 cut-off events. [2021-03-26 05:24:29,884 INFO L130 PetriNetUnfolder]: For 113936/113942 co-relation queries the response was YES. [2021-03-26 05:24:29,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18547 conditions, 1408 events. 577/1408 cut-off events. For 113936/113942 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10029 event pairs, 11 based on Foata normal form. 7/1216 useless extension candidates. Maximal degree in co-relation 18257. Up to 769 conditions per place. [2021-03-26 05:24:29,917 INFO L132 encePairwiseOnDemand]: 145/159 looper letters, 537 selfloop transitions, 65 changer transitions 9/629 dead transitions. [2021-03-26 05:24:29,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 629 transitions, 21802 flow [2021-03-26 05:24:29,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:24:29,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:24:29,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 745 transitions. [2021-03-26 05:24:29,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33468104222821204 [2021-03-26 05:24:29,919 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 745 transitions. [2021-03-26 05:24:29,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 745 transitions. [2021-03-26 05:24:29,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:29,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 745 transitions. [2021-03-26 05:24:29,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.214285714285715) internal successors, (745), 14 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:29,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:29,920 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:29,920 INFO L185 Difference]: Start difference. First operand has 643 places, 619 transitions, 20445 flow. Second operand 14 states and 745 transitions. [2021-03-26 05:24:29,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 629 transitions, 21802 flow [2021-03-26 05:24:30,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 629 transitions, 21680 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-26 05:24:30,889 INFO L241 Difference]: Finished difference. Result has 645 places, 611 transitions, 20254 flow [2021-03-26 05:24:30,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=20325, PETRI_DIFFERENCE_MINUEND_PLACES=630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=619, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20254, PETRI_PLACES=645, PETRI_TRANSITIONS=611} [2021-03-26 05:24:30,889 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 592 predicate places. [2021-03-26 05:24:30,889 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:30,889 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 645 places, 611 transitions, 20254 flow [2021-03-26 05:24:30,889 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 645 places, 611 transitions, 20254 flow [2021-03-26 05:24:30,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 644 places, 611 transitions, 20254 flow [2021-03-26 05:24:31,183 INFO L129 PetriNetUnfolder]: 520/1315 cut-off events. [2021-03-26 05:24:31,183 INFO L130 PetriNetUnfolder]: For 109352/109421 co-relation queries the response was YES. [2021-03-26 05:24:31,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16548 conditions, 1315 events. 520/1315 cut-off events. For 109352/109421 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9590 event pairs, 14 based on Foata normal form. 7/1125 useless extension candidates. Maximal degree in co-relation 16263. Up to 255 conditions per place. [2021-03-26 05:24:31,227 INFO L142 LiptonReduction]: Number of co-enabled transitions 2246 [2021-03-26 05:24:31,352 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:31,352 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:24:31,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-03-26 05:24:31,352 INFO L480 AbstractCegarLoop]: Abstraction has has 644 places, 611 transitions, 20256 flow [2021-03-26 05:24:31,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:31,352 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:31,352 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:31,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable318 [2021-03-26 05:24:31,352 INFO L428 AbstractCegarLoop]: === Iteration 320 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:31,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:31,353 INFO L82 PathProgramCache]: Analyzing trace with hash 468736840, now seen corresponding path program 21 times [2021-03-26 05:24:31,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:31,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837127637] [2021-03-26 05:24:31,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:31,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:31,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:31,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:31,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:31,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:31,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:31,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:31,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:31,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:31,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:31,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:31,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:31,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:31,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:31,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:31,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:31,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:31,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:31,452 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:31,469 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:31,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:31,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837127637] [2021-03-26 05:24:31,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:31,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:31,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803306023] [2021-03-26 05:24:31,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:31,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:31,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:31,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:31,472 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:31,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 611 transitions, 20256 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:31,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:31,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:31,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:32,289 INFO L129 PetriNetUnfolder]: 579/1410 cut-off events. [2021-03-26 05:24:32,289 INFO L130 PetriNetUnfolder]: For 115251/115255 co-relation queries the response was YES. [2021-03-26 05:24:32,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18445 conditions, 1410 events. 579/1410 cut-off events. For 115251/115255 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9980 event pairs, 18 based on Foata normal form. 5/1212 useless extension candidates. Maximal degree in co-relation 18155. Up to 738 conditions per place. [2021-03-26 05:24:32,324 INFO L132 encePairwiseOnDemand]: 145/160 looper letters, 517 selfloop transitions, 75 changer transitions 9/619 dead transitions. [2021-03-26 05:24:32,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 619 transitions, 21541 flow [2021-03-26 05:24:32,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:24:32,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:24:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 739 transitions. [2021-03-26 05:24:32,325 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3299107142857143 [2021-03-26 05:24:32,325 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 739 transitions. [2021-03-26 05:24:32,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 739 transitions. [2021-03-26 05:24:32,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:32,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 739 transitions. [2021-03-26 05:24:32,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.785714285714285) internal successors, (739), 14 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:32,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:32,327 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:32,327 INFO L185 Difference]: Start difference. First operand has 644 places, 611 transitions, 20256 flow. Second operand 14 states and 739 transitions. [2021-03-26 05:24:32,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 619 transitions, 21541 flow [2021-03-26 05:24:33,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 619 transitions, 21114 flow, removed 74 selfloop flow, removed 27 redundant places. [2021-03-26 05:24:33,273 INFO L241 Difference]: Finished difference. Result has 632 places, 603 transitions, 19780 flow [2021-03-26 05:24:33,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=19829, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19780, PETRI_PLACES=632, PETRI_TRANSITIONS=603} [2021-03-26 05:24:33,274 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 579 predicate places. [2021-03-26 05:24:33,274 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:33,274 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 632 places, 603 transitions, 19780 flow [2021-03-26 05:24:33,274 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 632 places, 603 transitions, 19780 flow [2021-03-26 05:24:33,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 626 places, 603 transitions, 19780 flow [2021-03-26 05:24:33,536 INFO L129 PetriNetUnfolder]: 523/1317 cut-off events. [2021-03-26 05:24:33,536 INFO L130 PetriNetUnfolder]: For 105421/105424 co-relation queries the response was YES. [2021-03-26 05:24:33,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16579 conditions, 1317 events. 523/1317 cut-off events. For 105421/105424 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9550 event pairs, 6 based on Foata normal form. 2/1126 useless extension candidates. Maximal degree in co-relation 16302. Up to 263 conditions per place. [2021-03-26 05:24:33,576 INFO L142 LiptonReduction]: Number of co-enabled transitions 2214 [2021-03-26 05:24:33,616 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:33,617 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:33,617 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 343 [2021-03-26 05:24:33,617 INFO L480 AbstractCegarLoop]: Abstraction has has 626 places, 603 transitions, 19780 flow [2021-03-26 05:24:33,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:33,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:33,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:33,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable319 [2021-03-26 05:24:33,617 INFO L428 AbstractCegarLoop]: === Iteration 321 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:33,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:33,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1802673186, now seen corresponding path program 22 times [2021-03-26 05:24:33,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:33,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326359036] [2021-03-26 05:24:33,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:33,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:33,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:33,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:33,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:33,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:33,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:33,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:33,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:33,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:33,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:33,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:33,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:33,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:33,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:33,684 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:33,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:33,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:33,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:33,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:33,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:33,715 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:24:33,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:33,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326359036] [2021-03-26 05:24:33,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:33,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:33,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969974501] [2021-03-26 05:24:33,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:33,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:33,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:33,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:33,718 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:33,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 603 transitions, 19780 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:33,719 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:33,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:33,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:34,432 INFO L129 PetriNetUnfolder]: 570/1385 cut-off events. [2021-03-26 05:24:34,432 INFO L130 PetriNetUnfolder]: For 105438/105448 co-relation queries the response was YES. [2021-03-26 05:24:34,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18044 conditions, 1385 events. 570/1385 cut-off events. For 105438/105448 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9712 event pairs, 20 based on Foata normal form. 11/1199 useless extension candidates. Maximal degree in co-relation 17759. Up to 744 conditions per place. [2021-03-26 05:24:34,462 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 521 selfloop transitions, 61 changer transitions 10/610 dead transitions. [2021-03-26 05:24:34,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 637 places, 610 transitions, 21041 flow [2021-03-26 05:24:34,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:24:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:24:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 635 transitions. [2021-03-26 05:24:34,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3307291666666667 [2021-03-26 05:24:34,464 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 635 transitions. [2021-03-26 05:24:34,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 635 transitions. [2021-03-26 05:24:34,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:34,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 635 transitions. [2021-03-26 05:24:34,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.916666666666664) internal successors, (635), 12 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:34,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 160.0) internal successors, (2080), 13 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:34,465 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 160.0) internal successors, (2080), 13 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:34,465 INFO L185 Difference]: Start difference. First operand has 626 places, 603 transitions, 19780 flow. Second operand 12 states and 635 transitions. [2021-03-26 05:24:34,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 637 places, 610 transitions, 21041 flow [2021-03-26 05:24:35,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 610 transitions, 20817 flow, removed 5 selfloop flow, removed 14 redundant places. [2021-03-26 05:24:35,358 INFO L241 Difference]: Finished difference. Result has 625 places, 594 transitions, 19445 flow [2021-03-26 05:24:35,358 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=19558, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=603, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19445, PETRI_PLACES=625, PETRI_TRANSITIONS=594} [2021-03-26 05:24:35,358 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 572 predicate places. [2021-03-26 05:24:35,359 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:35,359 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 625 places, 594 transitions, 19445 flow [2021-03-26 05:24:35,359 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 625 places, 594 transitions, 19445 flow [2021-03-26 05:24:35,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 618 places, 594 transitions, 19445 flow [2021-03-26 05:24:35,630 INFO L129 PetriNetUnfolder]: 527/1316 cut-off events. [2021-03-26 05:24:35,630 INFO L130 PetriNetUnfolder]: For 102495/102561 co-relation queries the response was YES. [2021-03-26 05:24:35,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16418 conditions, 1316 events. 527/1316 cut-off events. For 102495/102561 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9465 event pairs, 8 based on Foata normal form. 4/1123 useless extension candidates. Maximal degree in co-relation 16145. Up to 259 conditions per place. [2021-03-26 05:24:35,676 INFO L142 LiptonReduction]: Number of co-enabled transitions 2214 [2021-03-26 05:24:35,717 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:35,717 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:35,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 358 [2021-03-26 05:24:35,717 INFO L480 AbstractCegarLoop]: Abstraction has has 618 places, 594 transitions, 19445 flow [2021-03-26 05:24:35,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:35,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:35,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:35,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable320 [2021-03-26 05:24:35,718 INFO L428 AbstractCegarLoop]: === Iteration 322 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:35,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:35,718 INFO L82 PathProgramCache]: Analyzing trace with hash -406624664, now seen corresponding path program 23 times [2021-03-26 05:24:35,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:35,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953343289] [2021-03-26 05:24:35,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:35,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:35,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:35,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:35,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:35,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:35,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:35,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:35,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:35,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:35,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:35,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:35,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:35,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:35,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:35,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:35,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:35,815 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:35,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:35,832 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:35,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:35,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:35,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953343289] [2021-03-26 05:24:35,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:35,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:35,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386056160] [2021-03-26 05:24:35,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:35,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:35,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:35,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:35,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:35,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 594 transitions, 19445 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:35,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:35,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:35,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:36,658 INFO L129 PetriNetUnfolder]: 569/1385 cut-off events. [2021-03-26 05:24:36,659 INFO L130 PetriNetUnfolder]: For 105099/105103 co-relation queries the response was YES. [2021-03-26 05:24:36,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17850 conditions, 1385 events. 569/1385 cut-off events. For 105099/105103 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9788 event pairs, 17 based on Foata normal form. 5/1190 useless extension candidates. Maximal degree in co-relation 17569. Up to 721 conditions per place. [2021-03-26 05:24:36,690 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 497 selfloop transitions, 83 changer transitions 7/605 dead transitions. [2021-03-26 05:24:36,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 605 transitions, 20738 flow [2021-03-26 05:24:36,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:24:36,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:24:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 799 transitions. [2021-03-26 05:24:36,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3329166666666667 [2021-03-26 05:24:36,692 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 799 transitions. [2021-03-26 05:24:36,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 799 transitions. [2021-03-26 05:24:36,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:36,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 799 transitions. [2021-03-26 05:24:36,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.266666666666666) internal successors, (799), 15 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:36,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:36,693 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:36,694 INFO L185 Difference]: Start difference. First operand has 618 places, 594 transitions, 19445 flow. Second operand 15 states and 799 transitions. [2021-03-26 05:24:36,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 605 transitions, 20738 flow [2021-03-26 05:24:37,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 605 transitions, 20523 flow, removed 3 selfloop flow, removed 15 redundant places. [2021-03-26 05:24:37,556 INFO L241 Difference]: Finished difference. Result has 619 places, 588 transitions, 19161 flow [2021-03-26 05:24:37,556 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=19232, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=19161, PETRI_PLACES=619, PETRI_TRANSITIONS=588} [2021-03-26 05:24:37,556 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 566 predicate places. [2021-03-26 05:24:37,556 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:37,556 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 619 places, 588 transitions, 19161 flow [2021-03-26 05:24:37,557 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 619 places, 588 transitions, 19161 flow [2021-03-26 05:24:37,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 616 places, 588 transitions, 19161 flow [2021-03-26 05:24:37,851 INFO L129 PetriNetUnfolder]: 498/1260 cut-off events. [2021-03-26 05:24:37,851 INFO L130 PetriNetUnfolder]: For 97076/97151 co-relation queries the response was YES. [2021-03-26 05:24:37,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15658 conditions, 1260 events. 498/1260 cut-off events. For 97076/97151 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9091 event pairs, 8 based on Foata normal form. 12/1083 useless extension candidates. Maximal degree in co-relation 15398. Up to 246 conditions per place. [2021-03-26 05:24:37,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 2190 [2021-03-26 05:24:37,926 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:37,926 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:37,927 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 371 [2021-03-26 05:24:37,927 INFO L480 AbstractCegarLoop]: Abstraction has has 616 places, 588 transitions, 19161 flow [2021-03-26 05:24:37,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:37,927 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:37,927 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:37,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable321 [2021-03-26 05:24:37,927 INFO L428 AbstractCegarLoop]: === Iteration 323 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:37,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:37,927 INFO L82 PathProgramCache]: Analyzing trace with hash 473945301, now seen corresponding path program 1 times [2021-03-26 05:24:37,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:37,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428542767] [2021-03-26 05:24:37,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:37,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:37,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:37,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:37,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:37,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:24:37,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:37,951 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:24:37,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:37,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:37,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:37,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:37,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:37,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:37,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:37,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:37,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:38,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:38,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:38,022 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:38,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:38,038 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:38,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:38,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428542767] [2021-03-26 05:24:38,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:38,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:38,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060532469] [2021-03-26 05:24:38,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:38,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:38,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:38,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:38,042 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:38,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 588 transitions, 19161 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:38,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:38,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:38,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:39,071 INFO L129 PetriNetUnfolder]: 566/1381 cut-off events. [2021-03-26 05:24:39,071 INFO L130 PetriNetUnfolder]: For 104413/104415 co-relation queries the response was YES. [2021-03-26 05:24:39,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17924 conditions, 1381 events. 566/1381 cut-off events. For 104413/104415 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9745 event pairs, 19 based on Foata normal form. 3/1185 useless extension candidates. Maximal degree in co-relation 17662. Up to 727 conditions per place. [2021-03-26 05:24:39,105 INFO L132 encePairwiseOnDemand]: 144/160 looper letters, 498 selfloop transitions, 87 changer transitions 5/608 dead transitions. [2021-03-26 05:24:39,105 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 608 transitions, 20892 flow [2021-03-26 05:24:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 05:24:39,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 05:24:39,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1013 transitions. [2021-03-26 05:24:39,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33322368421052634 [2021-03-26 05:24:39,107 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1013 transitions. [2021-03-26 05:24:39,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1013 transitions. [2021-03-26 05:24:39,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:39,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1013 transitions. [2021-03-26 05:24:39,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.31578947368421) internal successors, (1013), 19 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:39,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 160.0) internal successors, (3200), 20 states have internal predecessors, (3200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:39,109 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 160.0) internal successors, (3200), 20 states have internal predecessors, (3200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:39,109 INFO L185 Difference]: Start difference. First operand has 616 places, 588 transitions, 19161 flow. Second operand 19 states and 1013 transitions. [2021-03-26 05:24:39,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 608 transitions, 20892 flow [2021-03-26 05:24:39,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 608 transitions, 20682 flow, removed 5 selfloop flow, removed 17 redundant places. [2021-03-26 05:24:40,001 INFO L241 Difference]: Finished difference. Result has 621 places, 590 transitions, 19207 flow [2021-03-26 05:24:40,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=18951, PETRI_DIFFERENCE_MINUEND_PLACES=599, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=19207, PETRI_PLACES=621, PETRI_TRANSITIONS=590} [2021-03-26 05:24:40,002 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 568 predicate places. [2021-03-26 05:24:40,002 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:40,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 621 places, 590 transitions, 19207 flow [2021-03-26 05:24:40,002 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 621 places, 590 transitions, 19207 flow [2021-03-26 05:24:40,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 621 places, 590 transitions, 19207 flow [2021-03-26 05:24:40,273 INFO L129 PetriNetUnfolder]: 514/1296 cut-off events. [2021-03-26 05:24:40,273 INFO L130 PetriNetUnfolder]: For 103842/103860 co-relation queries the response was YES. [2021-03-26 05:24:40,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16343 conditions, 1296 events. 514/1296 cut-off events. For 103842/103860 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9342 event pairs, 14 based on Foata normal form. 4/1108 useless extension candidates. Maximal degree in co-relation 16067. Up to 257 conditions per place. [2021-03-26 05:24:40,320 INFO L142 LiptonReduction]: Number of co-enabled transitions 2230 [2021-03-26 05:24:40,362 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:40,362 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:40,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 360 [2021-03-26 05:24:40,362 INFO L480 AbstractCegarLoop]: Abstraction has has 621 places, 590 transitions, 19207 flow [2021-03-26 05:24:40,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:40,362 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:40,363 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:40,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable322 [2021-03-26 05:24:40,363 INFO L428 AbstractCegarLoop]: === Iteration 324 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:40,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:40,363 INFO L82 PathProgramCache]: Analyzing trace with hash -715811580, now seen corresponding path program 24 times [2021-03-26 05:24:40,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:40,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335304758] [2021-03-26 05:24:40,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:40,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:40,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:40,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:40,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:40,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:40,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:40,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:40,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:40,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:40,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:40,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:40,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:40,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:40,445 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:40,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:40,460 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:40,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:40,476 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:24:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:40,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335304758] [2021-03-26 05:24:40,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:40,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:40,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168650205] [2021-03-26 05:24:40,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:40,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:40,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:40,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:40,479 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:40,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 590 transitions, 19207 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:40,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:40,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:40,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:41,211 INFO L129 PetriNetUnfolder]: 563/1376 cut-off events. [2021-03-26 05:24:41,212 INFO L130 PetriNetUnfolder]: For 104299/104303 co-relation queries the response was YES. [2021-03-26 05:24:41,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17795 conditions, 1376 events. 563/1376 cut-off events. For 104299/104303 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9723 event pairs, 20 based on Foata normal form. 5/1183 useless extension candidates. Maximal degree in co-relation 17514. Up to 751 conditions per place. [2021-03-26 05:24:41,237 INFO L132 encePairwiseOnDemand]: 147/160 looper letters, 525 selfloop transitions, 51 changer transitions 5/599 dead transitions. [2021-03-26 05:24:41,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 633 places, 599 transitions, 20498 flow [2021-03-26 05:24:41,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:24:41,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:24:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 686 transitions. [2021-03-26 05:24:41,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3298076923076923 [2021-03-26 05:24:41,239 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 686 transitions. [2021-03-26 05:24:41,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 686 transitions. [2021-03-26 05:24:41,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:41,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 686 transitions. [2021-03-26 05:24:41,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.76923076923077) internal successors, (686), 13 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:41,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 160.0) internal successors, (2240), 14 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:41,240 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 160.0) internal successors, (2240), 14 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:41,240 INFO L185 Difference]: Start difference. First operand has 621 places, 590 transitions, 19207 flow. Second operand 13 states and 686 transitions. [2021-03-26 05:24:41,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 633 places, 599 transitions, 20498 flow [2021-03-26 05:24:42,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 599 transitions, 20337 flow, removed 7 selfloop flow, removed 16 redundant places. [2021-03-26 05:24:42,031 INFO L241 Difference]: Finished difference. Result has 619 places, 586 transitions, 19040 flow [2021-03-26 05:24:42,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=19046, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19040, PETRI_PLACES=619, PETRI_TRANSITIONS=586} [2021-03-26 05:24:42,032 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 566 predicate places. [2021-03-26 05:24:42,032 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:42,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 619 places, 586 transitions, 19040 flow [2021-03-26 05:24:42,032 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 619 places, 586 transitions, 19040 flow [2021-03-26 05:24:42,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 616 places, 586 transitions, 19040 flow [2021-03-26 05:24:42,286 INFO L129 PetriNetUnfolder]: 508/1282 cut-off events. [2021-03-26 05:24:42,286 INFO L130 PetriNetUnfolder]: For 102877/102883 co-relation queries the response was YES. [2021-03-26 05:24:42,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16086 conditions, 1282 events. 508/1282 cut-off events. For 102877/102883 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9251 event pairs, 14 based on Foata normal form. 6/1099 useless extension candidates. Maximal degree in co-relation 15811. Up to 254 conditions per place. [2021-03-26 05:24:42,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 2230 [2021-03-26 05:24:42,368 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:42,368 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:42,368 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 336 [2021-03-26 05:24:42,368 INFO L480 AbstractCegarLoop]: Abstraction has has 616 places, 586 transitions, 19040 flow [2021-03-26 05:24:42,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:42,368 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:42,368 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:42,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable323 [2021-03-26 05:24:42,368 INFO L428 AbstractCegarLoop]: === Iteration 325 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:42,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:42,369 INFO L82 PathProgramCache]: Analyzing trace with hash -27489790, now seen corresponding path program 25 times [2021-03-26 05:24:42,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:42,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293230701] [2021-03-26 05:24:42,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:42,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:42,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:42,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:42,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:42,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:42,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:42,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:42,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:42,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:42,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:42,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:42,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:42,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:42,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:42,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:42,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:42,450 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:42,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:42,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:42,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:42,481 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:24:42,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:42,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293230701] [2021-03-26 05:24:42,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:42,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:42,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250670770] [2021-03-26 05:24:42,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:42,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:42,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:42,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:42,485 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:42,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 586 transitions, 19040 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:42,485 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:42,485 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:42,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:43,267 INFO L129 PetriNetUnfolder]: 561/1366 cut-off events. [2021-03-26 05:24:43,267 INFO L130 PetriNetUnfolder]: For 102174/102186 co-relation queries the response was YES. [2021-03-26 05:24:43,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17661 conditions, 1366 events. 561/1366 cut-off events. For 102174/102186 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9609 event pairs, 12 based on Foata normal form. 13/1183 useless extension candidates. Maximal degree in co-relation 17381. Up to 720 conditions per place. [2021-03-26 05:24:43,298 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 487 selfloop transitions, 75 changer transitions 16/596 dead transitions. [2021-03-26 05:24:43,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 596 transitions, 20333 flow [2021-03-26 05:24:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:24:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:24:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 794 transitions. [2021-03-26 05:24:43,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3308333333333333 [2021-03-26 05:24:43,300 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 794 transitions. [2021-03-26 05:24:43,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 794 transitions. [2021-03-26 05:24:43,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:43,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 794 transitions. [2021-03-26 05:24:43,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.93333333333333) internal successors, (794), 15 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:43,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:43,302 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:43,302 INFO L185 Difference]: Start difference. First operand has 616 places, 586 transitions, 19040 flow. Second operand 15 states and 794 transitions. [2021-03-26 05:24:43,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 596 transitions, 20333 flow [2021-03-26 05:24:44,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 596 transitions, 20145 flow, removed 4 selfloop flow, removed 18 redundant places. [2021-03-26 05:24:44,086 INFO L241 Difference]: Finished difference. Result has 614 places, 572 transitions, 18544 flow [2021-03-26 05:24:44,087 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=18854, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=18544, PETRI_PLACES=614, PETRI_TRANSITIONS=572} [2021-03-26 05:24:44,087 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 561 predicate places. [2021-03-26 05:24:44,087 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:44,087 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 614 places, 572 transitions, 18544 flow [2021-03-26 05:24:44,087 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 614 places, 572 transitions, 18544 flow [2021-03-26 05:24:44,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 611 places, 572 transitions, 18544 flow [2021-03-26 05:24:44,341 INFO L129 PetriNetUnfolder]: 511/1280 cut-off events. [2021-03-26 05:24:44,341 INFO L130 PetriNetUnfolder]: For 100478/100524 co-relation queries the response was YES. [2021-03-26 05:24:44,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15895 conditions, 1280 events. 511/1280 cut-off events. For 100478/100524 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9166 event pairs, 17 based on Foata normal form. 6/1095 useless extension candidates. Maximal degree in co-relation 15621. Up to 249 conditions per place. [2021-03-26 05:24:44,433 INFO L142 LiptonReduction]: Number of co-enabled transitions 2222 [2021-03-26 05:24:44,469 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:44,469 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:44,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-26 05:24:44,469 INFO L480 AbstractCegarLoop]: Abstraction has has 611 places, 572 transitions, 18544 flow [2021-03-26 05:24:44,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:44,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:44,470 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:44,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable324 [2021-03-26 05:24:44,470 INFO L428 AbstractCegarLoop]: === Iteration 326 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:44,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:44,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1970930992, now seen corresponding path program 26 times [2021-03-26 05:24:44,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:44,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019746616] [2021-03-26 05:24:44,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:44,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:44,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:44,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:44,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:44,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:44,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:44,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:44,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:44,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:44,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:44,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:44,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:44,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:44,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:44,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:44,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:44,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:44,568 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:44,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:44,584 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:44,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:44,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019746616] [2021-03-26 05:24:44,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:44,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:44,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565754344] [2021-03-26 05:24:44,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:44,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:44,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:44,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:44,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:44,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 572 transitions, 18544 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:44,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:44,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:44,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:45,371 INFO L129 PetriNetUnfolder]: 558/1352 cut-off events. [2021-03-26 05:24:45,371 INFO L130 PetriNetUnfolder]: For 103315/103325 co-relation queries the response was YES. [2021-03-26 05:24:45,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17330 conditions, 1352 events. 558/1352 cut-off events. For 103315/103325 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9426 event pairs, 18 based on Foata normal form. 11/1166 useless extension candidates. Maximal degree in co-relation 17051. Up to 710 conditions per place. [2021-03-26 05:24:45,401 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 490 selfloop transitions, 64 changer transitions 10/582 dead transitions. [2021-03-26 05:24:45,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 582 transitions, 19785 flow [2021-03-26 05:24:45,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:24:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:24:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 793 transitions. [2021-03-26 05:24:45,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3304166666666667 [2021-03-26 05:24:45,402 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 793 transitions. [2021-03-26 05:24:45,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 793 transitions. [2021-03-26 05:24:45,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:45,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 793 transitions. [2021-03-26 05:24:45,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.86666666666667) internal successors, (793), 15 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:45,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:45,404 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:45,404 INFO L185 Difference]: Start difference. First operand has 611 places, 572 transitions, 18544 flow. Second operand 15 states and 793 transitions. [2021-03-26 05:24:45,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 582 transitions, 19785 flow [2021-03-26 05:24:46,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 590 places, 582 transitions, 19257 flow, removed 82 selfloop flow, removed 35 redundant places. [2021-03-26 05:24:46,211 INFO L241 Difference]: Finished difference. Result has 592 places, 563 transitions, 17950 flow [2021-03-26 05:24:46,211 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=18018, PETRI_DIFFERENCE_MINUEND_PLACES=576, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=572, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17950, PETRI_PLACES=592, PETRI_TRANSITIONS=563} [2021-03-26 05:24:46,211 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 539 predicate places. [2021-03-26 05:24:46,211 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:46,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 592 places, 563 transitions, 17950 flow [2021-03-26 05:24:46,211 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 592 places, 563 transitions, 17950 flow [2021-03-26 05:24:46,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 588 places, 563 transitions, 17950 flow [2021-03-26 05:24:46,451 INFO L129 PetriNetUnfolder]: 483/1200 cut-off events. [2021-03-26 05:24:46,451 INFO L130 PetriNetUnfolder]: For 92149/92223 co-relation queries the response was YES. [2021-03-26 05:24:46,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14897 conditions, 1200 events. 483/1200 cut-off events. For 92149/92223 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8483 event pairs, 11 based on Foata normal form. 10/1033 useless extension candidates. Maximal degree in co-relation 14631. Up to 242 conditions per place. [2021-03-26 05:24:46,492 INFO L142 LiptonReduction]: Number of co-enabled transitions 2174 [2021-03-26 05:24:46,529 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:46,529 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:46,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 318 [2021-03-26 05:24:46,529 INFO L480 AbstractCegarLoop]: Abstraction has has 588 places, 563 transitions, 17950 flow [2021-03-26 05:24:46,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:46,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:46,529 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:46,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable325 [2021-03-26 05:24:46,530 INFO L428 AbstractCegarLoop]: === Iteration 327 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:46,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:46,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1737089224, now seen corresponding path program 27 times [2021-03-26 05:24:46,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:46,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674385069] [2021-03-26 05:24:46,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:46,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:46,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:46,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:46,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:46,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:46,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:46,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:46,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:46,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:46,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:46,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:46,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:46,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:24:46,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:46,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:46,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:46,628 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:46,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:46,644 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:46,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674385069] [2021-03-26 05:24:46,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:46,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:46,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129793792] [2021-03-26 05:24:46,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:46,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:46,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:46,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:46,647 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:46,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 563 transitions, 17950 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:46,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:46,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:46,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:47,477 INFO L129 PetriNetUnfolder]: 546/1318 cut-off events. [2021-03-26 05:24:47,477 INFO L130 PetriNetUnfolder]: For 93647/93653 co-relation queries the response was YES. [2021-03-26 05:24:47,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16803 conditions, 1318 events. 546/1318 cut-off events. For 93647/93653 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9129 event pairs, 10 based on Foata normal form. 7/1137 useless extension candidates. Maximal degree in co-relation 16532. Up to 669 conditions per place. [2021-03-26 05:24:47,506 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 411 selfloop transitions, 141 changer transitions 4/574 dead transitions. [2021-03-26 05:24:47,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 574 transitions, 19228 flow [2021-03-26 05:24:47,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:24:47,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:24:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 854 transitions. [2021-03-26 05:24:47,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33359375 [2021-03-26 05:24:47,508 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 854 transitions. [2021-03-26 05:24:47,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 854 transitions. [2021-03-26 05:24:47,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:47,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 854 transitions. [2021-03-26 05:24:47,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.375) internal successors, (854), 16 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:47,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 160.0) internal successors, (2720), 17 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:47,510 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 160.0) internal successors, (2720), 17 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:47,510 INFO L185 Difference]: Start difference. First operand has 588 places, 563 transitions, 17950 flow. Second operand 16 states and 854 transitions. [2021-03-26 05:24:47,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 574 transitions, 19228 flow [2021-03-26 05:24:48,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 574 transitions, 18973 flow, removed 11 selfloop flow, removed 23 redundant places. [2021-03-26 05:24:48,234 INFO L241 Difference]: Finished difference. Result has 582 places, 561 transitions, 18038 flow [2021-03-26 05:24:48,234 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=17695, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=18038, PETRI_PLACES=582, PETRI_TRANSITIONS=561} [2021-03-26 05:24:48,234 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 529 predicate places. [2021-03-26 05:24:48,234 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:48,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 582 places, 561 transitions, 18038 flow [2021-03-26 05:24:48,234 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 582 places, 561 transitions, 18038 flow [2021-03-26 05:24:48,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 579 places, 561 transitions, 18038 flow [2021-03-26 05:24:48,471 INFO L129 PetriNetUnfolder]: 483/1204 cut-off events. [2021-03-26 05:24:48,471 INFO L130 PetriNetUnfolder]: For 83029/83085 co-relation queries the response was YES. [2021-03-26 05:24:48,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15024 conditions, 1204 events. 483/1204 cut-off events. For 83029/83085 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8508 event pairs, 7 based on Foata normal form. 5/1033 useless extension candidates. Maximal degree in co-relation 14764. Up to 244 conditions per place. [2021-03-26 05:24:48,511 INFO L142 LiptonReduction]: Number of co-enabled transitions 2166 [2021-03-26 05:24:48,547 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:48,547 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:48,547 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 313 [2021-03-26 05:24:48,548 INFO L480 AbstractCegarLoop]: Abstraction has has 579 places, 561 transitions, 18038 flow [2021-03-26 05:24:48,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:48,548 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:48,548 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:48,548 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable326 [2021-03-26 05:24:48,548 INFO L428 AbstractCegarLoop]: === Iteration 328 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:48,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:48,548 INFO L82 PathProgramCache]: Analyzing trace with hash 253766936, now seen corresponding path program 28 times [2021-03-26 05:24:48,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:48,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239268535] [2021-03-26 05:24:48,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:48,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:48,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:48,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:48,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:48,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:48,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:48,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:48,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:48,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:48,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:48,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:48,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:48,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:48,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:24:48,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:48,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:48,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:48,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:48,637 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:48,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:48,651 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:48,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:48,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239268535] [2021-03-26 05:24:48,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:48,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:48,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81994980] [2021-03-26 05:24:48,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:48,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:48,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:48,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:48,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:48,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 579 places, 561 transitions, 18038 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:48,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:48,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:48,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:49,416 INFO L129 PetriNetUnfolder]: 544/1317 cut-off events. [2021-03-26 05:24:49,416 INFO L130 PetriNetUnfolder]: For 92402/92406 co-relation queries the response was YES. [2021-03-26 05:24:49,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16783 conditions, 1317 events. 544/1317 cut-off events. For 92402/92406 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9129 event pairs, 11 based on Foata normal form. 6/1135 useless extension candidates. Maximal degree in co-relation 16518. Up to 694 conditions per place. [2021-03-26 05:24:49,445 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 460 selfloop transitions, 93 changer transitions 3/574 dead transitions. [2021-03-26 05:24:49,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 592 places, 574 transitions, 19366 flow [2021-03-26 05:24:49,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:24:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:24:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 757 transitions. [2021-03-26 05:24:49,446 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3379464285714286 [2021-03-26 05:24:49,446 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 757 transitions. [2021-03-26 05:24:49,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 757 transitions. [2021-03-26 05:24:49,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:49,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 757 transitions. [2021-03-26 05:24:49,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.07142857142857) internal successors, (757), 14 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:49,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:49,448 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:49,448 INFO L185 Difference]: Start difference. First operand has 579 places, 561 transitions, 18038 flow. Second operand 14 states and 757 transitions. [2021-03-26 05:24:49,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 592 places, 574 transitions, 19366 flow [2021-03-26 05:24:50,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 579 places, 574 transitions, 19002 flow, removed 47 selfloop flow, removed 13 redundant places. [2021-03-26 05:24:50,126 INFO L241 Difference]: Finished difference. Result has 583 places, 560 transitions, 17940 flow [2021-03-26 05:24:50,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=17678, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17940, PETRI_PLACES=583, PETRI_TRANSITIONS=560} [2021-03-26 05:24:50,127 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 530 predicate places. [2021-03-26 05:24:50,127 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:50,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 583 places, 560 transitions, 17940 flow [2021-03-26 05:24:50,127 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 583 places, 560 transitions, 17940 flow [2021-03-26 05:24:50,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 583 places, 560 transitions, 17940 flow [2021-03-26 05:24:50,345 INFO L129 PetriNetUnfolder]: 475/1191 cut-off events. [2021-03-26 05:24:50,345 INFO L130 PetriNetUnfolder]: For 85648/85713 co-relation queries the response was YES. [2021-03-26 05:24:50,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14754 conditions, 1191 events. 475/1191 cut-off events. For 85648/85713 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8492 event pairs, 9 based on Foata normal form. 12/1031 useless extension candidates. Maximal degree in co-relation 14494. Up to 240 conditions per place. [2021-03-26 05:24:50,380 INFO L142 LiptonReduction]: Number of co-enabled transitions 2180 [2021-03-26 05:24:50,416 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:50,416 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:50,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 289 [2021-03-26 05:24:50,417 INFO L480 AbstractCegarLoop]: Abstraction has has 583 places, 560 transitions, 17940 flow [2021-03-26 05:24:50,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:50,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:50,417 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:50,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable327 [2021-03-26 05:24:50,417 INFO L428 AbstractCegarLoop]: === Iteration 329 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:50,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:50,417 INFO L82 PathProgramCache]: Analyzing trace with hash -924015788, now seen corresponding path program 29 times [2021-03-26 05:24:50,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:50,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574016845] [2021-03-26 05:24:50,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:50,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:50,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:50,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:50,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:50,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:50,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:50,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:50,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:50,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:50,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:50,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:50,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:50,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:50,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:50,534 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:24:50,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:50,554 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:50,574 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:50,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:50,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574016845] [2021-03-26 05:24:50,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:50,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:50,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472745601] [2021-03-26 05:24:50,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:50,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:50,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:50,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:50,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:50,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 560 transitions, 17940 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:50,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:50,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:50,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:51,351 INFO L129 PetriNetUnfolder]: 541/1309 cut-off events. [2021-03-26 05:24:51,352 INFO L130 PetriNetUnfolder]: For 90975/90979 co-relation queries the response was YES. [2021-03-26 05:24:51,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16595 conditions, 1309 events. 541/1309 cut-off events. For 90975/90979 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9052 event pairs, 19 based on Foata normal form. 5/1128 useless extension candidates. Maximal degree in co-relation 16330. Up to 704 conditions per place. [2021-03-26 05:24:51,378 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 476 selfloop transitions, 59 changer transitions 15/568 dead transitions. [2021-03-26 05:24:51,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 568 transitions, 19130 flow [2021-03-26 05:24:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:24:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:24:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 789 transitions. [2021-03-26 05:24:51,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32875 [2021-03-26 05:24:51,379 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 789 transitions. [2021-03-26 05:24:51,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 789 transitions. [2021-03-26 05:24:51,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:51,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 789 transitions. [2021-03-26 05:24:51,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.6) internal successors, (789), 15 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:51,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:51,381 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:51,381 INFO L185 Difference]: Start difference. First operand has 583 places, 560 transitions, 17940 flow. Second operand 15 states and 789 transitions. [2021-03-26 05:24:51,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 568 transitions, 19130 flow [2021-03-26 05:24:52,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 568 transitions, 18885 flow, removed 37 selfloop flow, removed 13 redundant places. [2021-03-26 05:24:52,133 INFO L241 Difference]: Finished difference. Result has 585 places, 545 transitions, 17257 flow [2021-03-26 05:24:52,133 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=17695, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17257, PETRI_PLACES=585, PETRI_TRANSITIONS=545} [2021-03-26 05:24:52,133 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 532 predicate places. [2021-03-26 05:24:52,133 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:52,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 585 places, 545 transitions, 17257 flow [2021-03-26 05:24:52,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 585 places, 545 transitions, 17257 flow [2021-03-26 05:24:52,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 575 places, 545 transitions, 17257 flow [2021-03-26 05:24:52,361 INFO L129 PetriNetUnfolder]: 474/1188 cut-off events. [2021-03-26 05:24:52,361 INFO L130 PetriNetUnfolder]: For 78634/78691 co-relation queries the response was YES. [2021-03-26 05:24:52,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14222 conditions, 1188 events. 474/1188 cut-off events. For 78634/78691 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8399 event pairs, 11 based on Foata normal form. 15/1025 useless extension candidates. Maximal degree in co-relation 13966. Up to 231 conditions per place. [2021-03-26 05:24:52,399 INFO L142 LiptonReduction]: Number of co-enabled transitions 2170 [2021-03-26 05:24:52,433 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:52,433 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:52,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 300 [2021-03-26 05:24:52,434 INFO L480 AbstractCegarLoop]: Abstraction has has 575 places, 545 transitions, 17257 flow [2021-03-26 05:24:52,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:52,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:52,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:52,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable328 [2021-03-26 05:24:52,434 INFO L428 AbstractCegarLoop]: === Iteration 330 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:52,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:52,434 INFO L82 PathProgramCache]: Analyzing trace with hash 893575110, now seen corresponding path program 30 times [2021-03-26 05:24:52,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:52,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267808092] [2021-03-26 05:24:52,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:52,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:52,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:52,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:52,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:52,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:52,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:52,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:52,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:52,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:52,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:52,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:52,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:52,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:52,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:24:52,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:52,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:52,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:52,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:52,532 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:52,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:52,548 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:52,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:52,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267808092] [2021-03-26 05:24:52,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:52,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:52,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448055730] [2021-03-26 05:24:52,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:52,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:52,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:52,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:52,551 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:52,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 545 transitions, 17257 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:52,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:52,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:52,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:53,273 INFO L129 PetriNetUnfolder]: 535/1287 cut-off events. [2021-03-26 05:24:53,273 INFO L130 PetriNetUnfolder]: For 89440/89452 co-relation queries the response was YES. [2021-03-26 05:24:53,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16209 conditions, 1287 events. 535/1287 cut-off events. For 89440/89452 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8879 event pairs, 11 based on Foata normal form. 13/1117 useless extension candidates. Maximal degree in co-relation 15949. Up to 692 conditions per place. [2021-03-26 05:24:53,300 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 470 selfloop transitions, 67 changer transitions 0/555 dead transitions. [2021-03-26 05:24:53,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 555 transitions, 18469 flow [2021-03-26 05:24:53,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:24:53,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:24:53,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 794 transitions. [2021-03-26 05:24:53,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3308333333333333 [2021-03-26 05:24:53,301 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 794 transitions. [2021-03-26 05:24:53,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 794 transitions. [2021-03-26 05:24:53,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:53,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 794 transitions. [2021-03-26 05:24:53,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.93333333333333) internal successors, (794), 15 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:53,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:53,303 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:53,303 INFO L185 Difference]: Start difference. First operand has 575 places, 545 transitions, 17257 flow. Second operand 15 states and 794 transitions. [2021-03-26 05:24:53,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 555 transitions, 18469 flow [2021-03-26 05:24:53,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 555 transitions, 18066 flow, removed 52 selfloop flow, removed 31 redundant places. [2021-03-26 05:24:53,969 INFO L241 Difference]: Finished difference. Result has 560 places, 546 transitions, 17090 flow [2021-03-26 05:24:53,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=16854, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17090, PETRI_PLACES=560, PETRI_TRANSITIONS=546} [2021-03-26 05:24:53,970 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 507 predicate places. [2021-03-26 05:24:53,970 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:53,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 560 places, 546 transitions, 17090 flow [2021-03-26 05:24:53,970 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 560 places, 546 transitions, 17090 flow [2021-03-26 05:24:53,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 560 places, 546 transitions, 17090 flow [2021-03-26 05:24:54,191 INFO L129 PetriNetUnfolder]: 487/1218 cut-off events. [2021-03-26 05:24:54,191 INFO L130 PetriNetUnfolder]: For 82373/82414 co-relation queries the response was YES. [2021-03-26 05:24:54,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14567 conditions, 1218 events. 487/1218 cut-off events. For 82373/82414 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8553 event pairs, 13 based on Foata normal form. 8/1050 useless extension candidates. Maximal degree in co-relation 14320. Up to 245 conditions per place. [2021-03-26 05:24:54,228 INFO L142 LiptonReduction]: Number of co-enabled transitions 2184 [2021-03-26 05:24:54,262 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:54,262 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:54,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 292 [2021-03-26 05:24:54,263 INFO L480 AbstractCegarLoop]: Abstraction has has 560 places, 546 transitions, 17090 flow [2021-03-26 05:24:54,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:54,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:54,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:54,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable329 [2021-03-26 05:24:54,264 INFO L428 AbstractCegarLoop]: === Iteration 331 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:54,264 INFO L82 PathProgramCache]: Analyzing trace with hash 658916598, now seen corresponding path program 31 times [2021-03-26 05:24:54,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:54,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621347363] [2021-03-26 05:24:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:54,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:54,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:54,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:54,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:54,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:54,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:54,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:54,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:54,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:54,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:54,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:54,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:54,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:54,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:24:54,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:54,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:54,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:54,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:54,361 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:54,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:54,377 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:54,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:54,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621347363] [2021-03-26 05:24:54,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:54,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:54,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652267022] [2021-03-26 05:24:54,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:54,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:54,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:54,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:54,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:54,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 546 transitions, 17090 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:54,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:54,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:54,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:55,153 INFO L129 PetriNetUnfolder]: 536/1293 cut-off events. [2021-03-26 05:24:55,153 INFO L130 PetriNetUnfolder]: For 85275/85281 co-relation queries the response was YES. [2021-03-26 05:24:55,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15957 conditions, 1293 events. 536/1293 cut-off events. For 85275/85281 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8867 event pairs, 11 based on Foata normal form. 7/1115 useless extension candidates. Maximal degree in co-relation 15702. Up to 663 conditions per place. [2021-03-26 05:24:55,179 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 434 selfloop transitions, 93 changer transitions 15/560 dead transitions. [2021-03-26 05:24:55,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 560 transitions, 18393 flow [2021-03-26 05:24:55,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:24:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:24:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 855 transitions. [2021-03-26 05:24:55,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.333984375 [2021-03-26 05:24:55,180 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 855 transitions. [2021-03-26 05:24:55,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 855 transitions. [2021-03-26 05:24:55,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:55,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 855 transitions. [2021-03-26 05:24:55,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.4375) internal successors, (855), 16 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:55,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 160.0) internal successors, (2720), 17 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:55,182 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 160.0) internal successors, (2720), 17 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:55,182 INFO L185 Difference]: Start difference. First operand has 560 places, 546 transitions, 17090 flow. Second operand 16 states and 855 transitions. [2021-03-26 05:24:55,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 560 transitions, 18393 flow [2021-03-26 05:24:55,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 560 transitions, 18218 flow, removed 40 selfloop flow, removed 9 redundant places. [2021-03-26 05:24:55,755 INFO L241 Difference]: Finished difference. Result has 568 places, 532 transitions, 16784 flow [2021-03-26 05:24:55,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=16915, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16784, PETRI_PLACES=568, PETRI_TRANSITIONS=532} [2021-03-26 05:24:55,755 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 515 predicate places. [2021-03-26 05:24:55,755 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:55,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 568 places, 532 transitions, 16784 flow [2021-03-26 05:24:55,756 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 568 places, 532 transitions, 16784 flow [2021-03-26 05:24:55,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 532 transitions, 16784 flow [2021-03-26 05:24:55,968 INFO L129 PetriNetUnfolder]: 462/1145 cut-off events. [2021-03-26 05:24:55,969 INFO L130 PetriNetUnfolder]: For 77241/77304 co-relation queries the response was YES. [2021-03-26 05:24:55,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13810 conditions, 1145 events. 462/1145 cut-off events. For 77241/77304 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 7885 event pairs, 25 based on Foata normal form. 14/989 useless extension candidates. Maximal degree in co-relation 13561. Up to 228 conditions per place. [2021-03-26 05:24:56,005 INFO L142 LiptonReduction]: Number of co-enabled transitions 2072 [2021-03-26 05:24:56,038 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:56,038 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:56,038 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 283 [2021-03-26 05:24:56,039 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 532 transitions, 16784 flow [2021-03-26 05:24:56,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:56,039 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:56,039 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:56,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable330 [2021-03-26 05:24:56,039 INFO L428 AbstractCegarLoop]: === Iteration 332 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:56,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:56,039 INFO L82 PathProgramCache]: Analyzing trace with hash -798698124, now seen corresponding path program 32 times [2021-03-26 05:24:56,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:56,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375593086] [2021-03-26 05:24:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:56,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:56,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:56,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:56,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:56,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:56,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:56,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:56,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:56,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:56,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:56,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:56,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:56,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:56,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:24:56,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:56,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:56,122 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:24:56,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:24:56,130 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:24:56,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:56,145 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:24:56,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:56,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375593086] [2021-03-26 05:24:56,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:56,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:24:56,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011603074] [2021-03-26 05:24:56,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:24:56,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:56,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:24:56,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:24:56,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:56,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 532 transitions, 16784 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:56,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:56,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:56,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:56,789 INFO L129 PetriNetUnfolder]: 525/1248 cut-off events. [2021-03-26 05:24:56,790 INFO L130 PetriNetUnfolder]: For 83968/83978 co-relation queries the response was YES. [2021-03-26 05:24:56,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15724 conditions, 1248 events. 525/1248 cut-off events. For 83968/83978 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8391 event pairs, 20 based on Foata normal form. 11/1083 useless extension candidates. Maximal degree in co-relation 15470. Up to 691 conditions per place. [2021-03-26 05:24:56,815 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 466 selfloop transitions, 53 changer transitions 3/540 dead transitions. [2021-03-26 05:24:56,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 579 places, 540 transitions, 17915 flow [2021-03-26 05:24:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:24:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:24:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 734 transitions. [2021-03-26 05:24:56,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32767857142857143 [2021-03-26 05:24:56,817 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 734 transitions. [2021-03-26 05:24:56,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 734 transitions. [2021-03-26 05:24:56,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:56,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 734 transitions. [2021-03-26 05:24:56,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.42857142857143) internal successors, (734), 14 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:56,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:56,818 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:56,818 INFO L185 Difference]: Start difference. First operand has 566 places, 532 transitions, 16784 flow. Second operand 14 states and 734 transitions. [2021-03-26 05:24:56,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 579 places, 540 transitions, 17915 flow [2021-03-26 05:24:57,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 540 transitions, 17347 flow, removed 29 selfloop flow, removed 39 redundant places. [2021-03-26 05:24:57,407 INFO L241 Difference]: Finished difference. Result has 541 places, 529 transitions, 16244 flow [2021-03-26 05:24:57,408 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=16219, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16244, PETRI_PLACES=541, PETRI_TRANSITIONS=529} [2021-03-26 05:24:57,408 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 488 predicate places. [2021-03-26 05:24:57,408 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:57,408 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 541 places, 529 transitions, 16244 flow [2021-03-26 05:24:57,408 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 541 places, 529 transitions, 16244 flow [2021-03-26 05:24:57,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 540 places, 529 transitions, 16244 flow [2021-03-26 05:24:57,615 INFO L129 PetriNetUnfolder]: 471/1161 cut-off events. [2021-03-26 05:24:57,615 INFO L130 PetriNetUnfolder]: For 75345/75350 co-relation queries the response was YES. [2021-03-26 05:24:57,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13844 conditions, 1161 events. 471/1161 cut-off events. For 75345/75350 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8033 event pairs, 7 based on Foata normal form. 3/999 useless extension candidates. Maximal degree in co-relation 13608. Up to 238 conditions per place. [2021-03-26 05:24:57,649 INFO L142 LiptonReduction]: Number of co-enabled transitions 2062 [2021-03-26 05:24:57,682 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:57,682 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:57,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 274 [2021-03-26 05:24:57,682 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 529 transitions, 16244 flow [2021-03-26 05:24:57,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:57,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:57,682 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:57,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable331 [2021-03-26 05:24:57,682 INFO L428 AbstractCegarLoop]: === Iteration 333 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:57,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:57,683 INFO L82 PathProgramCache]: Analyzing trace with hash 97797920, now seen corresponding path program 33 times [2021-03-26 05:24:57,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:57,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909426247] [2021-03-26 05:24:57,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:57,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:57,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:57,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:57,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:57,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:57,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:57,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:57,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:57,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:57,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:57,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:57,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:57,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:57,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:24:57,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:57,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:57,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:57,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:57,790 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:57,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:57,806 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:57,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:57,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909426247] [2021-03-26 05:24:57,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:57,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:57,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090086854] [2021-03-26 05:24:57,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:57,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:57,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:57,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:57,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:57,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 529 transitions, 16244 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:57,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:57,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:57,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:24:58,445 INFO L129 PetriNetUnfolder]: 519/1233 cut-off events. [2021-03-26 05:24:58,445 INFO L130 PetriNetUnfolder]: For 76007/76019 co-relation queries the response was YES. [2021-03-26 05:24:58,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15231 conditions, 1233 events. 519/1233 cut-off events. For 76007/76019 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8265 event pairs, 14 based on Foata normal form. 13/1075 useless extension candidates. Maximal degree in co-relation 14993. Up to 678 conditions per place. [2021-03-26 05:24:58,468 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 455 selfloop transitions, 56 changer transitions 11/540 dead transitions. [2021-03-26 05:24:58,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 540 transitions, 17424 flow [2021-03-26 05:24:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:24:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:24:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 786 transitions. [2021-03-26 05:24:58,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3275 [2021-03-26 05:24:58,470 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 786 transitions. [2021-03-26 05:24:58,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 786 transitions. [2021-03-26 05:24:58,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:24:58,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 786 transitions. [2021-03-26 05:24:58,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.4) internal successors, (786), 15 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:58,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:58,472 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 160.0) internal successors, (2560), 16 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:58,472 INFO L185 Difference]: Start difference. First operand has 540 places, 529 transitions, 16244 flow. Second operand 15 states and 786 transitions. [2021-03-26 05:24:58,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 540 transitions, 17424 flow [2021-03-26 05:24:58,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 540 transitions, 17190 flow, removed 2 selfloop flow, removed 21 redundant places. [2021-03-26 05:24:58,991 INFO L241 Difference]: Finished difference. Result has 535 places, 520 transitions, 15842 flow [2021-03-26 05:24:58,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=16010, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15842, PETRI_PLACES=535, PETRI_TRANSITIONS=520} [2021-03-26 05:24:58,991 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 482 predicate places. [2021-03-26 05:24:58,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:24:58,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 535 places, 520 transitions, 15842 flow [2021-03-26 05:24:58,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 535 places, 520 transitions, 15842 flow [2021-03-26 05:24:58,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 528 places, 520 transitions, 15842 flow [2021-03-26 05:24:59,176 INFO L129 PetriNetUnfolder]: 456/1117 cut-off events. [2021-03-26 05:24:59,176 INFO L130 PetriNetUnfolder]: For 72731/72770 co-relation queries the response was YES. [2021-03-26 05:24:59,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13281 conditions, 1117 events. 456/1117 cut-off events. For 72731/72770 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7609 event pairs, 7 based on Foata normal form. 7/962 useless extension candidates. Maximal degree in co-relation 13047. Up to 228 conditions per place. [2021-03-26 05:24:59,206 INFO L142 LiptonReduction]: Number of co-enabled transitions 2020 [2021-03-26 05:24:59,238 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:24:59,238 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:24:59,238 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 246 [2021-03-26 05:24:59,238 INFO L480 AbstractCegarLoop]: Abstraction has has 528 places, 520 transitions, 15842 flow [2021-03-26 05:24:59,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:59,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:24:59,239 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:24:59,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable332 [2021-03-26 05:24:59,239 INFO L428 AbstractCegarLoop]: === Iteration 334 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:24:59,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:24:59,239 INFO L82 PathProgramCache]: Analyzing trace with hash 964838936, now seen corresponding path program 34 times [2021-03-26 05:24:59,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:24:59,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286977703] [2021-03-26 05:24:59,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:24:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:24:59,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:59,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:24:59,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:59,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:24:59,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:59,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:59,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:59,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:59,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:59,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:59,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:59,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:59,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:59,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:59,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:59,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:24:59,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:24:59,337 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:24:59,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:24:59,353 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:24:59,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:24:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:24:59,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286977703] [2021-03-26 05:24:59,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:24:59,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:24:59,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006380393] [2021-03-26 05:24:59,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:24:59,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:24:59,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:24:59,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:24:59,356 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 05:24:59,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 520 transitions, 15842 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:24:59,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:24:59,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 05:24:59,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:00,041 INFO L129 PetriNetUnfolder]: 539/1266 cut-off events. [2021-03-26 05:25:00,041 INFO L130 PetriNetUnfolder]: For 85170/85176 co-relation queries the response was YES. [2021-03-26 05:25:00,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16000 conditions, 1266 events. 539/1266 cut-off events. For 85170/85176 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8498 event pairs, 7 based on Foata normal form. 7/1098 useless extension candidates. Maximal degree in co-relation 15763. Up to 674 conditions per place. [2021-03-26 05:25:00,067 INFO L132 encePairwiseOnDemand]: 146/160 looper letters, 442 selfloop transitions, 93 changer transitions 0/553 dead transitions. [2021-03-26 05:25:00,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 553 transitions, 18361 flow [2021-03-26 05:25:00,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:25:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:25:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 745 transitions. [2021-03-26 05:25:00,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3325892857142857 [2021-03-26 05:25:00,069 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 745 transitions. [2021-03-26 05:25:00,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 745 transitions. [2021-03-26 05:25:00,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:00,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 745 transitions. [2021-03-26 05:25:00,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.214285714285715) internal successors, (745), 14 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:00,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:00,070 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:00,070 INFO L185 Difference]: Start difference. First operand has 528 places, 520 transitions, 15842 flow. Second operand 14 states and 745 transitions. [2021-03-26 05:25:00,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 553 transitions, 18361 flow [2021-03-26 05:25:00,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 553 transitions, 17773 flow, removed 177 selfloop flow, removed 25 redundant places. [2021-03-26 05:25:00,662 INFO L241 Difference]: Finished difference. Result has 518 places, 541 transitions, 16751 flow [2021-03-26 05:25:00,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=15274, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16751, PETRI_PLACES=518, PETRI_TRANSITIONS=541} [2021-03-26 05:25:00,662 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 465 predicate places. [2021-03-26 05:25:00,663 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:00,663 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 518 places, 541 transitions, 16751 flow [2021-03-26 05:25:00,663 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 518 places, 541 transitions, 16751 flow [2021-03-26 05:25:00,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 518 places, 541 transitions, 16751 flow [2021-03-26 05:25:00,875 INFO L129 PetriNetUnfolder]: 497/1208 cut-off events. [2021-03-26 05:25:00,875 INFO L130 PetriNetUnfolder]: For 78596/78633 co-relation queries the response was YES. [2021-03-26 05:25:00,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14474 conditions, 1208 events. 497/1208 cut-off events. For 78596/78633 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8365 event pairs, 11 based on Foata normal form. 5/1037 useless extension candidates. Maximal degree in co-relation 14249. Up to 253 conditions per place. [2021-03-26 05:25:00,908 INFO L142 LiptonReduction]: Number of co-enabled transitions 2126 [2021-03-26 05:25:01,044 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:25:01,044 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:25:01,044 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 05:25:01,045 INFO L480 AbstractCegarLoop]: Abstraction has has 518 places, 541 transitions, 16806 flow [2021-03-26 05:25:01,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:01,045 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:01,045 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:01,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable333 [2021-03-26 05:25:01,045 INFO L428 AbstractCegarLoop]: === Iteration 335 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:01,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:01,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1530338822, now seen corresponding path program 35 times [2021-03-26 05:25:01,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:01,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875863670] [2021-03-26 05:25:01,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:01,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:01,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:01,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:01,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:01,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:01,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:01,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:01,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:01,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:01,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:01,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:01,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:01,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:01,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:01,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:01,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:01,112 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:01,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:01,118 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:01,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:01,132 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:01,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:01,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875863670] [2021-03-26 05:25:01,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:01,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:25:01,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752033125] [2021-03-26 05:25:01,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:25:01,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:01,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:25:01,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:25:01,135 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 05:25:01,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 541 transitions, 16806 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:01,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:01,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 05:25:01,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:01,769 INFO L129 PetriNetUnfolder]: 540/1276 cut-off events. [2021-03-26 05:25:01,770 INFO L130 PetriNetUnfolder]: For 87395/87401 co-relation queries the response was YES. [2021-03-26 05:25:01,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16169 conditions, 1276 events. 540/1276 cut-off events. For 87395/87401 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8618 event pairs, 15 based on Foata normal form. 7/1108 useless extension candidates. Maximal degree in co-relation 15936. Up to 714 conditions per place. [2021-03-26 05:25:01,794 INFO L132 encePairwiseOnDemand]: 146/161 looper letters, 485 selfloop transitions, 55 changer transitions 0/558 dead transitions. [2021-03-26 05:25:01,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 558 transitions, 18434 flow [2021-03-26 05:25:01,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:25:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:25:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 549 transitions. [2021-03-26 05:25:01,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3409937888198758 [2021-03-26 05:25:01,795 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 549 transitions. [2021-03-26 05:25:01,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 549 transitions. [2021-03-26 05:25:01,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:01,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 549 transitions. [2021-03-26 05:25:01,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.9) internal successors, (549), 10 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:01,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:01,796 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:01,797 INFO L185 Difference]: Start difference. First operand has 518 places, 541 transitions, 16806 flow. Second operand 10 states and 549 transitions. [2021-03-26 05:25:01,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 558 transitions, 18434 flow [2021-03-26 05:25:02,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 558 transitions, 17438 flow, removed 489 selfloop flow, removed 3 redundant places. [2021-03-26 05:25:02,410 INFO L241 Difference]: Finished difference. Result has 527 places, 548 transitions, 16395 flow [2021-03-26 05:25:02,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=15810, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=16395, PETRI_PLACES=527, PETRI_TRANSITIONS=548} [2021-03-26 05:25:02,410 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 474 predicate places. [2021-03-26 05:25:02,410 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:02,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 527 places, 548 transitions, 16395 flow [2021-03-26 05:25:02,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 527 places, 548 transitions, 16395 flow [2021-03-26 05:25:02,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 527 places, 548 transitions, 16395 flow [2021-03-26 05:25:02,626 INFO L129 PetriNetUnfolder]: 484/1189 cut-off events. [2021-03-26 05:25:02,626 INFO L130 PetriNetUnfolder]: For 79337/79390 co-relation queries the response was YES. [2021-03-26 05:25:02,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13969 conditions, 1189 events. 484/1189 cut-off events. For 79337/79390 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8283 event pairs, 4 based on Foata normal form. 9/1025 useless extension candidates. Maximal degree in co-relation 13740. Up to 241 conditions per place. [2021-03-26 05:25:02,660 INFO L142 LiptonReduction]: Number of co-enabled transitions 2164 [2021-03-26 05:25:02,695 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:02,695 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:02,695 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 285 [2021-03-26 05:25:02,695 INFO L480 AbstractCegarLoop]: Abstraction has has 527 places, 548 transitions, 16395 flow [2021-03-26 05:25:02,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:02,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:02,696 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:02,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable334 [2021-03-26 05:25:02,696 INFO L428 AbstractCegarLoop]: === Iteration 336 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:02,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:02,696 INFO L82 PathProgramCache]: Analyzing trace with hash -2059713796, now seen corresponding path program 36 times [2021-03-26 05:25:02,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:02,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063571463] [2021-03-26 05:25:02,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:02,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:02,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:02,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:02,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:02,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:02,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:02,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:02,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:02,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:02,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:02,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:02,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:02,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:02,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:02,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:02,769 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:02,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:02,776 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:02,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:02,792 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:02,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:02,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063571463] [2021-03-26 05:25:02,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:02,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:02,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672817363] [2021-03-26 05:25:02,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:02,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:02,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:02,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:02,795 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 05:25:02,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 548 transitions, 16395 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:02,795 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:02,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 05:25:02,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:03,550 INFO L129 PetriNetUnfolder]: 569/1365 cut-off events. [2021-03-26 05:25:03,550 INFO L130 PetriNetUnfolder]: For 87758/87764 co-relation queries the response was YES. [2021-03-26 05:25:03,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16541 conditions, 1365 events. 569/1365 cut-off events. For 87758/87764 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9538 event pairs, 9 based on Foata normal form. 8/1177 useless extension candidates. Maximal degree in co-relation 16304. Up to 647 conditions per place. [2021-03-26 05:25:03,577 INFO L132 encePairwiseOnDemand]: 144/161 looper letters, 413 selfloop transitions, 148 changer transitions 0/579 dead transitions. [2021-03-26 05:25:03,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 579 transitions, 18738 flow [2021-03-26 05:25:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:25:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:25:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 606 transitions. [2021-03-26 05:25:03,579 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34217955957086393 [2021-03-26 05:25:03,579 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 606 transitions. [2021-03-26 05:25:03,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 606 transitions. [2021-03-26 05:25:03,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:03,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 606 transitions. [2021-03-26 05:25:03,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.09090909090909) internal successors, (606), 11 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:03,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:03,580 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:03,580 INFO L185 Difference]: Start difference. First operand has 527 places, 548 transitions, 16395 flow. Second operand 11 states and 606 transitions. [2021-03-26 05:25:03,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 579 transitions, 18738 flow [2021-03-26 05:25:04,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 579 transitions, 18390 flow, removed 152 selfloop flow, removed 5 redundant places. [2021-03-26 05:25:04,217 INFO L241 Difference]: Finished difference. Result has 537 places, 567 transitions, 17654 flow [2021-03-26 05:25:04,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=16047, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17654, PETRI_PLACES=537, PETRI_TRANSITIONS=567} [2021-03-26 05:25:04,217 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 484 predicate places. [2021-03-26 05:25:04,217 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:04,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 537 places, 567 transitions, 17654 flow [2021-03-26 05:25:04,217 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 537 places, 567 transitions, 17654 flow [2021-03-26 05:25:04,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 537 places, 567 transitions, 17654 flow [2021-03-26 05:25:04,470 INFO L129 PetriNetUnfolder]: 513/1275 cut-off events. [2021-03-26 05:25:04,470 INFO L130 PetriNetUnfolder]: For 85050/85106 co-relation queries the response was YES. [2021-03-26 05:25:04,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15021 conditions, 1275 events. 513/1275 cut-off events. For 85050/85106 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9166 event pairs, 11 based on Foata normal form. 10/1093 useless extension candidates. Maximal degree in co-relation 14782. Up to 245 conditions per place. [2021-03-26 05:25:04,506 INFO L142 LiptonReduction]: Number of co-enabled transitions 2324 [2021-03-26 05:25:04,541 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:04,541 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:04,541 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 324 [2021-03-26 05:25:04,541 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 567 transitions, 17654 flow [2021-03-26 05:25:04,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:04,542 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:04,542 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:04,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable335 [2021-03-26 05:25:04,542 INFO L428 AbstractCegarLoop]: === Iteration 337 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:04,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:04,542 INFO L82 PathProgramCache]: Analyzing trace with hash 485936970, now seen corresponding path program 37 times [2021-03-26 05:25:04,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:04,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199375017] [2021-03-26 05:25:04,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:04,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:04,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:04,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:04,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:04,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:04,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:04,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:04,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:04,621 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:04,629 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:04,643 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:04,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:04,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199375017] [2021-03-26 05:25:04,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:04,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:04,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436388220] [2021-03-26 05:25:04,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:04,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:04,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:04,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:04,647 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 05:25:04,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 567 transitions, 17654 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:04,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:04,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 05:25:04,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:05,375 INFO L129 PetriNetUnfolder]: 573/1381 cut-off events. [2021-03-26 05:25:05,375 INFO L130 PetriNetUnfolder]: For 94588/94598 co-relation queries the response was YES. [2021-03-26 05:25:05,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17150 conditions, 1381 events. 573/1381 cut-off events. For 94588/94598 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9686 event pairs, 7 based on Foata normal form. 11/1195 useless extension candidates. Maximal degree in co-relation 16907. Up to 695 conditions per place. [2021-03-26 05:25:05,404 INFO L132 encePairwiseOnDemand]: 145/161 looper letters, 465 selfloop transitions, 103 changer transitions 0/586 dead transitions. [2021-03-26 05:25:05,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 586 transitions, 19415 flow [2021-03-26 05:25:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:25:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:25:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 606 transitions. [2021-03-26 05:25:05,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34217955957086393 [2021-03-26 05:25:05,406 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 606 transitions. [2021-03-26 05:25:05,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 606 transitions. [2021-03-26 05:25:05,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:05,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 606 transitions. [2021-03-26 05:25:05,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.09090909090909) internal successors, (606), 11 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:05,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:05,407 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:05,407 INFO L185 Difference]: Start difference. First operand has 537 places, 567 transitions, 17654 flow. Second operand 11 states and 606 transitions. [2021-03-26 05:25:05,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 586 transitions, 19415 flow [2021-03-26 05:25:05,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 586 transitions, 18526 flow, removed 403 selfloop flow, removed 6 redundant places. [2021-03-26 05:25:05,993 INFO L241 Difference]: Finished difference. Result has 545 places, 574 transitions, 17573 flow [2021-03-26 05:25:05,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=16765, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17573, PETRI_PLACES=545, PETRI_TRANSITIONS=574} [2021-03-26 05:25:05,994 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 492 predicate places. [2021-03-26 05:25:05,994 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:05,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 545 places, 574 transitions, 17573 flow [2021-03-26 05:25:05,994 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 545 places, 574 transitions, 17573 flow [2021-03-26 05:25:05,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 545 places, 574 transitions, 17573 flow [2021-03-26 05:25:06,235 INFO L129 PetriNetUnfolder]: 525/1305 cut-off events. [2021-03-26 05:25:06,235 INFO L130 PetriNetUnfolder]: For 87348/87471 co-relation queries the response was YES. [2021-03-26 05:25:06,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15185 conditions, 1305 events. 525/1305 cut-off events. For 87348/87471 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9484 event pairs, 3 based on Foata normal form. 11/1117 useless extension candidates. Maximal degree in co-relation 14941. Up to 236 conditions per place. [2021-03-26 05:25:06,276 INFO L142 LiptonReduction]: Number of co-enabled transitions 2366 [2021-03-26 05:25:06,314 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:06,314 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:06,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 321 [2021-03-26 05:25:06,315 INFO L480 AbstractCegarLoop]: Abstraction has has 545 places, 574 transitions, 17573 flow [2021-03-26 05:25:06,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:06,315 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:06,315 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:06,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable336 [2021-03-26 05:25:06,315 INFO L428 AbstractCegarLoop]: === Iteration 338 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:06,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:06,315 INFO L82 PathProgramCache]: Analyzing trace with hash 775039848, now seen corresponding path program 38 times [2021-03-26 05:25:06,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:06,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552902959] [2021-03-26 05:25:06,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:06,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:06,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:06,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:06,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:06,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:06,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:06,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:06,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:06,389 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:06,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:06,403 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:06,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:06,419 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:06,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:06,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:06,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552902959] [2021-03-26 05:25:06,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:06,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:06,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518546087] [2021-03-26 05:25:06,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:06,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:06,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:06,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:06,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 05:25:06,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 574 transitions, 17573 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:06,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:06,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 05:25:06,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:07,203 INFO L129 PetriNetUnfolder]: 584/1419 cut-off events. [2021-03-26 05:25:07,204 INFO L130 PetriNetUnfolder]: For 93013/93017 co-relation queries the response was YES. [2021-03-26 05:25:07,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17280 conditions, 1419 events. 584/1419 cut-off events. For 93013/93017 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10074 event pairs, 18 based on Foata normal form. 6/1222 useless extension candidates. Maximal degree in co-relation 17032. Up to 730 conditions per place. [2021-03-26 05:25:07,238 INFO L132 encePairwiseOnDemand]: 147/161 looper letters, 497 selfloop transitions, 82 changer transitions 0/597 dead transitions. [2021-03-26 05:25:07,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 597 transitions, 19517 flow [2021-03-26 05:25:07,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:25:07,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:25:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 651 transitions. [2021-03-26 05:25:07,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33695652173913043 [2021-03-26 05:25:07,239 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 651 transitions. [2021-03-26 05:25:07,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 651 transitions. [2021-03-26 05:25:07,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:07,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 651 transitions. [2021-03-26 05:25:07,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.25) internal successors, (651), 12 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:07,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:07,241 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:07,241 INFO L185 Difference]: Start difference. First operand has 545 places, 574 transitions, 17573 flow. Second operand 12 states and 651 transitions. [2021-03-26 05:25:07,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 597 transitions, 19517 flow [2021-03-26 05:25:07,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 597 transitions, 19083 flow, removed 183 selfloop flow, removed 7 redundant places. [2021-03-26 05:25:07,902 INFO L241 Difference]: Finished difference. Result has 553 places, 589 transitions, 18078 flow [2021-03-26 05:25:07,902 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=17143, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18078, PETRI_PLACES=553, PETRI_TRANSITIONS=589} [2021-03-26 05:25:07,902 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 500 predicate places. [2021-03-26 05:25:07,902 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:07,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 553 places, 589 transitions, 18078 flow [2021-03-26 05:25:07,903 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 553 places, 589 transitions, 18078 flow [2021-03-26 05:25:07,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 553 places, 589 transitions, 18078 flow [2021-03-26 05:25:08,141 INFO L129 PetriNetUnfolder]: 545/1361 cut-off events. [2021-03-26 05:25:08,141 INFO L130 PetriNetUnfolder]: For 88569/88652 co-relation queries the response was YES. [2021-03-26 05:25:08,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15829 conditions, 1361 events. 545/1361 cut-off events. For 88569/88652 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 9976 event pairs, 11 based on Foata normal form. 8/1164 useless extension candidates. Maximal degree in co-relation 15582. Up to 246 conditions per place. [2021-03-26 05:25:08,178 INFO L142 LiptonReduction]: Number of co-enabled transitions 2464 [2021-03-26 05:25:08,219 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:08,219 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:08,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 317 [2021-03-26 05:25:08,219 INFO L480 AbstractCegarLoop]: Abstraction has has 553 places, 589 transitions, 18078 flow [2021-03-26 05:25:08,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:08,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:08,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:08,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable337 [2021-03-26 05:25:08,220 INFO L428 AbstractCegarLoop]: === Iteration 339 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:08,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:08,220 INFO L82 PathProgramCache]: Analyzing trace with hash 150431818, now seen corresponding path program 39 times [2021-03-26 05:25:08,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:08,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17067248] [2021-03-26 05:25:08,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:08,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:08,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:08,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:08,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:08,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:08,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:08,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:08,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:08,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:08,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:08,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:08,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:08,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:08,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:08,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:08,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:08,319 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:08,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:08,327 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:08,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:08,343 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:08,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:08,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17067248] [2021-03-26 05:25:08,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:08,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:08,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079573570] [2021-03-26 05:25:08,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:08,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:08,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:08,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:08,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 05:25:08,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 589 transitions, 18078 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:08,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:08,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 05:25:08,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:09,166 INFO L129 PetriNetUnfolder]: 597/1465 cut-off events. [2021-03-26 05:25:09,166 INFO L130 PetriNetUnfolder]: For 98051/98055 co-relation queries the response was YES. [2021-03-26 05:25:09,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17813 conditions, 1465 events. 597/1465 cut-off events. For 98051/98055 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10602 event pairs, 8 based on Foata normal form. 5/1256 useless extension candidates. Maximal degree in co-relation 17562. Up to 643 conditions per place. [2021-03-26 05:25:09,198 INFO L132 encePairwiseOnDemand]: 144/161 looper letters, 411 selfloop transitions, 184 changer transitions 0/613 dead transitions. [2021-03-26 05:25:09,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 613 transitions, 20317 flow [2021-03-26 05:25:09,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:25:09,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:25:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 659 transitions. [2021-03-26 05:25:09,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34109730848861286 [2021-03-26 05:25:09,200 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 659 transitions. [2021-03-26 05:25:09,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 659 transitions. [2021-03-26 05:25:09,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:09,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 659 transitions. [2021-03-26 05:25:09,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.916666666666664) internal successors, (659), 12 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:09,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:09,201 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:09,201 INFO L185 Difference]: Start difference. First operand has 553 places, 589 transitions, 18078 flow. Second operand 12 states and 659 transitions. [2021-03-26 05:25:09,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 613 transitions, 20317 flow [2021-03-26 05:25:09,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 613 transitions, 19694 flow, removed 286 selfloop flow, removed 5 redundant places. [2021-03-26 05:25:09,888 INFO L241 Difference]: Finished difference. Result has 563 places, 599 transitions, 18804 flow [2021-03-26 05:25:09,888 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=17709, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18804, PETRI_PLACES=563, PETRI_TRANSITIONS=599} [2021-03-26 05:25:09,888 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 510 predicate places. [2021-03-26 05:25:09,888 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:09,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 563 places, 599 transitions, 18804 flow [2021-03-26 05:25:09,889 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 563 places, 599 transitions, 18804 flow [2021-03-26 05:25:09,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 563 places, 599 transitions, 18804 flow [2021-03-26 05:25:10,151 INFO L129 PetriNetUnfolder]: 542/1379 cut-off events. [2021-03-26 05:25:10,151 INFO L130 PetriNetUnfolder]: For 81657/81729 co-relation queries the response was YES. [2021-03-26 05:25:10,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15951 conditions, 1379 events. 542/1379 cut-off events. For 81657/81729 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10232 event pairs, 21 based on Foata normal form. 14/1180 useless extension candidates. Maximal degree in co-relation 15698. Up to 242 conditions per place. [2021-03-26 05:25:10,196 INFO L142 LiptonReduction]: Number of co-enabled transitions 2540 [2021-03-26 05:25:10,237 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:10,237 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:10,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 349 [2021-03-26 05:25:10,238 INFO L480 AbstractCegarLoop]: Abstraction has has 563 places, 599 transitions, 18804 flow [2021-03-26 05:25:10,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:10,238 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:10,238 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:10,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable338 [2021-03-26 05:25:10,238 INFO L428 AbstractCegarLoop]: === Iteration 340 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:10,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:10,238 INFO L82 PathProgramCache]: Analyzing trace with hash 895056782, now seen corresponding path program 40 times [2021-03-26 05:25:10,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:10,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494576830] [2021-03-26 05:25:10,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:10,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:10,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:10,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:10,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:10,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:10,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:10,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:10,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:10,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:10,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:10,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:10,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:10,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:10,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:10,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:10,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:10,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:10,334 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:10,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:10,349 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:10,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:10,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494576830] [2021-03-26 05:25:10,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:10,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:10,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492614264] [2021-03-26 05:25:10,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:10,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:10,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:10,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:10,353 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 05:25:10,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 599 transitions, 18804 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:10,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:10,353 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 05:25:10,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:11,177 INFO L129 PetriNetUnfolder]: 601/1482 cut-off events. [2021-03-26 05:25:11,177 INFO L130 PetriNetUnfolder]: For 94317/94323 co-relation queries the response was YES. [2021-03-26 05:25:11,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18031 conditions, 1482 events. 601/1482 cut-off events. For 94317/94323 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10831 event pairs, 6 based on Foata normal form. 7/1272 useless extension candidates. Maximal degree in co-relation 17774. Up to 721 conditions per place. [2021-03-26 05:25:11,209 INFO L132 encePairwiseOnDemand]: 145/161 looper letters, 486 selfloop transitions, 113 changer transitions 0/617 dead transitions. [2021-03-26 05:25:11,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 617 transitions, 20400 flow [2021-03-26 05:25:11,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:25:11,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:25:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 755 transitions. [2021-03-26 05:25:11,210 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3349600709849157 [2021-03-26 05:25:11,210 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 755 transitions. [2021-03-26 05:25:11,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 755 transitions. [2021-03-26 05:25:11,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:11,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 755 transitions. [2021-03-26 05:25:11,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.92857142857143) internal successors, (755), 14 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:11,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 161.0) internal successors, (2415), 15 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:11,212 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 161.0) internal successors, (2415), 15 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:11,212 INFO L185 Difference]: Start difference. First operand has 563 places, 599 transitions, 18804 flow. Second operand 14 states and 755 transitions. [2021-03-26 05:25:11,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 617 transitions, 20400 flow [2021-03-26 05:25:11,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 617 transitions, 19930 flow, removed 156 selfloop flow, removed 8 redundant places. [2021-03-26 05:25:11,930 INFO L241 Difference]: Finished difference. Result has 572 places, 606 transitions, 18928 flow [2021-03-26 05:25:11,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=18336, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18928, PETRI_PLACES=572, PETRI_TRANSITIONS=606} [2021-03-26 05:25:11,930 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 519 predicate places. [2021-03-26 05:25:11,930 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:11,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 572 places, 606 transitions, 18928 flow [2021-03-26 05:25:11,931 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 572 places, 606 transitions, 18928 flow [2021-03-26 05:25:11,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 572 places, 606 transitions, 18928 flow [2021-03-26 05:25:12,201 INFO L129 PetriNetUnfolder]: 544/1391 cut-off events. [2021-03-26 05:25:12,201 INFO L130 PetriNetUnfolder]: For 85899/85994 co-relation queries the response was YES. [2021-03-26 05:25:12,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15987 conditions, 1391 events. 544/1391 cut-off events. For 85899/85994 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10356 event pairs, 16 based on Foata normal form. 10/1187 useless extension candidates. Maximal degree in co-relation 15730. Up to 243 conditions per place. [2021-03-26 05:25:12,246 INFO L142 LiptonReduction]: Number of co-enabled transitions 2592 [2021-03-26 05:25:12,289 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:12,290 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:12,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 360 [2021-03-26 05:25:12,290 INFO L480 AbstractCegarLoop]: Abstraction has has 572 places, 606 transitions, 18928 flow [2021-03-26 05:25:12,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:12,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:12,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:12,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable339 [2021-03-26 05:25:12,290 INFO L428 AbstractCegarLoop]: === Iteration 341 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:12,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:12,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1531533616, now seen corresponding path program 41 times [2021-03-26 05:25:12,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:12,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087520602] [2021-03-26 05:25:12,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:12,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:12,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:12,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:12,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:12,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:12,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:12,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:12,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:12,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:12,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:12,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:12,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:12,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:12,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:12,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:12,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:12,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:12,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:12,394 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:12,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:12,410 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:12,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:12,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087520602] [2021-03-26 05:25:12,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:12,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:25:12,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223754980] [2021-03-26 05:25:12,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:25:12,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:12,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:25:12,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:25:12,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 05:25:12,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 606 transitions, 18928 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:12,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:12,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 05:25:12,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:13,336 INFO L129 PetriNetUnfolder]: 624/1552 cut-off events. [2021-03-26 05:25:13,336 INFO L130 PetriNetUnfolder]: For 100128/100140 co-relation queries the response was YES. [2021-03-26 05:25:13,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18820 conditions, 1552 events. 624/1552 cut-off events. For 100128/100140 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 11495 event pairs, 8 based on Foata normal form. 13/1335 useless extension candidates. Maximal degree in co-relation 18559. Up to 609 conditions per place. [2021-03-26 05:25:13,369 INFO L132 encePairwiseOnDemand]: 144/161 looper letters, 390 selfloop transitions, 240 changer transitions 0/648 dead transitions. [2021-03-26 05:25:13,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 648 transitions, 21765 flow [2021-03-26 05:25:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:25:13,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:25:13,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 713 transitions. [2021-03-26 05:25:13,371 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34065934065934067 [2021-03-26 05:25:13,371 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 713 transitions. [2021-03-26 05:25:13,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 713 transitions. [2021-03-26 05:25:13,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:13,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 713 transitions. [2021-03-26 05:25:13,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.84615384615385) internal successors, (713), 13 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:13,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 161.0) internal successors, (2254), 14 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:13,372 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 161.0) internal successors, (2254), 14 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:13,372 INFO L185 Difference]: Start difference. First operand has 572 places, 606 transitions, 18928 flow. Second operand 13 states and 713 transitions. [2021-03-26 05:25:13,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 648 transitions, 21765 flow [2021-03-26 05:25:14,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 648 transitions, 21230 flow, removed 163 selfloop flow, removed 10 redundant places. [2021-03-26 05:25:14,051 INFO L241 Difference]: Finished difference. Result has 579 places, 632 transitions, 20535 flow [2021-03-26 05:25:14,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=18393, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20535, PETRI_PLACES=579, PETRI_TRANSITIONS=632} [2021-03-26 05:25:14,051 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 526 predicate places. [2021-03-26 05:25:14,051 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:14,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 579 places, 632 transitions, 20535 flow [2021-03-26 05:25:14,051 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 579 places, 632 transitions, 20535 flow [2021-03-26 05:25:14,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 579 places, 632 transitions, 20535 flow [2021-03-26 05:25:14,365 INFO L129 PetriNetUnfolder]: 578/1481 cut-off events. [2021-03-26 05:25:14,365 INFO L130 PetriNetUnfolder]: For 107755/107760 co-relation queries the response was YES. [2021-03-26 05:25:14,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17871 conditions, 1481 events. 578/1481 cut-off events. For 107755/107760 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11261 event pairs, 10 based on Foata normal form. 3/1261 useless extension candidates. Maximal degree in co-relation 17608. Up to 260 conditions per place. [2021-03-26 05:25:14,413 INFO L142 LiptonReduction]: Number of co-enabled transitions 2706 [2021-03-26 05:25:14,663 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 05:25:14,663 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 05:25:14,663 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 612 [2021-03-26 05:25:14,663 INFO L480 AbstractCegarLoop]: Abstraction has has 579 places, 632 transitions, 20860 flow [2021-03-26 05:25:14,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:14,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:14,664 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:14,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable340 [2021-03-26 05:25:14,664 INFO L428 AbstractCegarLoop]: === Iteration 342 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:14,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:14,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1215048138, now seen corresponding path program 42 times [2021-03-26 05:25:14,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:14,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576478395] [2021-03-26 05:25:14,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:14,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:14,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:14,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:14,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:14,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:14,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:14,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:14,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:14,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:14,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:14,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:14,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:14,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:14,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:14,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:14,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:14,751 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:25:14,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:25:14,754 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:14,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:14,769 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:14,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:14,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576478395] [2021-03-26 05:25:14,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:14,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:14,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977868710] [2021-03-26 05:25:14,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:14,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:14,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:14,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:14,773 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 166 [2021-03-26 05:25:14,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 579 places, 632 transitions, 20860 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:14,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:14,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 166 [2021-03-26 05:25:14,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:15,763 INFO L129 PetriNetUnfolder]: 636/1600 cut-off events. [2021-03-26 05:25:15,763 INFO L130 PetriNetUnfolder]: For 109734/109738 co-relation queries the response was YES. [2021-03-26 05:25:15,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19592 conditions, 1600 events. 636/1600 cut-off events. For 109734/109738 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 12088 event pairs, 6 based on Foata normal form. 6/1361 useless extension candidates. Maximal degree in co-relation 19325. Up to 673 conditions per place. [2021-03-26 05:25:15,798 INFO L132 encePairwiseOnDemand]: 149/166 looper letters, 429 selfloop transitions, 199 changer transitions 6/652 dead transitions. [2021-03-26 05:25:15,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 652 transitions, 22730 flow [2021-03-26 05:25:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:25:15,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:25:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 667 transitions. [2021-03-26 05:25:15,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3348393574297189 [2021-03-26 05:25:15,800 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 667 transitions. [2021-03-26 05:25:15,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 667 transitions. [2021-03-26 05:25:15,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:15,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 667 transitions. [2021-03-26 05:25:15,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.583333333333336) internal successors, (667), 12 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:15,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 166.0) internal successors, (2158), 13 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:15,801 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 166.0) internal successors, (2158), 13 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:15,801 INFO L185 Difference]: Start difference. First operand has 579 places, 632 transitions, 20860 flow. Second operand 12 states and 667 transitions. [2021-03-26 05:25:15,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 652 transitions, 22730 flow [2021-03-26 05:25:16,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 652 transitions, 21464 flow, removed 593 selfloop flow, removed 5 redundant places. [2021-03-26 05:25:16,707 INFO L241 Difference]: Finished difference. Result has 590 places, 633 transitions, 20436 flow [2021-03-26 05:25:16,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=19664, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=632, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=196, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20436, PETRI_PLACES=590, PETRI_TRANSITIONS=633} [2021-03-26 05:25:16,707 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 537 predicate places. [2021-03-26 05:25:16,708 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:16,708 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 590 places, 633 transitions, 20436 flow [2021-03-26 05:25:16,708 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 590 places, 633 transitions, 20436 flow [2021-03-26 05:25:16,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 590 places, 633 transitions, 20436 flow [2021-03-26 05:25:16,996 INFO L129 PetriNetUnfolder]: 568/1478 cut-off events. [2021-03-26 05:25:16,996 INFO L130 PetriNetUnfolder]: For 94345/94428 co-relation queries the response was YES. [2021-03-26 05:25:17,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16897 conditions, 1478 events. 568/1478 cut-off events. For 94345/94428 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11365 event pairs, 7 based on Foata normal form. 15/1259 useless extension candidates. Maximal degree in co-relation 16628. Up to 252 conditions per place. [2021-03-26 05:25:17,042 INFO L142 LiptonReduction]: Number of co-enabled transitions 2742 [2021-03-26 05:25:17,173 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:25:17,173 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:25:17,173 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-03-26 05:25:17,173 INFO L480 AbstractCegarLoop]: Abstraction has has 590 places, 633 transitions, 20447 flow [2021-03-26 05:25:17,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:17,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:17,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:17,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable341 [2021-03-26 05:25:17,173 INFO L428 AbstractCegarLoop]: === Iteration 343 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:17,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:17,174 INFO L82 PathProgramCache]: Analyzing trace with hash 108448334, now seen corresponding path program 43 times [2021-03-26 05:25:17,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:17,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307795601] [2021-03-26 05:25:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:17,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:17,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:17,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:17,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:17,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:17,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:17,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:17,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:17,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:17,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:17,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:17,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:17,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:17,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:17,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:17,249 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:17,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:17,264 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:17,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:17,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:17,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307795601] [2021-03-26 05:25:17,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:17,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:17,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167043206] [2021-03-26 05:25:17,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:17,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:17,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:17,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:17,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 167 [2021-03-26 05:25:17,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 633 transitions, 20447 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:17,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:17,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 167 [2021-03-26 05:25:17,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:18,095 INFO L129 PetriNetUnfolder]: 629/1583 cut-off events. [2021-03-26 05:25:18,095 INFO L130 PetriNetUnfolder]: For 95981/95993 co-relation queries the response was YES. [2021-03-26 05:25:18,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19084 conditions, 1583 events. 629/1583 cut-off events. For 95981/95993 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 11918 event pairs, 8 based on Foata normal form. 13/1357 useless extension candidates. Maximal degree in co-relation 18811. Up to 825 conditions per place. [2021-03-26 05:25:18,128 INFO L132 encePairwiseOnDemand]: 153/167 looper letters, 570 selfloop transitions, 40 changer transitions 15/643 dead transitions. [2021-03-26 05:25:18,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 643 transitions, 21939 flow [2021-03-26 05:25:18,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:25:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:25:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 647 transitions. [2021-03-26 05:25:18,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32285429141716565 [2021-03-26 05:25:18,130 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 647 transitions. [2021-03-26 05:25:18,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 647 transitions. [2021-03-26 05:25:18,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:18,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 647 transitions. [2021-03-26 05:25:18,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.916666666666664) internal successors, (647), 12 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:18,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 167.0) internal successors, (2171), 13 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:18,131 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 167.0) internal successors, (2171), 13 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:18,131 INFO L185 Difference]: Start difference. First operand has 590 places, 633 transitions, 20447 flow. Second operand 12 states and 647 transitions. [2021-03-26 05:25:18,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 643 transitions, 21939 flow [2021-03-26 05:25:18,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 643 transitions, 21584 flow, removed 22 selfloop flow, removed 12 redundant places. [2021-03-26 05:25:18,884 INFO L241 Difference]: Finished difference. Result has 593 places, 621 transitions, 19894 flow [2021-03-26 05:25:18,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=20092, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=593, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19894, PETRI_PLACES=593, PETRI_TRANSITIONS=621} [2021-03-26 05:25:18,884 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 540 predicate places. [2021-03-26 05:25:18,884 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:18,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 593 places, 621 transitions, 19894 flow [2021-03-26 05:25:18,884 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 593 places, 621 transitions, 19894 flow [2021-03-26 05:25:18,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 584 places, 621 transitions, 19894 flow [2021-03-26 05:25:19,176 INFO L129 PetriNetUnfolder]: 564/1442 cut-off events. [2021-03-26 05:25:19,176 INFO L130 PetriNetUnfolder]: For 95812/95830 co-relation queries the response was YES. [2021-03-26 05:25:19,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17082 conditions, 1442 events. 564/1442 cut-off events. For 95812/95830 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 10896 event pairs, 13 based on Foata normal form. 6/1231 useless extension candidates. Maximal degree in co-relation 16843. Up to 257 conditions per place. [2021-03-26 05:25:19,224 INFO L142 LiptonReduction]: Number of co-enabled transitions 2650 [2021-03-26 05:25:19,267 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:19,268 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:19,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 384 [2021-03-26 05:25:19,268 INFO L480 AbstractCegarLoop]: Abstraction has has 584 places, 621 transitions, 19894 flow [2021-03-26 05:25:19,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:19,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:19,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:19,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable342 [2021-03-26 05:25:19,268 INFO L428 AbstractCegarLoop]: === Iteration 344 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:19,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:19,269 INFO L82 PathProgramCache]: Analyzing trace with hash -399386432, now seen corresponding path program 44 times [2021-03-26 05:25:19,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:19,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585320685] [2021-03-26 05:25:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:19,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:19,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:19,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:19,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:19,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:19,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:19,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:19,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:19,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:19,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:19,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:19,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:19,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:19,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:19,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:19,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:19,343 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:25:19,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:25:19,346 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:19,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:19,360 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:19,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:19,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585320685] [2021-03-26 05:25:19,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:19,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:19,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557848436] [2021-03-26 05:25:19,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:19,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:19,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:19,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:19,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 167 [2021-03-26 05:25:19,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 621 transitions, 19894 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:19,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:19,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 167 [2021-03-26 05:25:19,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:20,201 INFO L129 PetriNetUnfolder]: 627/1580 cut-off events. [2021-03-26 05:25:20,201 INFO L130 PetriNetUnfolder]: For 97255/97259 co-relation queries the response was YES. [2021-03-26 05:25:20,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18933 conditions, 1580 events. 627/1580 cut-off events. For 97255/97259 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 11860 event pairs, 9 based on Foata normal form. 6/1345 useless extension candidates. Maximal degree in co-relation 18682. Up to 776 conditions per place. [2021-03-26 05:25:20,235 INFO L132 encePairwiseOnDemand]: 153/167 looper letters, 507 selfloop transitions, 103 changer transitions 11/639 dead transitions. [2021-03-26 05:25:20,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 639 transitions, 21808 flow [2021-03-26 05:25:20,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:25:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:25:20,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 603 transitions. [2021-03-26 05:25:20,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3282525857376157 [2021-03-26 05:25:20,237 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 603 transitions. [2021-03-26 05:25:20,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 603 transitions. [2021-03-26 05:25:20,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:20,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 603 transitions. [2021-03-26 05:25:20,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.81818181818182) internal successors, (603), 11 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:20,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 167.0) internal successors, (2004), 12 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:20,238 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 167.0) internal successors, (2004), 12 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:20,238 INFO L185 Difference]: Start difference. First operand has 584 places, 621 transitions, 19894 flow. Second operand 11 states and 603 transitions. [2021-03-26 05:25:20,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 639 transitions, 21808 flow [2021-03-26 05:25:21,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 639 transitions, 21601 flow, removed 50 selfloop flow, removed 14 redundant places. [2021-03-26 05:25:21,067 INFO L241 Difference]: Finished difference. Result has 584 places, 621 transitions, 20310 flow [2021-03-26 05:25:21,067 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=19701, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=20310, PETRI_PLACES=584, PETRI_TRANSITIONS=621} [2021-03-26 05:25:21,067 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 531 predicate places. [2021-03-26 05:25:21,067 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:21,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 584 places, 621 transitions, 20310 flow [2021-03-26 05:25:21,067 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 584 places, 621 transitions, 20310 flow [2021-03-26 05:25:21,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 584 places, 621 transitions, 20310 flow [2021-03-26 05:25:21,365 INFO L129 PetriNetUnfolder]: 560/1460 cut-off events. [2021-03-26 05:25:21,365 INFO L130 PetriNetUnfolder]: For 95141/95275 co-relation queries the response was YES. [2021-03-26 05:25:21,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16726 conditions, 1460 events. 560/1460 cut-off events. For 95141/95275 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 11272 event pairs, 16 based on Foata normal form. 15/1242 useless extension candidates. Maximal degree in co-relation 16460. Up to 252 conditions per place. [2021-03-26 05:25:21,414 INFO L142 LiptonReduction]: Number of co-enabled transitions 2728 [2021-03-26 05:25:21,550 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:21,550 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:25:21,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 484 [2021-03-26 05:25:21,551 INFO L480 AbstractCegarLoop]: Abstraction has has 584 places, 621 transitions, 20312 flow [2021-03-26 05:25:21,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:21,551 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:21,551 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:21,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable343 [2021-03-26 05:25:21,551 INFO L428 AbstractCegarLoop]: === Iteration 345 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:21,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:21,551 INFO L82 PathProgramCache]: Analyzing trace with hash -227056818, now seen corresponding path program 45 times [2021-03-26 05:25:21,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:21,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379614563] [2021-03-26 05:25:21,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:21,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:21,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:21,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:21,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:21,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:21,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:21,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:21,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:21,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:21,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:21,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:21,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:21,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:21,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:21,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:21,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:21,640 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:21,656 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:21,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:21,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379614563] [2021-03-26 05:25:21,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:21,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:21,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154658530] [2021-03-26 05:25:21,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:21,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:21,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:21,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:21,659 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:21,660 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 621 transitions, 20312 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:21,660 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:21,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:21,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:22,616 INFO L129 PetriNetUnfolder]: 621/1571 cut-off events. [2021-03-26 05:25:22,616 INFO L130 PetriNetUnfolder]: For 98360/98370 co-relation queries the response was YES. [2021-03-26 05:25:22,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19012 conditions, 1571 events. 621/1571 cut-off events. For 98360/98370 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11815 event pairs, 9 based on Foata normal form. 11/1345 useless extension candidates. Maximal degree in co-relation 18742. Up to 774 conditions per place. [2021-03-26 05:25:22,653 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 507 selfloop transitions, 110 changer transitions 0/635 dead transitions. [2021-03-26 05:25:22,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 635 transitions, 21904 flow [2021-03-26 05:25:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:25:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:25:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 702 transitions. [2021-03-26 05:25:22,654 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32142857142857145 [2021-03-26 05:25:22,654 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 702 transitions. [2021-03-26 05:25:22,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 702 transitions. [2021-03-26 05:25:22,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:22,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 702 transitions. [2021-03-26 05:25:22,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.0) internal successors, (702), 13 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:22,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:22,656 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:22,656 INFO L185 Difference]: Start difference. First operand has 584 places, 621 transitions, 20312 flow. Second operand 13 states and 702 transitions. [2021-03-26 05:25:22,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 635 transitions, 21904 flow [2021-03-26 05:25:23,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 635 transitions, 21327 flow, removed 230 selfloop flow, removed 10 redundant places. [2021-03-26 05:25:23,469 INFO L241 Difference]: Finished difference. Result has 590 places, 628 transitions, 20317 flow [2021-03-26 05:25:23,469 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19743, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20317, PETRI_PLACES=590, PETRI_TRANSITIONS=628} [2021-03-26 05:25:23,469 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 537 predicate places. [2021-03-26 05:25:23,469 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:23,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 590 places, 628 transitions, 20317 flow [2021-03-26 05:25:23,470 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 590 places, 628 transitions, 20317 flow [2021-03-26 05:25:23,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 590 places, 628 transitions, 20317 flow [2021-03-26 05:25:23,770 INFO L129 PetriNetUnfolder]: 578/1512 cut-off events. [2021-03-26 05:25:23,771 INFO L130 PetriNetUnfolder]: For 92822/92963 co-relation queries the response was YES. [2021-03-26 05:25:23,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17114 conditions, 1512 events. 578/1512 cut-off events. For 92822/92963 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11703 event pairs, 11 based on Foata normal form. 9/1279 useless extension candidates. Maximal degree in co-relation 16847. Up to 256 conditions per place. [2021-03-26 05:25:23,821 INFO L142 LiptonReduction]: Number of co-enabled transitions 2780 [2021-03-26 05:25:23,866 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:23,866 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:23,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 397 [2021-03-26 05:25:23,867 INFO L480 AbstractCegarLoop]: Abstraction has has 590 places, 628 transitions, 20317 flow [2021-03-26 05:25:23,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:23,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:23,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:23,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable344 [2021-03-26 05:25:23,867 INFO L428 AbstractCegarLoop]: === Iteration 346 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:23,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:23,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1311226276, now seen corresponding path program 1 times [2021-03-26 05:25:23,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:23,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431181563] [2021-03-26 05:25:23,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:23,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:23,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:23,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:23,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:23,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:23,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:23,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:23,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:25:23,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:23,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:23,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:23,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:23,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:23,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:23,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:23,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:23,954 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:23,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:23,961 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:23,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:23,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431181563] [2021-03-26 05:25:23,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:23,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:23,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740604408] [2021-03-26 05:25:23,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:23,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:23,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:23,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:23,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:23,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 628 transitions, 20317 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:23,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:23,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:23,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:24,723 INFO L129 PetriNetUnfolder]: 637/1620 cut-off events. [2021-03-26 05:25:24,723 INFO L130 PetriNetUnfolder]: For 94483/94487 co-relation queries the response was YES. [2021-03-26 05:25:24,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18941 conditions, 1620 events. 637/1620 cut-off events. For 94483/94487 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 12349 event pairs, 9 based on Foata normal form. 5/1372 useless extension candidates. Maximal degree in co-relation 18662. Up to 822 conditions per place. [2021-03-26 05:25:24,758 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 550 selfloop transitions, 64 changer transitions 8/640 dead transitions. [2021-03-26 05:25:24,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 600 places, 640 transitions, 21773 flow [2021-03-26 05:25:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:25:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:25:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 593 transitions. [2021-03-26 05:25:24,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3208874458874459 [2021-03-26 05:25:24,760 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 593 transitions. [2021-03-26 05:25:24,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 593 transitions. [2021-03-26 05:25:24,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:24,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 593 transitions. [2021-03-26 05:25:24,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.90909090909091) internal successors, (593), 11 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:24,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:24,761 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:24,761 INFO L185 Difference]: Start difference. First operand has 590 places, 628 transitions, 20317 flow. Second operand 11 states and 593 transitions. [2021-03-26 05:25:24,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 600 places, 640 transitions, 21773 flow [2021-03-26 05:25:25,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 640 transitions, 21292 flow, removed 155 selfloop flow, removed 9 redundant places. [2021-03-26 05:25:25,554 INFO L241 Difference]: Finished difference. Result has 594 places, 626 transitions, 19999 flow [2021-03-26 05:25:25,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19836, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=628, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=19999, PETRI_PLACES=594, PETRI_TRANSITIONS=626} [2021-03-26 05:25:25,554 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 541 predicate places. [2021-03-26 05:25:25,554 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:25,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 594 places, 626 transitions, 19999 flow [2021-03-26 05:25:25,555 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 594 places, 626 transitions, 19999 flow [2021-03-26 05:25:25,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 594 places, 626 transitions, 19999 flow [2021-03-26 05:25:25,853 INFO L129 PetriNetUnfolder]: 561/1484 cut-off events. [2021-03-26 05:25:25,853 INFO L130 PetriNetUnfolder]: For 83998/84104 co-relation queries the response was YES. [2021-03-26 05:25:25,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16703 conditions, 1484 events. 561/1484 cut-off events. For 83998/84104 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 11565 event pairs, 25 based on Foata normal form. 14/1265 useless extension candidates. Maximal degree in co-relation 16427. Up to 248 conditions per place. [2021-03-26 05:25:25,906 INFO L142 LiptonReduction]: Number of co-enabled transitions 2798 [2021-03-26 05:25:25,952 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:25,952 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:25,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-03-26 05:25:25,952 INFO L480 AbstractCegarLoop]: Abstraction has has 594 places, 626 transitions, 19999 flow [2021-03-26 05:25:25,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:25,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:25,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:25,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable345 [2021-03-26 05:25:25,953 INFO L428 AbstractCegarLoop]: === Iteration 347 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:25,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:25,953 INFO L82 PathProgramCache]: Analyzing trace with hash 179627942, now seen corresponding path program 2 times [2021-03-26 05:25:25,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:25,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940090499] [2021-03-26 05:25:25,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:25,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:25,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:25,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:25,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:25,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:25,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:25,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:25,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:25:25,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:25,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:26,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:26,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:26,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:26,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:26,033 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:25:26,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:25:26,048 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:26,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:26,064 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:25:26,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:26,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940090499] [2021-03-26 05:25:26,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:26,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:26,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906890909] [2021-03-26 05:25:26,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:26,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:26,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:26,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:26,068 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:26,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 626 transitions, 19999 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:26,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:26,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:26,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:26,970 INFO L129 PetriNetUnfolder]: 624/1588 cut-off events. [2021-03-26 05:25:26,971 INFO L130 PetriNetUnfolder]: For 91655/91661 co-relation queries the response was YES. [2021-03-26 05:25:27,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18627 conditions, 1588 events. 624/1588 cut-off events. For 91655/91661 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 12052 event pairs, 9 based on Foata normal form. 7/1350 useless extension candidates. Maximal degree in co-relation 18347. Up to 808 conditions per place. [2021-03-26 05:25:27,008 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 541 selfloop transitions, 66 changer transitions 8/633 dead transitions. [2021-03-26 05:25:27,008 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 633 transitions, 21314 flow [2021-03-26 05:25:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:25:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:25:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 648 transitions. [2021-03-26 05:25:27,010 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32142857142857145 [2021-03-26 05:25:27,010 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 648 transitions. [2021-03-26 05:25:27,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 648 transitions. [2021-03-26 05:25:27,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:27,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 648 transitions. [2021-03-26 05:25:27,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.0) internal successors, (648), 12 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:27,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:27,011 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:27,011 INFO L185 Difference]: Start difference. First operand has 594 places, 626 transitions, 19999 flow. Second operand 12 states and 648 transitions. [2021-03-26 05:25:27,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 633 transitions, 21314 flow [2021-03-26 05:25:27,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 633 transitions, 21013 flow, removed 56 selfloop flow, removed 11 redundant places. [2021-03-26 05:25:27,832 INFO L241 Difference]: Finished difference. Result has 596 places, 619 transitions, 19641 flow [2021-03-26 05:25:27,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19700, PETRI_DIFFERENCE_MINUEND_PLACES=583, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19641, PETRI_PLACES=596, PETRI_TRANSITIONS=619} [2021-03-26 05:25:27,832 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 543 predicate places. [2021-03-26 05:25:27,833 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:27,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 596 places, 619 transitions, 19641 flow [2021-03-26 05:25:27,833 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 596 places, 619 transitions, 19641 flow [2021-03-26 05:25:27,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 595 places, 619 transitions, 19641 flow [2021-03-26 05:25:28,140 INFO L129 PetriNetUnfolder]: 549/1453 cut-off events. [2021-03-26 05:25:28,140 INFO L130 PetriNetUnfolder]: For 89488/89625 co-relation queries the response was YES. [2021-03-26 05:25:28,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16114 conditions, 1453 events. 549/1453 cut-off events. For 89488/89625 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 11313 event pairs, 11 based on Foata normal form. 18/1238 useless extension candidates. Maximal degree in co-relation 15843. Up to 245 conditions per place. [2021-03-26 05:25:28,195 INFO L142 LiptonReduction]: Number of co-enabled transitions 2798 [2021-03-26 05:25:28,239 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:28,239 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:28,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 407 [2021-03-26 05:25:28,240 INFO L480 AbstractCegarLoop]: Abstraction has has 595 places, 619 transitions, 19641 flow [2021-03-26 05:25:28,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:28,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:28,240 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:28,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable346 [2021-03-26 05:25:28,240 INFO L428 AbstractCegarLoop]: === Iteration 348 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:28,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:28,240 INFO L82 PathProgramCache]: Analyzing trace with hash -249871152, now seen corresponding path program 3 times [2021-03-26 05:25:28,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:28,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549253895] [2021-03-26 05:25:28,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:28,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:28,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:28,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:28,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:28,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:28,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:28,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:28,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:25:28,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:28,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:28,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:28,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:28,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:28,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:28,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:28,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:28,363 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:28,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:28,390 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:28,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:28,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549253895] [2021-03-26 05:25:28,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:28,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:28,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366045440] [2021-03-26 05:25:28,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:28,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:28,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:28,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:28,395 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:28,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 619 transitions, 19641 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:28,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:28,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:28,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:29,257 INFO L129 PetriNetUnfolder]: 617/1573 cut-off events. [2021-03-26 05:25:29,257 INFO L130 PetriNetUnfolder]: For 91103/91115 co-relation queries the response was YES. [2021-03-26 05:25:29,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18428 conditions, 1573 events. 617/1573 cut-off events. For 91103/91115 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 11917 event pairs, 10 based on Foata normal form. 13/1344 useless extension candidates. Maximal degree in co-relation 18153. Up to 808 conditions per place. [2021-03-26 05:25:29,290 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 550 selfloop transitions, 46 changer transitions 12/626 dead transitions. [2021-03-26 05:25:29,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 626 transitions, 20942 flow [2021-03-26 05:25:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:25:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:25:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 688 transitions. [2021-03-26 05:25:29,292 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.315018315018315 [2021-03-26 05:25:29,292 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 688 transitions. [2021-03-26 05:25:29,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 688 transitions. [2021-03-26 05:25:29,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:29,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 688 transitions. [2021-03-26 05:25:29,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.92307692307692) internal successors, (688), 13 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:29,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:29,293 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:29,293 INFO L185 Difference]: Start difference. First operand has 595 places, 619 transitions, 19641 flow. Second operand 13 states and 688 transitions. [2021-03-26 05:25:29,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 626 transitions, 20942 flow [2021-03-26 05:25:30,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 626 transitions, 20600 flow, removed 5 selfloop flow, removed 22 redundant places. [2021-03-26 05:25:30,032 INFO L241 Difference]: Finished difference. Result has 587 places, 608 transitions, 19219 flow [2021-03-26 05:25:30,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19301, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=619, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19219, PETRI_PLACES=587, PETRI_TRANSITIONS=608} [2021-03-26 05:25:30,032 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 534 predicate places. [2021-03-26 05:25:30,032 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:30,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 587 places, 608 transitions, 19219 flow [2021-03-26 05:25:30,032 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 587 places, 608 transitions, 19219 flow [2021-03-26 05:25:30,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 578 places, 608 transitions, 19219 flow [2021-03-26 05:25:30,321 INFO L129 PetriNetUnfolder]: 547/1430 cut-off events. [2021-03-26 05:25:30,321 INFO L130 PetriNetUnfolder]: For 91294/91413 co-relation queries the response was YES. [2021-03-26 05:25:30,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16053 conditions, 1430 events. 547/1430 cut-off events. For 91294/91413 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 11043 event pairs, 8 based on Foata normal form. 16/1218 useless extension candidates. Maximal degree in co-relation 15794. Up to 247 conditions per place. [2021-03-26 05:25:30,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 2730 [2021-03-26 05:25:30,413 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:30,413 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:30,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 05:25:30,413 INFO L480 AbstractCegarLoop]: Abstraction has has 578 places, 608 transitions, 19219 flow [2021-03-26 05:25:30,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:30,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:30,414 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:30,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable347 [2021-03-26 05:25:30,414 INFO L428 AbstractCegarLoop]: === Iteration 349 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:30,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:30,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1336185528, now seen corresponding path program 46 times [2021-03-26 05:25:30,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:30,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368738963] [2021-03-26 05:25:30,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:30,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:30,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:30,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:30,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:30,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:30,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:30,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:30,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:30,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:30,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:30,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:30,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:30,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:30,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:30,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:30,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:30,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:30,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:30,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:30,508 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:30,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:30,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368738963] [2021-03-26 05:25:30,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:30,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:30,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868800149] [2021-03-26 05:25:30,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:30,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:30,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:30,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:30,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:30,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 608 transitions, 19219 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:30,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:30,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:30,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:31,312 INFO L129 PetriNetUnfolder]: 609/1544 cut-off events. [2021-03-26 05:25:31,312 INFO L130 PetriNetUnfolder]: For 91023/91029 co-relation queries the response was YES. [2021-03-26 05:25:31,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18220 conditions, 1544 events. 609/1544 cut-off events. For 91023/91029 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11658 event pairs, 11 based on Foata normal form. 7/1316 useless extension candidates. Maximal degree in co-relation 17959. Up to 788 conditions per place. [2021-03-26 05:25:31,347 INFO L132 encePairwiseOnDemand]: 154/168 looper letters, 521 selfloop transitions, 64 changer transitions 17/620 dead transitions. [2021-03-26 05:25:31,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 620 transitions, 20666 flow [2021-03-26 05:25:31,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:25:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:25:31,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 05:25:31,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3228021978021978 [2021-03-26 05:25:31,348 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 05:25:31,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 05:25:31,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:31,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 05:25:31,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:31,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:31,350 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:31,350 INFO L185 Difference]: Start difference. First operand has 578 places, 608 transitions, 19219 flow. Second operand 13 states and 705 transitions. [2021-03-26 05:25:31,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 620 transitions, 20666 flow [2021-03-26 05:25:32,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 620 transitions, 20504 flow, removed 10 selfloop flow, removed 14 redundant places. [2021-03-26 05:25:32,084 INFO L241 Difference]: Finished difference. Result has 579 places, 594 transitions, 19129 flow [2021-03-26 05:25:32,084 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19057, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19129, PETRI_PLACES=579, PETRI_TRANSITIONS=594} [2021-03-26 05:25:32,084 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 526 predicate places. [2021-03-26 05:25:32,084 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:32,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 579 places, 594 transitions, 19129 flow [2021-03-26 05:25:32,084 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 579 places, 594 transitions, 19129 flow [2021-03-26 05:25:32,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 576 places, 594 transitions, 19129 flow [2021-03-26 05:25:32,375 INFO L129 PetriNetUnfolder]: 549/1432 cut-off events. [2021-03-26 05:25:32,375 INFO L130 PetriNetUnfolder]: For 92054/92090 co-relation queries the response was YES. [2021-03-26 05:25:32,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16279 conditions, 1432 events. 549/1432 cut-off events. For 92054/92090 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 10938 event pairs, 8 based on Foata normal form. 8/1210 useless extension candidates. Maximal degree in co-relation 16018. Up to 250 conditions per place. [2021-03-26 05:25:32,424 INFO L142 LiptonReduction]: Number of co-enabled transitions 2618 [2021-03-26 05:25:32,465 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:32,465 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:32,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 05:25:32,466 INFO L480 AbstractCegarLoop]: Abstraction has has 576 places, 594 transitions, 19129 flow [2021-03-26 05:25:32,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:32,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:32,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:32,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable348 [2021-03-26 05:25:32,466 INFO L428 AbstractCegarLoop]: === Iteration 350 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:32,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:32,466 INFO L82 PathProgramCache]: Analyzing trace with hash 169690284, now seen corresponding path program 47 times [2021-03-26 05:25:32,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:32,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265099530] [2021-03-26 05:25:32,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:32,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:32,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:32,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:32,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:32,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:32,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:32,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:32,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:32,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:32,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:32,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:32,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:32,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:32,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:32,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:32,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:32,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:32,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:32,544 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:32,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:32,549 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:32,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:32,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265099530] [2021-03-26 05:25:32,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:32,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:25:32,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680009408] [2021-03-26 05:25:32,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:25:32,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:32,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:25:32,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:25:32,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:32,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 594 transitions, 19129 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:32,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:32,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:32,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:33,309 INFO L129 PetriNetUnfolder]: 598/1511 cut-off events. [2021-03-26 05:25:33,309 INFO L130 PetriNetUnfolder]: For 93006/93010 co-relation queries the response was YES. [2021-03-26 05:25:33,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18159 conditions, 1511 events. 598/1511 cut-off events. For 93006/93010 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 11244 event pairs, 10 based on Foata normal form. 5/1286 useless extension candidates. Maximal degree in co-relation 17896. Up to 784 conditions per place. [2021-03-26 05:25:33,345 INFO L132 encePairwiseOnDemand]: 154/168 looper letters, 532 selfloop transitions, 53 changer transitions 5/608 dead transitions. [2021-03-26 05:25:33,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 585 places, 608 transitions, 20878 flow [2021-03-26 05:25:33,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:25:33,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:25:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 547 transitions. [2021-03-26 05:25:33,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3255952380952381 [2021-03-26 05:25:33,346 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 547 transitions. [2021-03-26 05:25:33,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 547 transitions. [2021-03-26 05:25:33,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:33,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 547 transitions. [2021-03-26 05:25:33,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.7) internal successors, (547), 10 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:33,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:33,348 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:33,348 INFO L185 Difference]: Start difference. First operand has 576 places, 594 transitions, 19129 flow. Second operand 10 states and 547 transitions. [2021-03-26 05:25:33,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 585 places, 608 transitions, 20878 flow [2021-03-26 05:25:34,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 608 transitions, 20563 flow, removed 77 selfloop flow, removed 14 redundant places. [2021-03-26 05:25:34,116 INFO L241 Difference]: Finished difference. Result has 575 places, 596 transitions, 19110 flow [2021-03-26 05:25:34,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=18814, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19110, PETRI_PLACES=575, PETRI_TRANSITIONS=596} [2021-03-26 05:25:34,117 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 522 predicate places. [2021-03-26 05:25:34,117 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:34,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 575 places, 596 transitions, 19110 flow [2021-03-26 05:25:34,117 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 575 places, 596 transitions, 19110 flow [2021-03-26 05:25:34,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 574 places, 596 transitions, 19110 flow [2021-03-26 05:25:34,407 INFO L129 PetriNetUnfolder]: 543/1422 cut-off events. [2021-03-26 05:25:34,407 INFO L130 PetriNetUnfolder]: For 90834/90935 co-relation queries the response was YES. [2021-03-26 05:25:34,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16326 conditions, 1422 events. 543/1422 cut-off events. For 90834/90935 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 10872 event pairs, 7 based on Foata normal form. 9/1207 useless extension candidates. Maximal degree in co-relation 16059. Up to 250 conditions per place. [2021-03-26 05:25:34,457 INFO L142 LiptonReduction]: Number of co-enabled transitions 2618 [2021-03-26 05:25:34,498 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:34,498 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:34,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 05:25:34,498 INFO L480 AbstractCegarLoop]: Abstraction has has 574 places, 596 transitions, 19110 flow [2021-03-26 05:25:34,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:34,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:34,498 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:34,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable349 [2021-03-26 05:25:34,498 INFO L428 AbstractCegarLoop]: === Iteration 351 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:34,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:34,499 INFO L82 PathProgramCache]: Analyzing trace with hash 398968606, now seen corresponding path program 48 times [2021-03-26 05:25:34,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:34,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606375967] [2021-03-26 05:25:34,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:34,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:34,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:34,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:34,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:34,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:34,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:34,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:34,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:34,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:34,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:34,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:34,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:34,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:34,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:34,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:34,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:34,633 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:34,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:34,651 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:34,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:34,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606375967] [2021-03-26 05:25:34,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:34,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:25:34,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411736805] [2021-03-26 05:25:34,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:25:34,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:34,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:25:34,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:25:34,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:34,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 596 transitions, 19110 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:34,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:34,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:34,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:35,609 INFO L129 PetriNetUnfolder]: 598/1514 cut-off events. [2021-03-26 05:25:35,609 INFO L130 PetriNetUnfolder]: For 94275/94279 co-relation queries the response was YES. [2021-03-26 05:25:35,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18123 conditions, 1514 events. 598/1514 cut-off events. For 94275/94279 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 11274 event pairs, 9 based on Foata normal form. 5/1287 useless extension candidates. Maximal degree in co-relation 17852. Up to 648 conditions per place. [2021-03-26 05:25:35,644 INFO L132 encePairwiseOnDemand]: 152/168 looper letters, 417 selfloop transitions, 178 changer transitions 0/613 dead transitions. [2021-03-26 05:25:35,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 613 transitions, 20706 flow [2021-03-26 05:25:35,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:25:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:25:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 813 transitions. [2021-03-26 05:25:35,646 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32261904761904764 [2021-03-26 05:25:35,646 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 813 transitions. [2021-03-26 05:25:35,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 813 transitions. [2021-03-26 05:25:35,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:35,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 813 transitions. [2021-03-26 05:25:35,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.2) internal successors, (813), 15 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:35,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 168.0) internal successors, (2688), 16 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:35,647 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 168.0) internal successors, (2688), 16 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:35,647 INFO L185 Difference]: Start difference. First operand has 574 places, 596 transitions, 19110 flow. Second operand 15 states and 813 transitions. [2021-03-26 05:25:35,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 613 transitions, 20706 flow [2021-03-26 05:25:36,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 613 transitions, 20334 flow, removed 103 selfloop flow, removed 12 redundant places. [2021-03-26 05:25:36,446 INFO L241 Difference]: Finished difference. Result has 580 places, 601 transitions, 19422 flow [2021-03-26 05:25:36,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=18740, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=19422, PETRI_PLACES=580, PETRI_TRANSITIONS=601} [2021-03-26 05:25:36,447 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 527 predicate places. [2021-03-26 05:25:36,447 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:36,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 580 places, 601 transitions, 19422 flow [2021-03-26 05:25:36,447 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 580 places, 601 transitions, 19422 flow [2021-03-26 05:25:36,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 580 places, 601 transitions, 19422 flow [2021-03-26 05:25:36,724 INFO L129 PetriNetUnfolder]: 531/1402 cut-off events. [2021-03-26 05:25:36,725 INFO L130 PetriNetUnfolder]: For 89465/89568 co-relation queries the response was YES. [2021-03-26 05:25:36,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15971 conditions, 1402 events. 531/1402 cut-off events. For 89465/89568 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 10749 event pairs, 23 based on Foata normal form. 16/1195 useless extension candidates. Maximal degree in co-relation 15703. Up to 242 conditions per place. [2021-03-26 05:25:36,771 INFO L142 LiptonReduction]: Number of co-enabled transitions 2662 [2021-03-26 05:25:36,813 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:36,813 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:36,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 366 [2021-03-26 05:25:36,814 INFO L480 AbstractCegarLoop]: Abstraction has has 580 places, 601 transitions, 19422 flow [2021-03-26 05:25:36,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:36,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:36,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:36,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350 [2021-03-26 05:25:36,814 INFO L428 AbstractCegarLoop]: === Iteration 352 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:36,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:36,814 INFO L82 PathProgramCache]: Analyzing trace with hash 2008839446, now seen corresponding path program 49 times [2021-03-26 05:25:36,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:36,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755511849] [2021-03-26 05:25:36,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:36,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:36,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:36,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:36,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:36,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:36,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:36,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:36,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:36,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:36,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:36,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:36,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:36,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:36,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:36,880 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:25:36,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:25:36,883 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:25:36,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:25:36,895 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:36,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:36,899 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:36,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:36,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:36,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755511849] [2021-03-26 05:25:36,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:36,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:25:36,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726063018] [2021-03-26 05:25:36,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:25:36,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:36,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:25:36,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:25:36,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:36,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 601 transitions, 19422 flow. Second operand has 8 states, 8 states have (on average 49.625) internal successors, (397), 8 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:36,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:36,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:36,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:37,652 INFO L129 PetriNetUnfolder]: 610/1544 cut-off events. [2021-03-26 05:25:37,652 INFO L130 PetriNetUnfolder]: For 94723/94727 co-relation queries the response was YES. [2021-03-26 05:25:37,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18378 conditions, 1544 events. 610/1544 cut-off events. For 94723/94727 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11559 event pairs, 10 based on Foata normal form. 5/1311 useless extension candidates. Maximal degree in co-relation 18106. Up to 809 conditions per place. [2021-03-26 05:25:37,687 INFO L132 encePairwiseOnDemand]: 154/168 looper letters, 563 selfloop transitions, 37 changer transitions 2/620 dead transitions. [2021-03-26 05:25:37,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 620 transitions, 21153 flow [2021-03-26 05:25:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:25:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:25:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 494 transitions. [2021-03-26 05:25:37,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32671957671957674 [2021-03-26 05:25:37,689 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 494 transitions. [2021-03-26 05:25:37,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 494 transitions. [2021-03-26 05:25:37,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:37,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 494 transitions. [2021-03-26 05:25:37,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 54.888888888888886) internal successors, (494), 9 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:37,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:37,690 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:37,690 INFO L185 Difference]: Start difference. First operand has 580 places, 601 transitions, 19422 flow. Second operand 9 states and 494 transitions. [2021-03-26 05:25:37,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 620 transitions, 21153 flow [2021-03-26 05:25:38,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 620 transitions, 20486 flow, removed 179 selfloop flow, removed 11 redundant places. [2021-03-26 05:25:38,506 INFO L241 Difference]: Finished difference. Result has 582 places, 611 transitions, 19236 flow [2021-03-26 05:25:38,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=18755, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=19236, PETRI_PLACES=582, PETRI_TRANSITIONS=611} [2021-03-26 05:25:38,506 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 529 predicate places. [2021-03-26 05:25:38,506 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:38,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 582 places, 611 transitions, 19236 flow [2021-03-26 05:25:38,506 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 582 places, 611 transitions, 19236 flow [2021-03-26 05:25:38,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 581 places, 611 transitions, 19236 flow [2021-03-26 05:25:38,811 INFO L129 PetriNetUnfolder]: 559/1465 cut-off events. [2021-03-26 05:25:38,811 INFO L130 PetriNetUnfolder]: For 92827/92832 co-relation queries the response was YES. [2021-03-26 05:25:38,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16529 conditions, 1465 events. 559/1465 cut-off events. For 92827/92832 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11263 event pairs, 8 based on Foata normal form. 4/1238 useless extension candidates. Maximal degree in co-relation 16258. Up to 245 conditions per place. [2021-03-26 05:25:38,864 INFO L142 LiptonReduction]: Number of co-enabled transitions 2662 [2021-03-26 05:25:38,909 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:38,909 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:38,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 403 [2021-03-26 05:25:38,909 INFO L480 AbstractCegarLoop]: Abstraction has has 581 places, 611 transitions, 19236 flow [2021-03-26 05:25:38,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.625) internal successors, (397), 8 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:38,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:38,910 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:38,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable351 [2021-03-26 05:25:38,910 INFO L428 AbstractCegarLoop]: === Iteration 353 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:38,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1836023302, now seen corresponding path program 50 times [2021-03-26 05:25:38,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:38,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130378425] [2021-03-26 05:25:38,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:38,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:38,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:38,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:38,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:38,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:38,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:38,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:38,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:38,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:38,976 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:25:38,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:25:38,990 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:38,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:38,995 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:38,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:38,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:38,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130378425] [2021-03-26 05:25:38,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:38,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:25:38,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438032077] [2021-03-26 05:25:38,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:25:38,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:38,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:25:38,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:25:38,998 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:38,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 611 transitions, 19236 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:38,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:38,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:38,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:39,785 INFO L129 PetriNetUnfolder]: 607/1534 cut-off events. [2021-03-26 05:25:39,785 INFO L130 PetriNetUnfolder]: For 91694/91698 co-relation queries the response was YES. [2021-03-26 05:25:39,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18077 conditions, 1534 events. 607/1534 cut-off events. For 91694/91698 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11474 event pairs, 10 based on Foata normal form. 5/1304 useless extension candidates. Maximal degree in co-relation 17802. Up to 808 conditions per place. [2021-03-26 05:25:39,821 INFO L132 encePairwiseOnDemand]: 154/168 looper letters, 562 selfloop transitions, 38 changer transitions 2/620 dead transitions. [2021-03-26 05:25:39,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 620 transitions, 20646 flow [2021-03-26 05:25:39,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:25:39,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:25:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 543 transitions. [2021-03-26 05:25:39,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32321428571428573 [2021-03-26 05:25:39,823 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 543 transitions. [2021-03-26 05:25:39,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 543 transitions. [2021-03-26 05:25:39,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:39,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 543 transitions. [2021-03-26 05:25:39,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.3) internal successors, (543), 10 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:39,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:39,824 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:39,824 INFO L185 Difference]: Start difference. First operand has 581 places, 611 transitions, 19236 flow. Second operand 10 states and 543 transitions. [2021-03-26 05:25:39,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 620 transitions, 20646 flow [2021-03-26 05:25:40,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 620 transitions, 20522 flow, removed 56 selfloop flow, removed 3 redundant places. [2021-03-26 05:25:40,570 INFO L241 Difference]: Finished difference. Result has 590 places, 612 transitions, 19251 flow [2021-03-26 05:25:40,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19114, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19251, PETRI_PLACES=590, PETRI_TRANSITIONS=612} [2021-03-26 05:25:40,570 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 537 predicate places. [2021-03-26 05:25:40,571 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:40,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 590 places, 612 transitions, 19251 flow [2021-03-26 05:25:40,571 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 590 places, 612 transitions, 19251 flow [2021-03-26 05:25:40,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 589 places, 612 transitions, 19251 flow [2021-03-26 05:25:40,881 INFO L129 PetriNetUnfolder]: 555/1459 cut-off events. [2021-03-26 05:25:40,882 INFO L130 PetriNetUnfolder]: For 88664/88770 co-relation queries the response was YES. [2021-03-26 05:25:40,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16174 conditions, 1459 events. 555/1459 cut-off events. For 88664/88770 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11233 event pairs, 30 based on Foata normal form. 14/1238 useless extension candidates. Maximal degree in co-relation 15900. Up to 241 conditions per place. [2021-03-26 05:25:40,925 INFO L142 LiptonReduction]: Number of co-enabled transitions 2662 [2021-03-26 05:25:40,966 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:40,966 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:40,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 395 [2021-03-26 05:25:40,966 INFO L480 AbstractCegarLoop]: Abstraction has has 589 places, 612 transitions, 19251 flow [2021-03-26 05:25:40,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:40,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:40,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:40,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable352 [2021-03-26 05:25:40,967 INFO L428 AbstractCegarLoop]: === Iteration 354 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:40,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:40,967 INFO L82 PathProgramCache]: Analyzing trace with hash 40604756, now seen corresponding path program 51 times [2021-03-26 05:25:40,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:40,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017194985] [2021-03-26 05:25:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:40,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:40,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:40,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:40,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:40,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:40,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:40,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:40,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:41,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:41,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:41,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:41,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:41,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:41,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:41,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:41,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:41,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:41,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:41,064 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:41,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:41,071 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:41,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:41,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017194985] [2021-03-26 05:25:41,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:41,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:41,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727422356] [2021-03-26 05:25:41,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:41,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:41,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:41,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:41,074 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:41,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 612 transitions, 19251 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:41,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:41,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:41,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:41,865 INFO L129 PetriNetUnfolder]: 613/1554 cut-off events. [2021-03-26 05:25:41,865 INFO L130 PetriNetUnfolder]: For 91622/91628 co-relation queries the response was YES. [2021-03-26 05:25:41,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18207 conditions, 1554 events. 613/1554 cut-off events. For 91622/91628 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11717 event pairs, 10 based on Foata normal form. 7/1321 useless extension candidates. Maximal degree in co-relation 17929. Up to 770 conditions per place. [2021-03-26 05:25:41,899 INFO L132 encePairwiseOnDemand]: 154/168 looper letters, 519 selfloop transitions, 92 changer transitions 0/629 dead transitions. [2021-03-26 05:25:41,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 600 places, 629 transitions, 20858 flow [2021-03-26 05:25:41,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:25:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:25:41,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 654 transitions. [2021-03-26 05:25:41,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3244047619047619 [2021-03-26 05:25:41,900 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 654 transitions. [2021-03-26 05:25:41,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 654 transitions. [2021-03-26 05:25:41,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:41,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 654 transitions. [2021-03-26 05:25:41,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.5) internal successors, (654), 12 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:41,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:41,902 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:41,902 INFO L185 Difference]: Start difference. First operand has 589 places, 612 transitions, 19251 flow. Second operand 12 states and 654 transitions. [2021-03-26 05:25:41,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 600 places, 629 transitions, 20858 flow [2021-03-26 05:25:42,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 629 transitions, 20735 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-03-26 05:25:42,632 INFO L241 Difference]: Finished difference. Result has 596 places, 620 transitions, 19720 flow [2021-03-26 05:25:42,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19128, PETRI_DIFFERENCE_MINUEND_PLACES=582, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19720, PETRI_PLACES=596, PETRI_TRANSITIONS=620} [2021-03-26 05:25:42,633 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 543 predicate places. [2021-03-26 05:25:42,633 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:42,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 596 places, 620 transitions, 19720 flow [2021-03-26 05:25:42,633 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 596 places, 620 transitions, 19720 flow [2021-03-26 05:25:42,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 596 places, 620 transitions, 19720 flow [2021-03-26 05:25:42,931 INFO L129 PetriNetUnfolder]: 572/1495 cut-off events. [2021-03-26 05:25:42,931 INFO L130 PetriNetUnfolder]: For 97945/97965 co-relation queries the response was YES. [2021-03-26 05:25:42,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16838 conditions, 1495 events. 572/1495 cut-off events. For 97945/97965 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11641 event pairs, 5 based on Foata normal form. 8/1262 useless extension candidates. Maximal degree in co-relation 16563. Up to 248 conditions per place. [2021-03-26 05:25:42,983 INFO L142 LiptonReduction]: Number of co-enabled transitions 2718 [2021-03-26 05:25:43,028 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:43,028 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:43,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 395 [2021-03-26 05:25:43,029 INFO L480 AbstractCegarLoop]: Abstraction has has 596 places, 620 transitions, 19720 flow [2021-03-26 05:25:43,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:43,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:43,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:43,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable353 [2021-03-26 05:25:43,029 INFO L428 AbstractCegarLoop]: === Iteration 355 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:43,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:43,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1699723456, now seen corresponding path program 52 times [2021-03-26 05:25:43,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:43,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830108160] [2021-03-26 05:25:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:43,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:43,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:43,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:43,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:43,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:43,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:43,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:43,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:43,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:43,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:43,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:43,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:43,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:43,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:43,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:43,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:43,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:43,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:43,124 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:43,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:43,140 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:43,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:43,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830108160] [2021-03-26 05:25:43,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:43,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:43,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949420134] [2021-03-26 05:25:43,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:43,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:43,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:43,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:43,144 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:43,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 620 transitions, 19720 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:43,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:43,144 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:43,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:44,068 INFO L129 PetriNetUnfolder]: 615/1565 cut-off events. [2021-03-26 05:25:44,069 INFO L130 PetriNetUnfolder]: For 93970/93974 co-relation queries the response was YES. [2021-03-26 05:25:44,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18359 conditions, 1565 events. 615/1565 cut-off events. For 93970/93974 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 11829 event pairs, 10 based on Foata normal form. 5/1327 useless extension candidates. Maximal degree in co-relation 18080. Up to 759 conditions per place. [2021-03-26 05:25:44,101 INFO L132 encePairwiseOnDemand]: 154/168 looper letters, 501 selfloop transitions, 113 changer transitions 0/632 dead transitions. [2021-03-26 05:25:44,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 632 transitions, 21209 flow [2021-03-26 05:25:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:25:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:25:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2021-03-26 05:25:44,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32227891156462585 [2021-03-26 05:25:44,103 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 758 transitions. [2021-03-26 05:25:44,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 758 transitions. [2021-03-26 05:25:44,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:44,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 758 transitions. [2021-03-26 05:25:44,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.142857142857146) internal successors, (758), 14 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:44,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 168.0) internal successors, (2520), 15 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:44,105 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 168.0) internal successors, (2520), 15 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:44,105 INFO L185 Difference]: Start difference. First operand has 596 places, 620 transitions, 19720 flow. Second operand 14 states and 758 transitions. [2021-03-26 05:25:44,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 632 transitions, 21209 flow [2021-03-26 05:25:44,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 601 places, 632 transitions, 20880 flow, removed 94 selfloop flow, removed 8 redundant places. [2021-03-26 05:25:44,939 INFO L241 Difference]: Finished difference. Result has 604 places, 623 transitions, 19893 flow [2021-03-26 05:25:44,939 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19391, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19893, PETRI_PLACES=604, PETRI_TRANSITIONS=623} [2021-03-26 05:25:44,939 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 551 predicate places. [2021-03-26 05:25:44,939 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:44,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 604 places, 623 transitions, 19893 flow [2021-03-26 05:25:44,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 604 places, 623 transitions, 19893 flow [2021-03-26 05:25:44,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 604 places, 623 transitions, 19893 flow [2021-03-26 05:25:45,245 INFO L129 PetriNetUnfolder]: 560/1485 cut-off events. [2021-03-26 05:25:45,246 INFO L130 PetriNetUnfolder]: For 84968/85133 co-relation queries the response was YES. [2021-03-26 05:25:45,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16114 conditions, 1485 events. 560/1485 cut-off events. For 84968/85133 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11671 event pairs, 7 based on Foata normal form. 20/1256 useless extension candidates. Maximal degree in co-relation 15836. Up to 238 conditions per place. [2021-03-26 05:25:45,298 INFO L142 LiptonReduction]: Number of co-enabled transitions 2742 [2021-03-26 05:25:45,343 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:45,343 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:45,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-03-26 05:25:45,344 INFO L480 AbstractCegarLoop]: Abstraction has has 604 places, 623 transitions, 19893 flow [2021-03-26 05:25:45,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:45,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:45,344 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:45,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable354 [2021-03-26 05:25:45,344 INFO L428 AbstractCegarLoop]: === Iteration 356 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:45,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:45,344 INFO L82 PathProgramCache]: Analyzing trace with hash -360859992, now seen corresponding path program 53 times [2021-03-26 05:25:45,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:45,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446782571] [2021-03-26 05:25:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:45,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:45,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:45,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:45,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:45,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:45,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:45,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:45,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:45,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:45,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:45,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:45,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:45,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:45,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:45,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:45,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:45,409 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:45,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:45,422 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:45,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:45,438 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:45,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:45,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446782571] [2021-03-26 05:25:45,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:45,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:45,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274603260] [2021-03-26 05:25:45,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:45,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:45,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:45,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:45,441 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:45,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 623 transitions, 19893 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:45,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:45,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:45,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:46,349 INFO L129 PetriNetUnfolder]: 616/1582 cut-off events. [2021-03-26 05:25:46,349 INFO L130 PetriNetUnfolder]: For 97708/97714 co-relation queries the response was YES. [2021-03-26 05:25:46,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18505 conditions, 1582 events. 616/1582 cut-off events. For 97708/97714 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 12060 event pairs, 9 based on Foata normal form. 7/1345 useless extension candidates. Maximal degree in co-relation 18223. Up to 749 conditions per place. [2021-03-26 05:25:46,388 INFO L132 encePairwiseOnDemand]: 151/168 looper letters, 535 selfloop transitions, 96 changer transitions 0/649 dead transitions. [2021-03-26 05:25:46,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 649 transitions, 21679 flow [2021-03-26 05:25:46,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:25:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:25:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 612 transitions. [2021-03-26 05:25:46,390 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33116883116883117 [2021-03-26 05:25:46,390 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 612 transitions. [2021-03-26 05:25:46,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 612 transitions. [2021-03-26 05:25:46,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:46,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 612 transitions. [2021-03-26 05:25:46,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.63636363636363) internal successors, (612), 11 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:46,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:46,391 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:46,391 INFO L185 Difference]: Start difference. First operand has 604 places, 623 transitions, 19893 flow. Second operand 11 states and 612 transitions. [2021-03-26 05:25:46,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 649 transitions, 21679 flow [2021-03-26 05:25:47,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 649 transitions, 21305 flow, removed 70 selfloop flow, removed 12 redundant places. [2021-03-26 05:25:47,199 INFO L241 Difference]: Finished difference. Result has 608 places, 636 transitions, 20282 flow [2021-03-26 05:25:47,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19519, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=20282, PETRI_PLACES=608, PETRI_TRANSITIONS=636} [2021-03-26 05:25:47,200 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 555 predicate places. [2021-03-26 05:25:47,200 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:47,200 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 608 places, 636 transitions, 20282 flow [2021-03-26 05:25:47,200 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 608 places, 636 transitions, 20282 flow [2021-03-26 05:25:47,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 608 places, 636 transitions, 20282 flow [2021-03-26 05:25:47,551 INFO L129 PetriNetUnfolder]: 575/1518 cut-off events. [2021-03-26 05:25:47,552 INFO L130 PetriNetUnfolder]: For 95799/95872 co-relation queries the response was YES. [2021-03-26 05:25:47,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17004 conditions, 1518 events. 575/1518 cut-off events. For 95799/95872 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 11930 event pairs, 4 based on Foata normal form. 14/1285 useless extension candidates. Maximal degree in co-relation 16719. Up to 243 conditions per place. [2021-03-26 05:25:47,604 INFO L142 LiptonReduction]: Number of co-enabled transitions 2834 [2021-03-26 05:25:47,647 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:47,648 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:47,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 448 [2021-03-26 05:25:47,648 INFO L480 AbstractCegarLoop]: Abstraction has has 608 places, 636 transitions, 20282 flow [2021-03-26 05:25:47,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:47,648 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:47,648 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:47,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable355 [2021-03-26 05:25:47,648 INFO L428 AbstractCegarLoop]: === Iteration 357 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:47,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:47,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1052141582, now seen corresponding path program 54 times [2021-03-26 05:25:47,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:47,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122300028] [2021-03-26 05:25:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:47,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:47,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:47,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:47,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:47,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:47,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:47,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:47,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:47,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:47,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:47,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:47,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:47,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:47,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:47,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:47,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:47,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:47,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:47,736 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:47,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:47,744 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:47,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:47,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122300028] [2021-03-26 05:25:47,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:47,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:47,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666904318] [2021-03-26 05:25:47,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:47,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:47,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:47,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:47,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:47,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 636 transitions, 20282 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:47,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:47,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:47,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:48,582 INFO L129 PetriNetUnfolder]: 623/1604 cut-off events. [2021-03-26 05:25:48,582 INFO L130 PetriNetUnfolder]: For 97723/97727 co-relation queries the response was YES. [2021-03-26 05:25:48,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18715 conditions, 1604 events. 623/1604 cut-off events. For 97723/97727 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 12293 event pairs, 18 based on Foata normal form. 5/1359 useless extension candidates. Maximal degree in co-relation 18426. Up to 801 conditions per place. [2021-03-26 05:25:48,619 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 561 selfloop transitions, 68 changer transitions 0/647 dead transitions. [2021-03-26 05:25:48,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 618 places, 647 transitions, 21861 flow [2021-03-26 05:25:48,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:25:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:25:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 596 transitions. [2021-03-26 05:25:48,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3225108225108225 [2021-03-26 05:25:48,621 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 596 transitions. [2021-03-26 05:25:48,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 596 transitions. [2021-03-26 05:25:48,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:48,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 596 transitions. [2021-03-26 05:25:48,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.18181818181818) internal successors, (596), 11 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:48,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:48,622 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:48,622 INFO L185 Difference]: Start difference. First operand has 608 places, 636 transitions, 20282 flow. Second operand 11 states and 596 transitions. [2021-03-26 05:25:48,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 618 places, 647 transitions, 21861 flow [2021-03-26 05:25:49,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 647 transitions, 21541 flow, removed 142 selfloop flow, removed 4 redundant places. [2021-03-26 05:25:49,505 INFO L241 Difference]: Finished difference. Result has 617 places, 642 transitions, 20452 flow [2021-03-26 05:25:49,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=19962, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=570, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=20452, PETRI_PLACES=617, PETRI_TRANSITIONS=642} [2021-03-26 05:25:49,506 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 564 predicate places. [2021-03-26 05:25:49,506 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:49,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 617 places, 642 transitions, 20452 flow [2021-03-26 05:25:49,506 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 617 places, 642 transitions, 20452 flow [2021-03-26 05:25:49,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 617 places, 642 transitions, 20452 flow [2021-03-26 05:25:49,830 INFO L129 PetriNetUnfolder]: 577/1542 cut-off events. [2021-03-26 05:25:49,830 INFO L130 PetriNetUnfolder]: For 90688/90693 co-relation queries the response was YES. [2021-03-26 05:25:49,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16971 conditions, 1542 events. 577/1542 cut-off events. For 90688/90693 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 12157 event pairs, 5 based on Foata normal form. 3/1293 useless extension candidates. Maximal degree in co-relation 16682. Up to 242 conditions per place. [2021-03-26 05:25:49,885 INFO L142 LiptonReduction]: Number of co-enabled transitions 2882 [2021-03-26 05:25:49,933 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:49,933 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:49,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 427 [2021-03-26 05:25:49,933 INFO L480 AbstractCegarLoop]: Abstraction has has 617 places, 642 transitions, 20452 flow [2021-03-26 05:25:49,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:49,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:49,934 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:49,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable356 [2021-03-26 05:25:49,934 INFO L428 AbstractCegarLoop]: === Iteration 358 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:49,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:49,934 INFO L82 PathProgramCache]: Analyzing trace with hash -2019618836, now seen corresponding path program 55 times [2021-03-26 05:25:49,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:49,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993606039] [2021-03-26 05:25:49,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:49,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:49,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:49,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:49,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:49,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:49,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:49,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:49,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:49,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:49,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:49,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:49,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:49,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:49,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:49,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:49,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:49,996 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:49,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:50,009 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:50,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:50,024 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:50,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:50,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993606039] [2021-03-26 05:25:50,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:50,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:50,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155364773] [2021-03-26 05:25:50,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:50,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:50,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:50,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:50,027 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:50,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 642 transitions, 20452 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:50,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:50,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:50,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:50,924 INFO L129 PetriNetUnfolder]: 629/1631 cut-off events. [2021-03-26 05:25:50,924 INFO L130 PetriNetUnfolder]: For 97597/97601 co-relation queries the response was YES. [2021-03-26 05:25:50,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18805 conditions, 1631 events. 629/1631 cut-off events. For 97597/97601 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 12621 event pairs, 10 based on Foata normal form. 5/1381 useless extension candidates. Maximal degree in co-relation 18512. Up to 770 conditions per place. [2021-03-26 05:25:50,960 INFO L132 encePairwiseOnDemand]: 151/168 looper letters, 547 selfloop transitions, 97 changer transitions 0/662 dead transitions. [2021-03-26 05:25:50,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 662 transitions, 22144 flow [2021-03-26 05:25:50,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:25:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:25:50,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 610 transitions. [2021-03-26 05:25:50,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3300865800865801 [2021-03-26 05:25:50,962 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 610 transitions. [2021-03-26 05:25:50,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 610 transitions. [2021-03-26 05:25:50,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:50,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 610 transitions. [2021-03-26 05:25:50,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.45454545454545) internal successors, (610), 11 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:50,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:50,963 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:50,963 INFO L185 Difference]: Start difference. First operand has 617 places, 642 transitions, 20452 flow. Second operand 11 states and 610 transitions. [2021-03-26 05:25:50,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 662 transitions, 22144 flow [2021-03-26 05:25:51,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 662 transitions, 21770 flow, removed 134 selfloop flow, removed 7 redundant places. [2021-03-26 05:25:51,878 INFO L241 Difference]: Finished difference. Result has 624 places, 651 transitions, 20719 flow [2021-03-26 05:25:51,879 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=20078, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=642, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=20719, PETRI_PLACES=624, PETRI_TRANSITIONS=651} [2021-03-26 05:25:51,879 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 571 predicate places. [2021-03-26 05:25:51,879 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:51,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 624 places, 651 transitions, 20719 flow [2021-03-26 05:25:51,879 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 624 places, 651 transitions, 20719 flow [2021-03-26 05:25:51,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 624 places, 651 transitions, 20719 flow [2021-03-26 05:25:52,218 INFO L129 PetriNetUnfolder]: 583/1569 cut-off events. [2021-03-26 05:25:52,218 INFO L130 PetriNetUnfolder]: For 94064/94124 co-relation queries the response was YES. [2021-03-26 05:25:52,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17136 conditions, 1569 events. 583/1569 cut-off events. For 94064/94124 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 12529 event pairs, 5 based on Foata normal form. 14/1326 useless extension candidates. Maximal degree in co-relation 16841. Up to 243 conditions per place. [2021-03-26 05:25:52,273 INFO L142 LiptonReduction]: Number of co-enabled transitions 2976 [2021-03-26 05:25:52,322 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:52,322 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:52,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 443 [2021-03-26 05:25:52,322 INFO L480 AbstractCegarLoop]: Abstraction has has 624 places, 651 transitions, 20719 flow [2021-03-26 05:25:52,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:52,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:52,323 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:52,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable357 [2021-03-26 05:25:52,323 INFO L428 AbstractCegarLoop]: === Iteration 359 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:52,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:52,323 INFO L82 PathProgramCache]: Analyzing trace with hash -788297654, now seen corresponding path program 56 times [2021-03-26 05:25:52,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:52,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481163377] [2021-03-26 05:25:52,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:52,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:52,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:52,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:52,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:52,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:52,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:52,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:52,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:52,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:52,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:52,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:52,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:52,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:52,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:52,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:52,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:52,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:52,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:52,414 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:52,421 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:52,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481163377] [2021-03-26 05:25:52,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:52,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:52,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347686642] [2021-03-26 05:25:52,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:52,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:52,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:52,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:52,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:52,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 624 places, 651 transitions, 20719 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:52,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:52,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:52,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:53,306 INFO L129 PetriNetUnfolder]: 638/1664 cut-off events. [2021-03-26 05:25:53,306 INFO L130 PetriNetUnfolder]: For 99084/99088 co-relation queries the response was YES. [2021-03-26 05:25:53,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18999 conditions, 1664 events. 638/1664 cut-off events. For 99084/99088 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 13025 event pairs, 19 based on Foata normal form. 5/1404 useless extension candidates. Maximal degree in co-relation 18700. Up to 817 conditions per place. [2021-03-26 05:25:53,344 INFO L132 encePairwiseOnDemand]: 154/168 looper letters, 574 selfloop transitions, 69 changer transitions 0/661 dead transitions. [2021-03-26 05:25:53,344 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 661 transitions, 22232 flow [2021-03-26 05:25:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:25:53,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:25:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 649 transitions. [2021-03-26 05:25:53,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3219246031746032 [2021-03-26 05:25:53,346 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 649 transitions. [2021-03-26 05:25:53,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 649 transitions. [2021-03-26 05:25:53,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:53,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 649 transitions. [2021-03-26 05:25:53,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.083333333333336) internal successors, (649), 12 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:53,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:53,347 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:53,347 INFO L185 Difference]: Start difference. First operand has 624 places, 651 transitions, 20719 flow. Second operand 12 states and 649 transitions. [2021-03-26 05:25:53,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 661 transitions, 22232 flow [2021-03-26 05:25:54,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 661 transitions, 22038 flow, removed 75 selfloop flow, removed 5 redundant places. [2021-03-26 05:25:54,384 INFO L241 Difference]: Finished difference. Result has 633 places, 655 transitions, 20913 flow [2021-03-26 05:25:54,384 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=20525, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=651, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20913, PETRI_PLACES=633, PETRI_TRANSITIONS=655} [2021-03-26 05:25:54,384 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 580 predicate places. [2021-03-26 05:25:54,384 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:54,384 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 633 places, 655 transitions, 20913 flow [2021-03-26 05:25:54,384 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 633 places, 655 transitions, 20913 flow [2021-03-26 05:25:54,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 633 places, 655 transitions, 20913 flow [2021-03-26 05:25:54,713 INFO L129 PetriNetUnfolder]: 593/1606 cut-off events. [2021-03-26 05:25:54,714 INFO L130 PetriNetUnfolder]: For 93689/93697 co-relation queries the response was YES. [2021-03-26 05:25:54,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17214 conditions, 1606 events. 593/1606 cut-off events. For 93689/93697 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 13018 event pairs, 6 based on Foata normal form. 6/1341 useless extension candidates. Maximal degree in co-relation 16915. Up to 242 conditions per place. [2021-03-26 05:25:54,773 INFO L142 LiptonReduction]: Number of co-enabled transitions 3016 [2021-03-26 05:25:54,825 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:54,825 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:54,825 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 441 [2021-03-26 05:25:54,826 INFO L480 AbstractCegarLoop]: Abstraction has has 633 places, 655 transitions, 20913 flow [2021-03-26 05:25:54,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:54,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:54,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:54,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable358 [2021-03-26 05:25:54,826 INFO L428 AbstractCegarLoop]: === Iteration 360 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:54,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:54,826 INFO L82 PathProgramCache]: Analyzing trace with hash 2125783956, now seen corresponding path program 57 times [2021-03-26 05:25:54,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:54,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145971255] [2021-03-26 05:25:54,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:54,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:54,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:54,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:54,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:54,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:54,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:54,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:54,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:54,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:54,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:54,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:54,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:54,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:54,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:54,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:54,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:54,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:54,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:54,911 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:54,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:54,926 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:54,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:54,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145971255] [2021-03-26 05:25:54,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:54,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:54,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285757419] [2021-03-26 05:25:54,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:54,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:54,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:54,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:54,930 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:54,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 633 places, 655 transitions, 20913 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:54,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:54,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:54,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:55,822 INFO L129 PetriNetUnfolder]: 639/1673 cut-off events. [2021-03-26 05:25:55,823 INFO L130 PetriNetUnfolder]: For 98325/98331 co-relation queries the response was YES. [2021-03-26 05:25:55,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19109 conditions, 1673 events. 639/1673 cut-off events. For 98325/98331 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 13186 event pairs, 11 based on Foata normal form. 7/1413 useless extension candidates. Maximal degree in co-relation 18806. Up to 815 conditions per place. [2021-03-26 05:25:55,860 INFO L132 encePairwiseOnDemand]: 154/168 looper letters, 572 selfloop transitions, 73 changer transitions 0/663 dead transitions. [2021-03-26 05:25:55,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 645 places, 663 transitions, 22400 flow [2021-03-26 05:25:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:25:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:25:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 698 transitions. [2021-03-26 05:25:55,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31959706959706957 [2021-03-26 05:25:55,861 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 698 transitions. [2021-03-26 05:25:55,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 698 transitions. [2021-03-26 05:25:55,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:55,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 698 transitions. [2021-03-26 05:25:55,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.69230769230769) internal successors, (698), 13 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:55,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:55,863 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:55,863 INFO L185 Difference]: Start difference. First operand has 633 places, 655 transitions, 20913 flow. Second operand 13 states and 698 transitions. [2021-03-26 05:25:55,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 645 places, 663 transitions, 22400 flow [2021-03-26 05:25:56,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 663 transitions, 22159 flow, removed 62 selfloop flow, removed 8 redundant places. [2021-03-26 05:25:56,785 INFO L241 Difference]: Finished difference. Result has 640 places, 657 transitions, 21040 flow [2021-03-26 05:25:56,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=20672, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21040, PETRI_PLACES=640, PETRI_TRANSITIONS=657} [2021-03-26 05:25:56,786 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 587 predicate places. [2021-03-26 05:25:56,786 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:56,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 657 transitions, 21040 flow [2021-03-26 05:25:56,786 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 657 transitions, 21040 flow [2021-03-26 05:25:56,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 657 transitions, 21040 flow [2021-03-26 05:25:57,160 INFO L129 PetriNetUnfolder]: 581/1583 cut-off events. [2021-03-26 05:25:57,161 INFO L130 PetriNetUnfolder]: For 96393/96487 co-relation queries the response was YES. [2021-03-26 05:25:57,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16819 conditions, 1583 events. 581/1583 cut-off events. For 96393/96487 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 12839 event pairs, 3 based on Foata normal form. 23/1337 useless extension candidates. Maximal degree in co-relation 16517. Up to 237 conditions per place. [2021-03-26 05:25:57,206 INFO L142 LiptonReduction]: Number of co-enabled transitions 3036 [2021-03-26 05:25:57,253 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:57,253 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:57,253 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 467 [2021-03-26 05:25:57,253 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 657 transitions, 21040 flow [2021-03-26 05:25:57,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:57,253 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:57,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:57,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359 [2021-03-26 05:25:57,254 INFO L428 AbstractCegarLoop]: === Iteration 361 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:57,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:57,254 INFO L82 PathProgramCache]: Analyzing trace with hash 355994012, now seen corresponding path program 58 times [2021-03-26 05:25:57,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:57,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158963101] [2021-03-26 05:25:57,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:57,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:57,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:57,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:57,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:57,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:57,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:57,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:57,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:57,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:57,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:57,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:57,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:57,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:57,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:57,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:57,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:57,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:57,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:57,351 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:25:57,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:57,357 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:57,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:57,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:57,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158963101] [2021-03-26 05:25:57,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:57,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:25:57,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874719092] [2021-03-26 05:25:57,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:25:57,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:57,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:25:57,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:25:57,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:57,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 657 transitions, 21040 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:57,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:57,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:57,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:25:58,347 INFO L129 PetriNetUnfolder]: 643/1688 cut-off events. [2021-03-26 05:25:58,347 INFO L130 PetriNetUnfolder]: For 99697/99701 co-relation queries the response was YES. [2021-03-26 05:25:58,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19191 conditions, 1688 events. 643/1688 cut-off events. For 99697/99701 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 13329 event pairs, 11 based on Foata normal form. 5/1421 useless extension candidates. Maximal degree in co-relation 18885. Up to 790 conditions per place. [2021-03-26 05:25:58,387 INFO L132 encePairwiseOnDemand]: 152/168 looper letters, 568 selfloop transitions, 84 changer transitions 0/670 dead transitions. [2021-03-26 05:25:58,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 670 transitions, 22567 flow [2021-03-26 05:25:58,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:25:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:25:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 656 transitions. [2021-03-26 05:25:58,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3253968253968254 [2021-03-26 05:25:58,389 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 656 transitions. [2021-03-26 05:25:58,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 656 transitions. [2021-03-26 05:25:58,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:25:58,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 656 transitions. [2021-03-26 05:25:58,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.666666666666664) internal successors, (656), 12 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:58,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:58,390 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:58,390 INFO L185 Difference]: Start difference. First operand has 640 places, 657 transitions, 21040 flow. Second operand 12 states and 656 transitions. [2021-03-26 05:25:58,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 670 transitions, 22567 flow [2021-03-26 05:25:59,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 670 transitions, 22323 flow, removed 61 selfloop flow, removed 9 redundant places. [2021-03-26 05:25:59,410 INFO L241 Difference]: Finished difference. Result has 644 places, 660 transitions, 21146 flow [2021-03-26 05:25:59,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=20796, PETRI_DIFFERENCE_MINUEND_PLACES=631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=21146, PETRI_PLACES=644, PETRI_TRANSITIONS=660} [2021-03-26 05:25:59,411 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 591 predicate places. [2021-03-26 05:25:59,411 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:25:59,411 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 660 transitions, 21146 flow [2021-03-26 05:25:59,411 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 660 transitions, 21146 flow [2021-03-26 05:25:59,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 644 places, 660 transitions, 21146 flow [2021-03-26 05:25:59,764 INFO L129 PetriNetUnfolder]: 603/1637 cut-off events. [2021-03-26 05:25:59,765 INFO L130 PetriNetUnfolder]: For 92044/92051 co-relation queries the response was YES. [2021-03-26 05:25:59,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17463 conditions, 1637 events. 603/1637 cut-off events. For 92044/92051 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 13313 event pairs, 6 based on Foata normal form. 5/1363 useless extension candidates. Maximal degree in co-relation 17159. Up to 246 conditions per place. [2021-03-26 05:25:59,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 3070 [2021-03-26 05:25:59,874 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:25:59,874 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:25:59,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-03-26 05:25:59,874 INFO L480 AbstractCegarLoop]: Abstraction has has 644 places, 660 transitions, 21146 flow [2021-03-26 05:25:59,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:59,875 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:25:59,875 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:25:59,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable360 [2021-03-26 05:25:59,875 INFO L428 AbstractCegarLoop]: === Iteration 362 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:25:59,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:25:59,875 INFO L82 PathProgramCache]: Analyzing trace with hash -596097242, now seen corresponding path program 59 times [2021-03-26 05:25:59,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:25:59,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360258885] [2021-03-26 05:25:59,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:25:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:25:59,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:59,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:25:59,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:59,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:25:59,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:59,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:59,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:59,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:25:59,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:59,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:59,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:59,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:59,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:59,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:59,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:59,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:59,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:25:59,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:25:59,967 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:25:59,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:25:59,983 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:25:59,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:25:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:25:59,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360258885] [2021-03-26 05:25:59,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:25:59,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:25:59,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347074804] [2021-03-26 05:25:59,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:25:59,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:25:59,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:25:59,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:25:59,986 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:25:59,986 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 660 transitions, 21146 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:25:59,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:25:59,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:25:59,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:00,989 INFO L129 PetriNetUnfolder]: 646/1712 cut-off events. [2021-03-26 05:26:00,989 INFO L130 PetriNetUnfolder]: For 98039/98049 co-relation queries the response was YES. [2021-03-26 05:26:01,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19226 conditions, 1712 events. 646/1712 cut-off events. For 98039/98049 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 13632 event pairs, 10 based on Foata normal form. 11/1445 useless extension candidates. Maximal degree in co-relation 18918. Up to 758 conditions per place. [2021-03-26 05:26:01,028 INFO L132 encePairwiseOnDemand]: 150/168 looper letters, 544 selfloop transitions, 111 changer transitions 0/673 dead transitions. [2021-03-26 05:26:01,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 673 transitions, 22556 flow [2021-03-26 05:26:01,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:26:01,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:26:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2021-03-26 05:26:01,029 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32227891156462585 [2021-03-26 05:26:01,029 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 758 transitions. [2021-03-26 05:26:01,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 758 transitions. [2021-03-26 05:26:01,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:01,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 758 transitions. [2021-03-26 05:26:01,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.142857142857146) internal successors, (758), 14 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:01,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 168.0) internal successors, (2520), 15 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:01,031 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 168.0) internal successors, (2520), 15 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:01,031 INFO L185 Difference]: Start difference. First operand has 644 places, 660 transitions, 21146 flow. Second operand 14 states and 758 transitions. [2021-03-26 05:26:01,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 673 transitions, 22556 flow [2021-03-26 05:26:01,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 673 transitions, 22351 flow, removed 61 selfloop flow, removed 6 redundant places. [2021-03-26 05:26:01,998 INFO L241 Difference]: Finished difference. Result has 654 places, 662 transitions, 21225 flow [2021-03-26 05:26:01,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=20941, PETRI_DIFFERENCE_MINUEND_PLACES=638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=549, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21225, PETRI_PLACES=654, PETRI_TRANSITIONS=662} [2021-03-26 05:26:01,999 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 601 predicate places. [2021-03-26 05:26:01,999 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:01,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 662 transitions, 21225 flow [2021-03-26 05:26:01,999 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 662 transitions, 21225 flow [2021-03-26 05:26:02,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 662 transitions, 21225 flow [2021-03-26 05:26:02,351 INFO L129 PetriNetUnfolder]: 590/1626 cut-off events. [2021-03-26 05:26:02,351 INFO L130 PetriNetUnfolder]: For 85095/85187 co-relation queries the response was YES. [2021-03-26 05:26:02,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17102 conditions, 1626 events. 590/1626 cut-off events. For 85095/85187 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 13370 event pairs, 18 based on Foata normal form. 19/1367 useless extension candidates. Maximal degree in co-relation 16795. Up to 237 conditions per place. [2021-03-26 05:26:02,411 INFO L142 LiptonReduction]: Number of co-enabled transitions 3090 [2021-03-26 05:26:02,463 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:02,463 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:02,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 464 [2021-03-26 05:26:02,463 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 662 transitions, 21225 flow [2021-03-26 05:26:02,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:02,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:02,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:02,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable361 [2021-03-26 05:26:02,464 INFO L428 AbstractCegarLoop]: === Iteration 363 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:02,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:02,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1933320716, now seen corresponding path program 60 times [2021-03-26 05:26:02,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:02,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190164470] [2021-03-26 05:26:02,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:02,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:02,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:02,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:02,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:02,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:02,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:02,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:02,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:02,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:02,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:02,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:02,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:02,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:02,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:02,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:02,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:02,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:02,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:02,553 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:02,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:02,559 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:02,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:02,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190164470] [2021-03-26 05:26:02,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:02,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:02,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925289295] [2021-03-26 05:26:02,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:02,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:02,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:02,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:02,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:26:02,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 662 transitions, 21225 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:02,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:02,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:26:02,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:03,587 INFO L129 PetriNetUnfolder]: 649/1725 cut-off events. [2021-03-26 05:26:03,588 INFO L130 PetriNetUnfolder]: For 97709/97713 co-relation queries the response was YES. [2021-03-26 05:26:03,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19349 conditions, 1725 events. 649/1725 cut-off events. For 97709/97713 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 13807 event pairs, 10 based on Foata normal form. 5/1449 useless extension candidates. Maximal degree in co-relation 19038. Up to 772 conditions per place. [2021-03-26 05:26:03,617 INFO L132 encePairwiseOnDemand]: 152/168 looper letters, 537 selfloop transitions, 121 changer transitions 0/676 dead transitions. [2021-03-26 05:26:03,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 676 transitions, 22828 flow [2021-03-26 05:26:03,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:26:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:26:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 607 transitions. [2021-03-26 05:26:03,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32846320346320346 [2021-03-26 05:26:03,619 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 607 transitions. [2021-03-26 05:26:03,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 607 transitions. [2021-03-26 05:26:03,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:03,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 607 transitions. [2021-03-26 05:26:03,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.18181818181818) internal successors, (607), 11 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:03,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:03,620 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:03,620 INFO L185 Difference]: Start difference. First operand has 654 places, 662 transitions, 21225 flow. Second operand 11 states and 607 transitions. [2021-03-26 05:26:03,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 676 transitions, 22828 flow [2021-03-26 05:26:04,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 676 transitions, 22591 flow, removed 43 selfloop flow, removed 9 redundant places. [2021-03-26 05:26:04,592 INFO L241 Difference]: Finished difference. Result has 658 places, 666 transitions, 21538 flow [2021-03-26 05:26:04,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=20990, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=21538, PETRI_PLACES=658, PETRI_TRANSITIONS=666} [2021-03-26 05:26:04,592 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 605 predicate places. [2021-03-26 05:26:04,592 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:04,592 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 666 transitions, 21538 flow [2021-03-26 05:26:04,592 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 666 transitions, 21538 flow [2021-03-26 05:26:04,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 666 transitions, 21538 flow [2021-03-26 05:26:04,955 INFO L129 PetriNetUnfolder]: 616/1691 cut-off events. [2021-03-26 05:26:04,955 INFO L130 PetriNetUnfolder]: For 100241/100245 co-relation queries the response was YES. [2021-03-26 05:26:04,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18003 conditions, 1691 events. 616/1691 cut-off events. For 100241/100245 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 13936 event pairs, 5 based on Foata normal form. 3/1403 useless extension candidates. Maximal degree in co-relation 17693. Up to 246 conditions per place. [2021-03-26 05:26:05,017 INFO L142 LiptonReduction]: Number of co-enabled transitions 3134 [2021-03-26 05:26:05,069 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:05,069 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:05,070 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 478 [2021-03-26 05:26:05,070 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 666 transitions, 21538 flow [2021-03-26 05:26:05,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:05,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:05,070 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:05,070 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable362 [2021-03-26 05:26:05,070 INFO L428 AbstractCegarLoop]: === Iteration 364 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:05,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:05,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1383504014, now seen corresponding path program 61 times [2021-03-26 05:26:05,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:05,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009511682] [2021-03-26 05:26:05,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:05,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:05,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:05,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:05,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:05,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:05,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:05,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:05,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:05,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:05,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:05,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:05,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:05,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:05,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:05,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:05,147 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:05,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:05,162 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:05,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:05,179 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:05,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:05,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009511682] [2021-03-26 05:26:05,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:05,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:26:05,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088596523] [2021-03-26 05:26:05,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:26:05,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:05,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:26:05,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:26:05,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:26:05,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 666 transitions, 21538 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:05,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:05,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:26:05,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:06,206 INFO L129 PetriNetUnfolder]: 653/1749 cut-off events. [2021-03-26 05:26:06,206 INFO L130 PetriNetUnfolder]: For 99498/99504 co-relation queries the response was YES. [2021-03-26 05:26:06,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19595 conditions, 1749 events. 653/1749 cut-off events. For 99498/99504 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 14137 event pairs, 10 based on Foata normal form. 7/1471 useless extension candidates. Maximal degree in co-relation 19281. Up to 756 conditions per place. [2021-03-26 05:26:06,247 INFO L132 encePairwiseOnDemand]: 151/168 looper letters, 545 selfloop transitions, 124 changer transitions 0/687 dead transitions. [2021-03-26 05:26:06,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 687 transitions, 23221 flow [2021-03-26 05:26:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:26:06,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:26:06,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 663 transitions. [2021-03-26 05:26:06,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3288690476190476 [2021-03-26 05:26:06,249 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 663 transitions. [2021-03-26 05:26:06,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 663 transitions. [2021-03-26 05:26:06,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:06,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 663 transitions. [2021-03-26 05:26:06,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.25) internal successors, (663), 12 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:06,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:06,250 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:06,250 INFO L185 Difference]: Start difference. First operand has 658 places, 666 transitions, 21538 flow. Second operand 12 states and 663 transitions. [2021-03-26 05:26:06,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 687 transitions, 23221 flow [2021-03-26 05:26:07,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 687 transitions, 22837 flow, removed 90 selfloop flow, removed 7 redundant places. [2021-03-26 05:26:07,250 INFO L241 Difference]: Finished difference. Result has 668 places, 674 transitions, 21830 flow [2021-03-26 05:26:07,251 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=21154, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=21830, PETRI_PLACES=668, PETRI_TRANSITIONS=674} [2021-03-26 05:26:07,251 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 615 predicate places. [2021-03-26 05:26:07,251 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:07,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 668 places, 674 transitions, 21830 flow [2021-03-26 05:26:07,251 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 668 places, 674 transitions, 21830 flow [2021-03-26 05:26:07,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 668 places, 674 transitions, 21830 flow [2021-03-26 05:26:07,635 INFO L129 PetriNetUnfolder]: 607/1677 cut-off events. [2021-03-26 05:26:07,635 INFO L130 PetriNetUnfolder]: For 106379/106458 co-relation queries the response was YES. [2021-03-26 05:26:07,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17701 conditions, 1677 events. 607/1677 cut-off events. For 106379/106458 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 13956 event pairs, 1 based on Foata normal form. 20/1406 useless extension candidates. Maximal degree in co-relation 17384. Up to 237 conditions per place. [2021-03-26 05:26:07,699 INFO L142 LiptonReduction]: Number of co-enabled transitions 3218 [2021-03-26 05:26:07,749 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:07,749 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:07,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-03-26 05:26:07,749 INFO L480 AbstractCegarLoop]: Abstraction has has 668 places, 674 transitions, 21830 flow [2021-03-26 05:26:07,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:07,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:07,749 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:07,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable363 [2021-03-26 05:26:07,749 INFO L428 AbstractCegarLoop]: === Iteration 365 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:07,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:07,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1949787314, now seen corresponding path program 62 times [2021-03-26 05:26:07,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:07,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880636858] [2021-03-26 05:26:07,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:07,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:07,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:07,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:07,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:07,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:07,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:07,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:07,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:07,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:07,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:07,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:07,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:07,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:07,814 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:07,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:07,828 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:07,843 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:07,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:07,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880636858] [2021-03-26 05:26:07,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:07,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:07,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996423201] [2021-03-26 05:26:07,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:07,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:07,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:07,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:07,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:26:07,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 674 transitions, 21830 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:07,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:07,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:26:07,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:08,861 INFO L129 PetriNetUnfolder]: 669/1806 cut-off events. [2021-03-26 05:26:08,861 INFO L130 PetriNetUnfolder]: For 101548/101554 co-relation queries the response was YES. [2021-03-26 05:26:08,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19915 conditions, 1806 events. 669/1806 cut-off events. For 101548/101554 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 14757 event pairs, 9 based on Foata normal form. 7/1511 useless extension candidates. Maximal degree in co-relation 19594. Up to 807 conditions per place. [2021-03-26 05:26:08,909 INFO L132 encePairwiseOnDemand]: 151/168 looper letters, 584 selfloop transitions, 89 changer transitions 3/694 dead transitions. [2021-03-26 05:26:08,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 694 transitions, 23556 flow [2021-03-26 05:26:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:26:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:26:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 612 transitions. [2021-03-26 05:26:08,911 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33116883116883117 [2021-03-26 05:26:08,911 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 612 transitions. [2021-03-26 05:26:08,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 612 transitions. [2021-03-26 05:26:08,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:08,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 612 transitions. [2021-03-26 05:26:08,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.63636363636363) internal successors, (612), 11 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:08,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:08,912 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:08,912 INFO L185 Difference]: Start difference. First operand has 668 places, 674 transitions, 21830 flow. Second operand 11 states and 612 transitions. [2021-03-26 05:26:08,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 678 places, 694 transitions, 23556 flow [2021-03-26 05:26:09,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 694 transitions, 23303 flow, removed 72 selfloop flow, removed 8 redundant places. [2021-03-26 05:26:09,921 INFO L241 Difference]: Finished difference. Result has 674 places, 679 transitions, 22002 flow [2021-03-26 05:26:09,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=21581, PETRI_DIFFERENCE_MINUEND_PLACES=660, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=674, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=22002, PETRI_PLACES=674, PETRI_TRANSITIONS=679} [2021-03-26 05:26:09,922 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 621 predicate places. [2021-03-26 05:26:09,922 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:09,922 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 674 places, 679 transitions, 22002 flow [2021-03-26 05:26:09,922 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 674 places, 679 transitions, 22002 flow [2021-03-26 05:26:09,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 674 places, 679 transitions, 22002 flow [2021-03-26 05:26:10,272 INFO L129 PetriNetUnfolder]: 601/1684 cut-off events. [2021-03-26 05:26:10,272 INFO L130 PetriNetUnfolder]: For 96299/96444 co-relation queries the response was YES. [2021-03-26 05:26:10,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17383 conditions, 1684 events. 601/1684 cut-off events. For 96299/96444 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 14115 event pairs, 8 based on Foata normal form. 13/1403 useless extension candidates. Maximal degree in co-relation 17065. Up to 229 conditions per place. [2021-03-26 05:26:10,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 3272 [2021-03-26 05:26:10,445 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:10,445 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:10,445 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 523 [2021-03-26 05:26:10,445 INFO L480 AbstractCegarLoop]: Abstraction has has 674 places, 679 transitions, 22002 flow [2021-03-26 05:26:10,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:10,446 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:10,446 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:10,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable364 [2021-03-26 05:26:10,446 INFO L428 AbstractCegarLoop]: === Iteration 366 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:10,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:10,446 INFO L82 PathProgramCache]: Analyzing trace with hash 217664856, now seen corresponding path program 63 times [2021-03-26 05:26:10,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:10,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817249368] [2021-03-26 05:26:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:10,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:10,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:10,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:10,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:10,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:10,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:10,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:10,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:10,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:10,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:10,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:10,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:10,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:10,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:10,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:10,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:10,519 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:10,533 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:10,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:10,549 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:10,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:10,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817249368] [2021-03-26 05:26:10,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:10,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:26:10,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907310696] [2021-03-26 05:26:10,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:26:10,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:10,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:26:10,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:26:10,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 05:26:10,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 679 transitions, 22002 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:10,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:10,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 05:26:10,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:11,593 INFO L129 PetriNetUnfolder]: 684/1869 cut-off events. [2021-03-26 05:26:11,593 INFO L130 PetriNetUnfolder]: For 101401/101405 co-relation queries the response was YES. [2021-03-26 05:26:11,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20167 conditions, 1869 events. 684/1869 cut-off events. For 101401/101405 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 15569 event pairs, 9 based on Foata normal form. 5/1559 useless extension candidates. Maximal degree in co-relation 19845. Up to 745 conditions per place. [2021-03-26 05:26:11,637 INFO L132 encePairwiseOnDemand]: 148/168 looper letters, 449 selfloop transitions, 166 changer transitions 81/714 dead transitions. [2021-03-26 05:26:11,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 685 places, 714 transitions, 24120 flow [2021-03-26 05:26:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:26:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:26:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 663 transitions. [2021-03-26 05:26:11,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3288690476190476 [2021-03-26 05:26:11,639 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 663 transitions. [2021-03-26 05:26:11,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 663 transitions. [2021-03-26 05:26:11,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:11,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 663 transitions. [2021-03-26 05:26:11,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.25) internal successors, (663), 12 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:11,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:11,640 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:11,640 INFO L185 Difference]: Start difference. First operand has 674 places, 679 transitions, 22002 flow. Second operand 12 states and 663 transitions. [2021-03-26 05:26:11,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 685 places, 714 transitions, 24120 flow [2021-03-26 05:26:12,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 679 places, 714 transitions, 23988 flow, removed 36 selfloop flow, removed 6 redundant places. [2021-03-26 05:26:12,763 INFO L241 Difference]: Finished difference. Result has 685 places, 622 transitions, 20823 flow [2021-03-26 05:26:12,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=21870, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20823, PETRI_PLACES=685, PETRI_TRANSITIONS=622} [2021-03-26 05:26:12,763 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 632 predicate places. [2021-03-26 05:26:12,764 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:12,764 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 685 places, 622 transitions, 20823 flow [2021-03-26 05:26:12,764 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 685 places, 622 transitions, 20823 flow [2021-03-26 05:26:12,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 656 places, 622 transitions, 20823 flow [2021-03-26 05:26:13,100 INFO L129 PetriNetUnfolder]: 559/1503 cut-off events. [2021-03-26 05:26:13,100 INFO L130 PetriNetUnfolder]: For 96946/96992 co-relation queries the response was YES. [2021-03-26 05:26:13,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16802 conditions, 1503 events. 559/1503 cut-off events. For 96946/96992 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 11899 event pairs, 9 based on Foata normal form. 19/1266 useless extension candidates. Maximal degree in co-relation 16490. Up to 234 conditions per place. [2021-03-26 05:26:13,155 INFO L142 LiptonReduction]: Number of co-enabled transitions 2762 [2021-03-26 05:26:13,311 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 05:26:13,311 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:26:13,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 547 [2021-03-26 05:26:13,311 INFO L480 AbstractCegarLoop]: Abstraction has has 655 places, 621 transitions, 20832 flow [2021-03-26 05:26:13,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:13,311 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:13,311 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:13,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable365 [2021-03-26 05:26:13,311 INFO L428 AbstractCegarLoop]: === Iteration 367 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:13,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:13,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1563294912, now seen corresponding path program 64 times [2021-03-26 05:26:13,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:13,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59054054] [2021-03-26 05:26:13,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:13,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:13,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:13,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:13,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:13,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:13,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:13,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:13,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:13,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:13,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:13,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:13,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:13,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:13,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:13,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:13,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:13,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:13,389 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:13,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:13,403 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:13,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:13,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59054054] [2021-03-26 05:26:13,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:13,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:13,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145551746] [2021-03-26 05:26:13,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:13,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:13,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:13,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:13,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:13,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 621 transitions, 20832 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:13,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:13,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:13,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:14,272 INFO L129 PetriNetUnfolder]: 614/1593 cut-off events. [2021-03-26 05:26:14,272 INFO L130 PetriNetUnfolder]: For 102331/102341 co-relation queries the response was YES. [2021-03-26 05:26:14,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18965 conditions, 1593 events. 614/1593 cut-off events. For 102331/102341 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 12237 event pairs, 10 based on Foata normal form. 11/1347 useless extension candidates. Maximal degree in co-relation 18649. Up to 779 conditions per place. [2021-03-26 05:26:14,312 INFO L132 encePairwiseOnDemand]: 155/170 looper letters, 563 selfloop transitions, 42 changer transitions 8/631 dead transitions. [2021-03-26 05:26:14,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 631 transitions, 22180 flow [2021-03-26 05:26:14,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:26:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:26:14,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 643 transitions. [2021-03-26 05:26:14,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31519607843137254 [2021-03-26 05:26:14,313 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 643 transitions. [2021-03-26 05:26:14,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 643 transitions. [2021-03-26 05:26:14,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:14,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 643 transitions. [2021-03-26 05:26:14,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.583333333333336) internal successors, (643), 12 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:14,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:14,315 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:14,315 INFO L185 Difference]: Start difference. First operand has 655 places, 621 transitions, 20832 flow. Second operand 12 states and 643 transitions. [2021-03-26 05:26:14,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 631 transitions, 22180 flow [2021-03-26 05:26:15,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 631 transitions, 21213 flow, removed 119 selfloop flow, removed 48 redundant places. [2021-03-26 05:26:15,385 INFO L241 Difference]: Finished difference. Result has 621 places, 615 transitions, 19765 flow [2021-03-26 05:26:15,385 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=19869, PETRI_DIFFERENCE_MINUEND_PLACES=607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19765, PETRI_PLACES=621, PETRI_TRANSITIONS=615} [2021-03-26 05:26:15,385 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 568 predicate places. [2021-03-26 05:26:15,385 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:15,385 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 621 places, 615 transitions, 19765 flow [2021-03-26 05:26:15,385 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 621 places, 615 transitions, 19765 flow [2021-03-26 05:26:15,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 617 places, 615 transitions, 19765 flow [2021-03-26 05:26:15,695 INFO L129 PetriNetUnfolder]: 552/1456 cut-off events. [2021-03-26 05:26:15,696 INFO L130 PetriNetUnfolder]: For 93240/93363 co-relation queries the response was YES. [2021-03-26 05:26:15,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16047 conditions, 1456 events. 552/1456 cut-off events. For 93240/93363 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11374 event pairs, 11 based on Foata normal form. 14/1222 useless extension candidates. Maximal degree in co-relation 15760. Up to 228 conditions per place. [2021-03-26 05:26:15,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 2714 [2021-03-26 05:26:15,792 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:15,792 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:15,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 407 [2021-03-26 05:26:15,792 INFO L480 AbstractCegarLoop]: Abstraction has has 617 places, 615 transitions, 19765 flow [2021-03-26 05:26:15,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:15,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:15,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:15,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable366 [2021-03-26 05:26:15,793 INFO L428 AbstractCegarLoop]: === Iteration 368 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:15,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:15,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1321748694, now seen corresponding path program 65 times [2021-03-26 05:26:15,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:15,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192161625] [2021-03-26 05:26:15,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:15,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:15,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:15,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:15,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:15,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:15,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:15,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:15,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:15,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:15,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:15,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:15,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:15,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:15,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:15,870 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:15,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:15,875 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:15,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:15,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192161625] [2021-03-26 05:26:15,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:15,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:26:15,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329918523] [2021-03-26 05:26:15,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:26:15,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:15,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:26:15,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:26:15,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:15,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 615 transitions, 19765 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:15,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:15,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:15,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:16,636 INFO L129 PetriNetUnfolder]: 606/1547 cut-off events. [2021-03-26 05:26:16,636 INFO L130 PetriNetUnfolder]: For 92932/92942 co-relation queries the response was YES. [2021-03-26 05:26:16,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18154 conditions, 1547 events. 606/1547 cut-off events. For 92932/92942 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11699 event pairs, 3 based on Foata normal form. 11/1311 useless extension candidates. Maximal degree in co-relation 17865. Up to 791 conditions per place. [2021-03-26 05:26:16,672 INFO L132 encePairwiseOnDemand]: 156/170 looper letters, 570 selfloop transitions, 34 changer transitions 0/622 dead transitions. [2021-03-26 05:26:16,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 622 transitions, 21087 flow [2021-03-26 05:26:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:26:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:26:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 538 transitions. [2021-03-26 05:26:16,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3164705882352941 [2021-03-26 05:26:16,674 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 538 transitions. [2021-03-26 05:26:16,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 538 transitions. [2021-03-26 05:26:16,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:16,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 538 transitions. [2021-03-26 05:26:16,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 53.8) internal successors, (538), 10 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:16,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:16,675 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:16,675 INFO L185 Difference]: Start difference. First operand has 617 places, 615 transitions, 19765 flow. Second operand 10 states and 538 transitions. [2021-03-26 05:26:16,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 622 transitions, 21087 flow [2021-03-26 05:26:17,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 622 transitions, 20940 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 05:26:17,607 INFO L241 Difference]: Finished difference. Result has 615 places, 616 transitions, 19783 flow [2021-03-26 05:26:17,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=19618, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19783, PETRI_PLACES=615, PETRI_TRANSITIONS=616} [2021-03-26 05:26:17,607 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 562 predicate places. [2021-03-26 05:26:17,607 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:17,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 616 transitions, 19783 flow [2021-03-26 05:26:17,607 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 616 transitions, 19783 flow [2021-03-26 05:26:17,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 615 places, 616 transitions, 19783 flow [2021-03-26 05:26:17,919 INFO L129 PetriNetUnfolder]: 573/1509 cut-off events. [2021-03-26 05:26:17,919 INFO L130 PetriNetUnfolder]: For 100055/100088 co-relation queries the response was YES. [2021-03-26 05:26:17,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17023 conditions, 1509 events. 573/1509 cut-off events. For 100055/100088 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 11725 event pairs, 3 based on Foata normal form. 1/1259 useless extension candidates. Maximal degree in co-relation 16725. Up to 240 conditions per place. [2021-03-26 05:26:17,972 INFO L142 LiptonReduction]: Number of co-enabled transitions 2728 [2021-03-26 05:26:18,017 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:18,017 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:18,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 410 [2021-03-26 05:26:18,017 INFO L480 AbstractCegarLoop]: Abstraction has has 615 places, 616 transitions, 19783 flow [2021-03-26 05:26:18,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:18,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:18,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:18,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable367 [2021-03-26 05:26:18,017 INFO L428 AbstractCegarLoop]: === Iteration 369 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:18,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:18,018 INFO L82 PathProgramCache]: Analyzing trace with hash 144395708, now seen corresponding path program 66 times [2021-03-26 05:26:18,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:18,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837276833] [2021-03-26 05:26:18,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:18,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:18,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:18,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:18,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:18,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:18,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:18,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:18,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:18,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:18,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:18,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:18,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:18,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:18,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:18,079 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:26:18,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:26:18,082 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:26:18,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:26:18,095 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:18,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:18,100 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:26:18,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:18,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837276833] [2021-03-26 05:26:18,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:18,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:26:18,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849656368] [2021-03-26 05:26:18,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:26:18,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:18,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:26:18,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:26:18,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:18,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 615 places, 616 transitions, 19783 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:18,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:18,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:18,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:18,886 INFO L129 PetriNetUnfolder]: 608/1560 cut-off events. [2021-03-26 05:26:18,886 INFO L130 PetriNetUnfolder]: For 95751/95755 co-relation queries the response was YES. [2021-03-26 05:26:18,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18258 conditions, 1560 events. 608/1560 cut-off events. For 95751/95755 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11786 event pairs, 9 based on Foata normal form. 5/1316 useless extension candidates. Maximal degree in co-relation 17956. Up to 780 conditions per place. [2021-03-26 05:26:18,925 INFO L132 encePairwiseOnDemand]: 156/170 looper letters, 544 selfloop transitions, 62 changer transitions 2/626 dead transitions. [2021-03-26 05:26:18,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 626 transitions, 21329 flow [2021-03-26 05:26:18,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:26:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:26:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 542 transitions. [2021-03-26 05:26:18,926 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31882352941176473 [2021-03-26 05:26:18,926 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 542 transitions. [2021-03-26 05:26:18,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 542 transitions. [2021-03-26 05:26:18,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:18,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 542 transitions. [2021-03-26 05:26:18,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.2) internal successors, (542), 10 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:18,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:18,928 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:18,928 INFO L185 Difference]: Start difference. First operand has 615 places, 616 transitions, 19783 flow. Second operand 10 states and 542 transitions. [2021-03-26 05:26:18,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 626 transitions, 21329 flow [2021-03-26 05:26:19,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 626 transitions, 21119 flow, removed 50 selfloop flow, removed 9 redundant places. [2021-03-26 05:26:19,806 INFO L241 Difference]: Finished difference. Result has 617 places, 618 transitions, 19881 flow [2021-03-26 05:26:19,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=19573, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19881, PETRI_PLACES=617, PETRI_TRANSITIONS=618} [2021-03-26 05:26:19,806 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 564 predicate places. [2021-03-26 05:26:19,806 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:19,806 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 617 places, 618 transitions, 19881 flow [2021-03-26 05:26:19,806 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 617 places, 618 transitions, 19881 flow [2021-03-26 05:26:19,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 616 places, 618 transitions, 19881 flow [2021-03-26 05:26:20,115 INFO L129 PetriNetUnfolder]: 560/1488 cut-off events. [2021-03-26 05:26:20,115 INFO L130 PetriNetUnfolder]: For 87510/87630 co-relation queries the response was YES. [2021-03-26 05:26:20,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16113 conditions, 1488 events. 560/1488 cut-off events. For 87510/87630 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 11660 event pairs, 22 based on Foata normal form. 17/1248 useless extension candidates. Maximal degree in co-relation 15815. Up to 231 conditions per place. [2021-03-26 05:26:20,168 INFO L142 LiptonReduction]: Number of co-enabled transitions 2728 [2021-03-26 05:26:20,212 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:20,212 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:20,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 406 [2021-03-26 05:26:20,213 INFO L480 AbstractCegarLoop]: Abstraction has has 616 places, 618 transitions, 19881 flow [2021-03-26 05:26:20,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:20,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:20,213 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:20,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable368 [2021-03-26 05:26:20,213 INFO L428 AbstractCegarLoop]: === Iteration 370 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:20,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:20,213 INFO L82 PathProgramCache]: Analyzing trace with hash -430325178, now seen corresponding path program 67 times [2021-03-26 05:26:20,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:20,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69296681] [2021-03-26 05:26:20,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:20,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:20,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:20,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:20,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:20,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:20,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:20,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:20,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:20,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:20,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:20,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:20,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:20,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:20,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:20,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:20,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:20,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:20,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:20,314 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:20,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:20,329 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:20,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:20,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69296681] [2021-03-26 05:26:20,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:20,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:20,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171027527] [2021-03-26 05:26:20,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:20,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:20,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:20,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:20,332 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:20,332 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 618 transitions, 19881 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:20,332 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:20,332 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:20,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:21,141 INFO L129 PetriNetUnfolder]: 610/1571 cut-off events. [2021-03-26 05:26:21,142 INFO L130 PetriNetUnfolder]: For 95678/95682 co-relation queries the response was YES. [2021-03-26 05:26:21,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18210 conditions, 1571 events. 610/1571 cut-off events. For 95678/95682 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 11946 event pairs, 9 based on Foata normal form. 5/1323 useless extension candidates. Maximal degree in co-relation 17908. Up to 764 conditions per place. [2021-03-26 05:26:21,178 INFO L132 encePairwiseOnDemand]: 156/170 looper letters, 549 selfloop transitions, 55 changer transitions 7/629 dead transitions. [2021-03-26 05:26:21,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 629 transitions, 21218 flow [2021-03-26 05:26:21,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:26:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:26:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 701 transitions. [2021-03-26 05:26:21,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3171945701357466 [2021-03-26 05:26:21,180 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 701 transitions. [2021-03-26 05:26:21,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 701 transitions. [2021-03-26 05:26:21,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:21,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 701 transitions. [2021-03-26 05:26:21,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.92307692307692) internal successors, (701), 13 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:21,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:21,181 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:21,181 INFO L185 Difference]: Start difference. First operand has 616 places, 618 transitions, 19881 flow. Second operand 13 states and 701 transitions. [2021-03-26 05:26:21,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 629 transitions, 21218 flow [2021-03-26 05:26:22,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 629 transitions, 20979 flow, removed 60 selfloop flow, removed 9 redundant places. [2021-03-26 05:26:22,136 INFO L241 Difference]: Finished difference. Result has 621 places, 612 transitions, 19541 flow [2021-03-26 05:26:22,136 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=19642, PETRI_DIFFERENCE_MINUEND_PLACES=607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19541, PETRI_PLACES=621, PETRI_TRANSITIONS=612} [2021-03-26 05:26:22,136 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 568 predicate places. [2021-03-26 05:26:22,136 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:22,136 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 621 places, 612 transitions, 19541 flow [2021-03-26 05:26:22,136 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 621 places, 612 transitions, 19541 flow [2021-03-26 05:26:22,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 618 places, 612 transitions, 19541 flow [2021-03-26 05:26:22,441 INFO L129 PetriNetUnfolder]: 549/1460 cut-off events. [2021-03-26 05:26:22,441 INFO L130 PetriNetUnfolder]: For 84134/84256 co-relation queries the response was YES. [2021-03-26 05:26:22,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15735 conditions, 1460 events. 549/1460 cut-off events. For 84134/84256 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 11395 event pairs, 22 based on Foata normal form. 14/1222 useless extension candidates. Maximal degree in co-relation 15441. Up to 224 conditions per place. [2021-03-26 05:26:22,495 INFO L142 LiptonReduction]: Number of co-enabled transitions 2704 [2021-03-26 05:26:22,539 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:22,539 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:22,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-03-26 05:26:22,540 INFO L480 AbstractCegarLoop]: Abstraction has has 618 places, 612 transitions, 19541 flow [2021-03-26 05:26:22,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:22,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:22,540 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:22,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable369 [2021-03-26 05:26:22,540 INFO L428 AbstractCegarLoop]: === Iteration 371 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:22,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:22,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1934366832, now seen corresponding path program 68 times [2021-03-26 05:26:22,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:22,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706706388] [2021-03-26 05:26:22,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:22,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:22,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:22,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:22,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:22,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:22,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:22,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:22,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:22,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:22,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:22,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:22,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:22,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:22,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:22,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:22,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:22,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:22,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:22,630 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:22,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:22,647 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:22,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:22,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706706388] [2021-03-26 05:26:22,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:22,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:26:22,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496439661] [2021-03-26 05:26:22,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:26:22,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:22,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:26:22,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:26:22,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:22,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 612 transitions, 19541 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:22,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:22,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:22,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:23,479 INFO L129 PetriNetUnfolder]: 604/1552 cut-off events. [2021-03-26 05:26:23,479 INFO L130 PetriNetUnfolder]: For 94179/94183 co-relation queries the response was YES. [2021-03-26 05:26:23,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18011 conditions, 1552 events. 604/1552 cut-off events. For 94179/94183 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11745 event pairs, 18 based on Foata normal form. 5/1309 useless extension candidates. Maximal degree in co-relation 17715. Up to 758 conditions per place. [2021-03-26 05:26:23,573 INFO L132 encePairwiseOnDemand]: 155/170 looper letters, 524 selfloop transitions, 58 changer transitions 19/619 dead transitions. [2021-03-26 05:26:23,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 619 transitions, 20861 flow [2021-03-26 05:26:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:26:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:26:23,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 690 transitions. [2021-03-26 05:26:23,574 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31221719457013575 [2021-03-26 05:26:23,574 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 690 transitions. [2021-03-26 05:26:23,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 690 transitions. [2021-03-26 05:26:23,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:23,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 690 transitions. [2021-03-26 05:26:23,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.07692307692308) internal successors, (690), 13 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:23,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:23,576 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:23,576 INFO L185 Difference]: Start difference. First operand has 618 places, 612 transitions, 19541 flow. Second operand 13 states and 690 transitions. [2021-03-26 05:26:23,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 619 transitions, 20861 flow [2021-03-26 05:26:24,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 619 transitions, 20676 flow, removed 7 selfloop flow, removed 17 redundant places. [2021-03-26 05:26:24,421 INFO L241 Difference]: Finished difference. Result has 615 places, 595 transitions, 19093 flow [2021-03-26 05:26:24,422 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=19356, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19093, PETRI_PLACES=615, PETRI_TRANSITIONS=595} [2021-03-26 05:26:24,422 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 562 predicate places. [2021-03-26 05:26:24,422 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:24,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 595 transitions, 19093 flow [2021-03-26 05:26:24,422 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 595 transitions, 19093 flow [2021-03-26 05:26:24,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 609 places, 595 transitions, 19093 flow [2021-03-26 05:26:24,725 INFO L129 PetriNetUnfolder]: 549/1435 cut-off events. [2021-03-26 05:26:24,725 INFO L130 PetriNetUnfolder]: For 85334/85355 co-relation queries the response was YES. [2021-03-26 05:26:24,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16097 conditions, 1435 events. 549/1435 cut-off events. For 85334/85355 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 10959 event pairs, 22 based on Foata normal form. 9/1204 useless extension candidates. Maximal degree in co-relation 15805. Up to 231 conditions per place. [2021-03-26 05:26:24,775 INFO L142 LiptonReduction]: Number of co-enabled transitions 2600 [2021-03-26 05:26:24,817 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:24,817 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:24,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 395 [2021-03-26 05:26:24,817 INFO L480 AbstractCegarLoop]: Abstraction has has 609 places, 595 transitions, 19093 flow [2021-03-26 05:26:24,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:24,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:24,817 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:24,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable370 [2021-03-26 05:26:24,818 INFO L428 AbstractCegarLoop]: === Iteration 372 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:24,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:24,818 INFO L82 PathProgramCache]: Analyzing trace with hash 478014948, now seen corresponding path program 69 times [2021-03-26 05:26:24,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:24,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684113654] [2021-03-26 05:26:24,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:24,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:24,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:24,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:24,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:24,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:24,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:24,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:24,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:24,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:24,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:24,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:24,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:24,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:24,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:24,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:24,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:24,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:24,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:24,909 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:24,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:24,915 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:24,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:24,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684113654] [2021-03-26 05:26:24,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:24,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:24,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043382005] [2021-03-26 05:26:24,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:24,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:24,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:24,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:24,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:24,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 595 transitions, 19093 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:24,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:24,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:24,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:25,751 INFO L129 PetriNetUnfolder]: 588/1497 cut-off events. [2021-03-26 05:26:25,751 INFO L130 PetriNetUnfolder]: For 91161/91167 co-relation queries the response was YES. [2021-03-26 05:26:25,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17749 conditions, 1497 events. 588/1497 cut-off events. For 91161/91167 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 11130 event pairs, 9 based on Foata normal form. 7/1269 useless extension candidates. Maximal degree in co-relation 17455. Up to 749 conditions per place. [2021-03-26 05:26:25,787 INFO L132 encePairwiseOnDemand]: 156/170 looper letters, 518 selfloop transitions, 71 changer transitions 0/607 dead transitions. [2021-03-26 05:26:25,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 607 transitions, 20493 flow [2021-03-26 05:26:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:26:25,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:26:25,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 695 transitions. [2021-03-26 05:26:25,789 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31447963800904977 [2021-03-26 05:26:25,789 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 695 transitions. [2021-03-26 05:26:25,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 695 transitions. [2021-03-26 05:26:25,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:25,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 695 transitions. [2021-03-26 05:26:25,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.46153846153846) internal successors, (695), 13 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:25,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:25,790 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:25,790 INFO L185 Difference]: Start difference. First operand has 609 places, 595 transitions, 19093 flow. Second operand 13 states and 695 transitions. [2021-03-26 05:26:25,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 607 transitions, 20493 flow [2021-03-26 05:26:26,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 605 places, 607 transitions, 20254 flow, removed 16 selfloop flow, removed 16 redundant places. [2021-03-26 05:26:26,612 INFO L241 Difference]: Finished difference. Result has 609 places, 599 transitions, 19194 flow [2021-03-26 05:26:26,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=18854, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19194, PETRI_PLACES=609, PETRI_TRANSITIONS=599} [2021-03-26 05:26:26,612 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 556 predicate places. [2021-03-26 05:26:26,612 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:26,612 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 609 places, 599 transitions, 19194 flow [2021-03-26 05:26:26,612 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 609 places, 599 transitions, 19194 flow [2021-03-26 05:26:26,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 609 places, 599 transitions, 19194 flow [2021-03-26 05:26:26,910 INFO L129 PetriNetUnfolder]: 540/1430 cut-off events. [2021-03-26 05:26:26,910 INFO L130 PetriNetUnfolder]: For 84208/84328 co-relation queries the response was YES. [2021-03-26 05:26:26,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15660 conditions, 1430 events. 540/1430 cut-off events. For 84208/84328 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 11066 event pairs, 22 based on Foata normal form. 17/1204 useless extension candidates. Maximal degree in co-relation 15368. Up to 224 conditions per place. [2021-03-26 05:26:27,018 INFO L142 LiptonReduction]: Number of co-enabled transitions 2644 [2021-03-26 05:26:27,057 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:27,057 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:27,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 445 [2021-03-26 05:26:27,058 INFO L480 AbstractCegarLoop]: Abstraction has has 609 places, 599 transitions, 19194 flow [2021-03-26 05:26:27,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:27,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:27,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:27,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable371 [2021-03-26 05:26:27,058 INFO L428 AbstractCegarLoop]: === Iteration 373 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:27,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:27,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1298070626, now seen corresponding path program 70 times [2021-03-26 05:26:27,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:27,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840352149] [2021-03-26 05:26:27,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:27,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:27,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:27,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:27,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:27,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:27,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:27,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:27,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:27,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:27,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:27,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:27,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:27,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:27,113 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:26:27,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:26:27,116 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:26:27,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:26:27,129 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:27,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:27,144 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:27,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840352149] [2021-03-26 05:26:27,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:27,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:26:27,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607076747] [2021-03-26 05:26:27,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:26:27,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:27,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:26:27,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:26:27,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:27,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 599 transitions, 19194 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:27,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:27,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:27,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:27,915 INFO L129 PetriNetUnfolder]: 589/1505 cut-off events. [2021-03-26 05:26:27,916 INFO L130 PetriNetUnfolder]: For 91091/91097 co-relation queries the response was YES. [2021-03-26 05:26:27,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17727 conditions, 1505 events. 589/1505 cut-off events. For 91091/91097 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 11287 event pairs, 10 based on Foata normal form. 7/1275 useless extension candidates. Maximal degree in co-relation 17431. Up to 775 conditions per place. [2021-03-26 05:26:27,955 INFO L132 encePairwiseOnDemand]: 156/170 looper letters, 556 selfloop transitions, 28 changer transitions 4/606 dead transitions. [2021-03-26 05:26:27,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 618 places, 606 transitions, 20449 flow [2021-03-26 05:26:27,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:26:27,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:26:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 534 transitions. [2021-03-26 05:26:27,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31411764705882356 [2021-03-26 05:26:27,957 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 534 transitions. [2021-03-26 05:26:27,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 534 transitions. [2021-03-26 05:26:27,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:27,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 534 transitions. [2021-03-26 05:26:27,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 53.4) internal successors, (534), 10 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:27,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:27,958 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:27,958 INFO L185 Difference]: Start difference. First operand has 609 places, 599 transitions, 19194 flow. Second operand 10 states and 534 transitions. [2021-03-26 05:26:27,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 618 places, 606 transitions, 20449 flow [2021-03-26 05:26:28,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 606 transitions, 20198 flow, removed 79 selfloop flow, removed 6 redundant places. [2021-03-26 05:26:28,817 INFO L241 Difference]: Finished difference. Result has 614 places, 596 transitions, 18914 flow [2021-03-26 05:26:28,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=18943, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=571, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18914, PETRI_PLACES=614, PETRI_TRANSITIONS=596} [2021-03-26 05:26:28,817 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 561 predicate places. [2021-03-26 05:26:28,817 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:28,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 614 places, 596 transitions, 18914 flow [2021-03-26 05:26:28,818 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 614 places, 596 transitions, 18914 flow [2021-03-26 05:26:28,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 612 places, 596 transitions, 18914 flow [2021-03-26 05:26:29,113 INFO L129 PetriNetUnfolder]: 537/1422 cut-off events. [2021-03-26 05:26:29,113 INFO L130 PetriNetUnfolder]: For 82863/82982 co-relation queries the response was YES. [2021-03-26 05:26:29,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15510 conditions, 1422 events. 537/1422 cut-off events. For 82863/82982 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 10965 event pairs, 22 based on Foata normal form. 13/1193 useless extension candidates. Maximal degree in co-relation 15233. Up to 218 conditions per place. [2021-03-26 05:26:29,164 INFO L142 LiptonReduction]: Number of co-enabled transitions 2644 [2021-03-26 05:26:29,206 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:29,206 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:29,206 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 389 [2021-03-26 05:26:29,207 INFO L480 AbstractCegarLoop]: Abstraction has has 612 places, 596 transitions, 18914 flow [2021-03-26 05:26:29,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:29,207 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:29,207 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:29,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable372 [2021-03-26 05:26:29,207 INFO L428 AbstractCegarLoop]: === Iteration 374 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:29,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:29,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1783291124, now seen corresponding path program 71 times [2021-03-26 05:26:29,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:29,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560960919] [2021-03-26 05:26:29,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:29,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:29,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:29,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:29,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:29,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:29,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:29,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:29,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:29,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:29,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:29,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:29,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:29,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:29,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:29,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:29,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:29,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:29,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:29,289 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:29,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:29,304 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:29,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:29,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560960919] [2021-03-26 05:26:29,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:29,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:29,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304029988] [2021-03-26 05:26:29,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:29,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:29,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:29,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:29,308 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:29,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 596 transitions, 18914 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:29,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:29,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:29,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:30,132 INFO L129 PetriNetUnfolder]: 585/1498 cut-off events. [2021-03-26 05:26:30,132 INFO L130 PetriNetUnfolder]: For 90924/90934 co-relation queries the response was YES. [2021-03-26 05:26:30,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17552 conditions, 1498 events. 585/1498 cut-off events. For 90924/90934 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 11208 event pairs, 10 based on Foata normal form. 11/1274 useless extension candidates. Maximal degree in co-relation 17273. Up to 726 conditions per place. [2021-03-26 05:26:30,167 INFO L132 encePairwiseOnDemand]: 156/170 looper letters, 490 selfloop transitions, 91 changer transitions 6/605 dead transitions. [2021-03-26 05:26:30,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 623 places, 605 transitions, 20150 flow [2021-03-26 05:26:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:26:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:26:30,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 651 transitions. [2021-03-26 05:26:30,169 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3191176470588235 [2021-03-26 05:26:30,169 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 651 transitions. [2021-03-26 05:26:30,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 651 transitions. [2021-03-26 05:26:30,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:30,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 651 transitions. [2021-03-26 05:26:30,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.25) internal successors, (651), 12 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:30,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:30,171 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:30,171 INFO L185 Difference]: Start difference. First operand has 612 places, 596 transitions, 18914 flow. Second operand 12 states and 651 transitions. [2021-03-26 05:26:30,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 623 places, 605 transitions, 20150 flow [2021-03-26 05:26:30,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 605 transitions, 20077 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-03-26 05:26:30,993 INFO L241 Difference]: Finished difference. Result has 613 places, 590 transitions, 18812 flow [2021-03-26 05:26:30,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=18841, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18812, PETRI_PLACES=613, PETRI_TRANSITIONS=590} [2021-03-26 05:26:30,993 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 560 predicate places. [2021-03-26 05:26:30,993 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:30,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 613 places, 590 transitions, 18812 flow [2021-03-26 05:26:30,994 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 613 places, 590 transitions, 18812 flow [2021-03-26 05:26:30,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 590 transitions, 18812 flow [2021-03-26 05:26:31,311 INFO L129 PetriNetUnfolder]: 549/1445 cut-off events. [2021-03-26 05:26:31,311 INFO L130 PetriNetUnfolder]: For 82656/82656 co-relation queries the response was YES. [2021-03-26 05:26:31,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16213 conditions, 1445 events. 549/1445 cut-off events. For 82656/82656 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 11076 event pairs, 20 based on Foata normal form. 0/1205 useless extension candidates. Maximal degree in co-relation 15950. Up to 231 conditions per place. [2021-03-26 05:26:31,357 INFO L142 LiptonReduction]: Number of co-enabled transitions 2610 [2021-03-26 05:26:31,395 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:31,395 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:31,395 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 402 [2021-03-26 05:26:31,396 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 590 transitions, 18812 flow [2021-03-26 05:26:31,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:31,396 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:31,396 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:31,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable373 [2021-03-26 05:26:31,396 INFO L428 AbstractCegarLoop]: === Iteration 375 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:31,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:31,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1657253846, now seen corresponding path program 72 times [2021-03-26 05:26:31,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:31,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053648107] [2021-03-26 05:26:31,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:31,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:31,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:31,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:31,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:31,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:31,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:31,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:31,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:31,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:31,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:31,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:31,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:31,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:31,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:31,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:31,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:31,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:31,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:31,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:31,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:31,492 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:31,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:31,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053648107] [2021-03-26 05:26:31,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:31,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:31,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251740593] [2021-03-26 05:26:31,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:31,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:31,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:31,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:31,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:31,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 590 transitions, 18812 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:31,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:31,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:31,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:32,230 INFO L129 PetriNetUnfolder]: 579/1478 cut-off events. [2021-03-26 05:26:32,231 INFO L130 PetriNetUnfolder]: For 91245/91255 co-relation queries the response was YES. [2021-03-26 05:26:32,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17516 conditions, 1478 events. 579/1478 cut-off events. For 91245/91255 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10999 event pairs, 10 based on Foata normal form. 11/1259 useless extension candidates. Maximal degree in co-relation 17251. Up to 749 conditions per place. [2021-03-26 05:26:32,264 INFO L132 encePairwiseOnDemand]: 156/170 looper letters, 519 selfloop transitions, 61 changer transitions 0/598 dead transitions. [2021-03-26 05:26:32,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 598 transitions, 20115 flow [2021-03-26 05:26:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:26:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:26:32,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 590 transitions. [2021-03-26 05:26:32,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3155080213903743 [2021-03-26 05:26:32,266 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 590 transitions. [2021-03-26 05:26:32,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 590 transitions. [2021-03-26 05:26:32,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:32,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 590 transitions. [2021-03-26 05:26:32,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.63636363636363) internal successors, (590), 11 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:32,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 170.0) internal successors, (2040), 12 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:32,267 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 170.0) internal successors, (2040), 12 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:32,267 INFO L185 Difference]: Start difference. First operand has 610 places, 590 transitions, 18812 flow. Second operand 11 states and 590 transitions. [2021-03-26 05:26:32,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 620 places, 598 transitions, 20115 flow [2021-03-26 05:26:33,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 598 transitions, 19892 flow, removed 13 selfloop flow, removed 16 redundant places. [2021-03-26 05:26:33,089 INFO L241 Difference]: Finished difference. Result has 607 places, 592 transitions, 18860 flow [2021-03-26 05:26:33,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=18589, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18860, PETRI_PLACES=607, PETRI_TRANSITIONS=592} [2021-03-26 05:26:33,089 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 554 predicate places. [2021-03-26 05:26:33,089 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:33,089 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 607 places, 592 transitions, 18860 flow [2021-03-26 05:26:33,089 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 607 places, 592 transitions, 18860 flow [2021-03-26 05:26:33,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 607 places, 592 transitions, 18860 flow [2021-03-26 05:26:33,370 INFO L129 PetriNetUnfolder]: 524/1394 cut-off events. [2021-03-26 05:26:33,370 INFO L130 PetriNetUnfolder]: For 81995/82079 co-relation queries the response was YES. [2021-03-26 05:26:33,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15300 conditions, 1394 events. 524/1394 cut-off events. For 81995/82079 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 10765 event pairs, 20 based on Foata normal form. 19/1179 useless extension candidates. Maximal degree in co-relation 15009. Up to 215 conditions per place. [2021-03-26 05:26:33,418 INFO L142 LiptonReduction]: Number of co-enabled transitions 2634 [2021-03-26 05:26:33,459 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:33,459 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:33,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 370 [2021-03-26 05:26:33,460 INFO L480 AbstractCegarLoop]: Abstraction has has 607 places, 592 transitions, 18860 flow [2021-03-26 05:26:33,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:33,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:33,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:33,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable374 [2021-03-26 05:26:33,460 INFO L428 AbstractCegarLoop]: === Iteration 376 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:33,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:33,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1497693820, now seen corresponding path program 73 times [2021-03-26 05:26:33,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:33,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192955546] [2021-03-26 05:26:33,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:33,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:33,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:33,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:33,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:33,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:33,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:33,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:33,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:33,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:33,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:33,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:33,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:33,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:33,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:33,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:33,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:33,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:33,563 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:33,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:33,570 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:33,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192955546] [2021-03-26 05:26:33,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:33,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:26:33,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908442266] [2021-03-26 05:26:33,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:26:33,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:33,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:26:33,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:26:33,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:33,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 592 transitions, 18860 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:33,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:33,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:33,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:34,469 INFO L129 PetriNetUnfolder]: 588/1504 cut-off events. [2021-03-26 05:26:34,469 INFO L130 PetriNetUnfolder]: For 88719/88729 co-relation queries the response was YES. [2021-03-26 05:26:34,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17606 conditions, 1504 events. 588/1504 cut-off events. For 88719/88729 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11258 event pairs, 3 based on Foata normal form. 11/1276 useless extension candidates. Maximal degree in co-relation 17311. Up to 692 conditions per place. [2021-03-26 05:26:34,504 INFO L132 encePairwiseOnDemand]: 155/170 looper letters, 473 selfloop transitions, 115 changer transitions 0/606 dead transitions. [2021-03-26 05:26:34,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 606 transitions, 20282 flow [2021-03-26 05:26:34,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:26:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:26:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 05:26:34,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3180995475113122 [2021-03-26 05:26:34,506 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 05:26:34,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 05:26:34,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:34,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 05:26:34,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:34,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:34,508 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:34,508 INFO L185 Difference]: Start difference. First operand has 607 places, 592 transitions, 18860 flow. Second operand 13 states and 703 transitions. [2021-03-26 05:26:34,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 606 transitions, 20282 flow [2021-03-26 05:26:35,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 606 transitions, 20038 flow, removed 55 selfloop flow, removed 10 redundant places. [2021-03-26 05:26:35,462 INFO L241 Difference]: Finished difference. Result has 611 places, 596 transitions, 19055 flow [2021-03-26 05:26:35,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=18618, PETRI_DIFFERENCE_MINUEND_PLACES=597, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19055, PETRI_PLACES=611, PETRI_TRANSITIONS=596} [2021-03-26 05:26:35,462 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 558 predicate places. [2021-03-26 05:26:35,462 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:35,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 611 places, 596 transitions, 19055 flow [2021-03-26 05:26:35,462 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 611 places, 596 transitions, 19055 flow [2021-03-26 05:26:35,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 611 places, 596 transitions, 19055 flow [2021-03-26 05:26:35,752 INFO L129 PetriNetUnfolder]: 528/1398 cut-off events. [2021-03-26 05:26:35,752 INFO L130 PetriNetUnfolder]: For 91186/91298 co-relation queries the response was YES. [2021-03-26 05:26:35,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15757 conditions, 1398 events. 528/1398 cut-off events. For 91186/91298 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 10806 event pairs, 6 based on Foata normal form. 19/1187 useless extension candidates. Maximal degree in co-relation 15482. Up to 223 conditions per place. [2021-03-26 05:26:35,802 INFO L142 LiptonReduction]: Number of co-enabled transitions 2678 [2021-03-26 05:26:35,843 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:35,844 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:35,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-26 05:26:35,844 INFO L480 AbstractCegarLoop]: Abstraction has has 611 places, 596 transitions, 19055 flow [2021-03-26 05:26:35,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:35,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:35,844 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:35,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable375 [2021-03-26 05:26:35,844 INFO L428 AbstractCegarLoop]: === Iteration 377 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:35,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:35,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1470246794, now seen corresponding path program 74 times [2021-03-26 05:26:35,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:35,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345216649] [2021-03-26 05:26:35,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:35,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:35,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:35,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:35,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:35,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:35,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:35,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:35,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:35,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:35,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:35,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:35,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:35,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:35,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:35,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:35,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:35,922 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:35,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:35,937 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:35,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:35,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345216649] [2021-03-26 05:26:35,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:35,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:35,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445889199] [2021-03-26 05:26:35,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:35,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:35,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:35,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:35,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:35,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 596 transitions, 19055 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:35,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:35,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:35,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:36,698 INFO L129 PetriNetUnfolder]: 585/1503 cut-off events. [2021-03-26 05:26:36,698 INFO L130 PetriNetUnfolder]: For 87724/87736 co-relation queries the response was YES. [2021-03-26 05:26:36,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17650 conditions, 1503 events. 585/1503 cut-off events. For 87724/87736 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 11295 event pairs, 5 based on Foata normal form. 13/1279 useless extension candidates. Maximal degree in co-relation 17366. Up to 770 conditions per place. [2021-03-26 05:26:36,734 INFO L132 encePairwiseOnDemand]: 156/170 looper letters, 554 selfloop transitions, 26 changer transitions 5/603 dead transitions. [2021-03-26 05:26:36,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 603 transitions, 20304 flow [2021-03-26 05:26:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:26:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:26:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 632 transitions. [2021-03-26 05:26:36,735 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30980392156862746 [2021-03-26 05:26:36,735 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 632 transitions. [2021-03-26 05:26:36,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 632 transitions. [2021-03-26 05:26:36,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:36,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 632 transitions. [2021-03-26 05:26:36,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.666666666666664) internal successors, (632), 12 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:36,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:36,737 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:36,737 INFO L185 Difference]: Start difference. First operand has 611 places, 596 transitions, 19055 flow. Second operand 12 states and 632 transitions. [2021-03-26 05:26:36,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 603 transitions, 20304 flow [2021-03-26 05:26:37,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 603 transitions, 20008 flow, removed 84 selfloop flow, removed 8 redundant places. [2021-03-26 05:26:37,578 INFO L241 Difference]: Finished difference. Result has 616 places, 592 transitions, 18768 flow [2021-03-26 05:26:37,579 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=18759, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=570, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18768, PETRI_PLACES=616, PETRI_TRANSITIONS=592} [2021-03-26 05:26:37,579 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 563 predicate places. [2021-03-26 05:26:37,579 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:37,579 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 616 places, 592 transitions, 18768 flow [2021-03-26 05:26:37,579 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 616 places, 592 transitions, 18768 flow [2021-03-26 05:26:37,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 592 transitions, 18768 flow [2021-03-26 05:26:37,853 INFO L129 PetriNetUnfolder]: 533/1414 cut-off events. [2021-03-26 05:26:37,853 INFO L130 PetriNetUnfolder]: For 86317/86415 co-relation queries the response was YES. [2021-03-26 05:26:37,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15834 conditions, 1414 events. 533/1414 cut-off events. For 86317/86415 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 10881 event pairs, 3 based on Foata normal form. 10/1192 useless extension candidates. Maximal degree in co-relation 15572. Up to 223 conditions per place. [2021-03-26 05:26:37,898 INFO L142 LiptonReduction]: Number of co-enabled transitions 2644 [2021-03-26 05:26:37,939 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:37,939 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:37,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 360 [2021-03-26 05:26:37,939 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 592 transitions, 18768 flow [2021-03-26 05:26:37,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:37,939 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:37,939 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:37,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable376 [2021-03-26 05:26:37,940 INFO L428 AbstractCegarLoop]: === Iteration 378 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:37,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:37,940 INFO L82 PathProgramCache]: Analyzing trace with hash 79290280, now seen corresponding path program 75 times [2021-03-26 05:26:37,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:37,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123950456] [2021-03-26 05:26:37,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:37,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:37,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:37,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:37,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:37,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:37,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:37,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:37,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:37,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:37,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:37,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:37,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:37,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:37,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:38,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:38,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:38,026 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:38,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:38,041 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:38,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:38,059 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:38,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:38,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123950456] [2021-03-26 05:26:38,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:38,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:26:38,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400539590] [2021-03-26 05:26:38,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:26:38,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:38,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:26:38,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:26:38,063 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:38,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 592 transitions, 18768 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:38,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:38,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:38,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:39,041 INFO L129 PetriNetUnfolder]: 581/1496 cut-off events. [2021-03-26 05:26:39,041 INFO L130 PetriNetUnfolder]: For 86651/86657 co-relation queries the response was YES. [2021-03-26 05:26:39,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17533 conditions, 1496 events. 581/1496 cut-off events. For 86651/86657 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 11212 event pairs, 6 based on Foata normal form. 7/1268 useless extension candidates. Maximal degree in co-relation 17269. Up to 654 conditions per place. [2021-03-26 05:26:39,071 INFO L132 encePairwiseOnDemand]: 154/170 looper letters, 442 selfloop transitions, 136 changer transitions 11/607 dead transitions. [2021-03-26 05:26:39,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 607 transitions, 20258 flow [2021-03-26 05:26:39,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:26:39,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:26:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 710 transitions. [2021-03-26 05:26:39,073 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3212669683257919 [2021-03-26 05:26:39,073 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 710 transitions. [2021-03-26 05:26:39,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 710 transitions. [2021-03-26 05:26:39,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:39,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 710 transitions. [2021-03-26 05:26:39,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.61538461538461) internal successors, (710), 13 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:39,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:39,075 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:39,075 INFO L185 Difference]: Start difference. First operand has 610 places, 592 transitions, 18768 flow. Second operand 13 states and 710 transitions. [2021-03-26 05:26:39,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 607 transitions, 20258 flow [2021-03-26 05:26:39,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 607 transitions, 20194 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-03-26 05:26:39,913 INFO L241 Difference]: Finished difference. Result has 615 places, 584 transitions, 19000 flow [2021-03-26 05:26:39,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=18704, PETRI_DIFFERENCE_MINUEND_PLACES=600, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19000, PETRI_PLACES=615, PETRI_TRANSITIONS=584} [2021-03-26 05:26:39,914 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 562 predicate places. [2021-03-26 05:26:39,914 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:39,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 584 transitions, 19000 flow [2021-03-26 05:26:39,914 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 584 transitions, 19000 flow [2021-03-26 05:26:39,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 611 places, 584 transitions, 19000 flow [2021-03-26 05:26:40,199 INFO L129 PetriNetUnfolder]: 526/1401 cut-off events. [2021-03-26 05:26:40,199 INFO L130 PetriNetUnfolder]: For 83006/83117 co-relation queries the response was YES. [2021-03-26 05:26:40,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15557 conditions, 1401 events. 526/1401 cut-off events. For 83006/83117 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 10860 event pairs, 7 based on Foata normal form. 15/1176 useless extension candidates. Maximal degree in co-relation 15270. Up to 215 conditions per place. [2021-03-26 05:26:40,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 2580 [2021-03-26 05:26:40,287 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:40,287 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:40,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 374 [2021-03-26 05:26:40,288 INFO L480 AbstractCegarLoop]: Abstraction has has 611 places, 584 transitions, 19000 flow [2021-03-26 05:26:40,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:40,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:40,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:40,288 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable377 [2021-03-26 05:26:40,288 INFO L428 AbstractCegarLoop]: === Iteration 379 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:40,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:40,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1418553446, now seen corresponding path program 76 times [2021-03-26 05:26:40,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:40,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549670150] [2021-03-26 05:26:40,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:40,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:40,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:40,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:40,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:40,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:40,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:40,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:40,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:40,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:40,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:40,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:40,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:40,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:40,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:40,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:40,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:40,378 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:40,394 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:40,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:40,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549670150] [2021-03-26 05:26:40,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:40,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:26:40,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795469999] [2021-03-26 05:26:40,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:26:40,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:40,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:26:40,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:26:40,398 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:40,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 584 transitions, 19000 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:40,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:40,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:40,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:41,290 INFO L129 PetriNetUnfolder]: 583/1515 cut-off events. [2021-03-26 05:26:41,290 INFO L130 PetriNetUnfolder]: For 86932/86936 co-relation queries the response was YES. [2021-03-26 05:26:41,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17651 conditions, 1515 events. 583/1515 cut-off events. For 86932/86936 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 11505 event pairs, 5 based on Foata normal form. 5/1275 useless extension candidates. Maximal degree in co-relation 17362. Up to 703 conditions per place. [2021-03-26 05:26:41,327 INFO L132 encePairwiseOnDemand]: 154/170 looper letters, 481 selfloop transitions, 97 changer transitions 0/596 dead transitions. [2021-03-26 05:26:41,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 596 transitions, 20250 flow [2021-03-26 05:26:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:26:41,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:26:41,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 749 transitions. [2021-03-26 05:26:41,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31470588235294117 [2021-03-26 05:26:41,328 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 749 transitions. [2021-03-26 05:26:41,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 749 transitions. [2021-03-26 05:26:41,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:41,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 749 transitions. [2021-03-26 05:26:41,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.5) internal successors, (749), 14 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:41,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 170.0) internal successors, (2550), 15 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:41,330 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 170.0) internal successors, (2550), 15 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:41,330 INFO L185 Difference]: Start difference. First operand has 611 places, 584 transitions, 19000 flow. Second operand 14 states and 749 transitions. [2021-03-26 05:26:41,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 596 transitions, 20250 flow [2021-03-26 05:26:42,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 596 transitions, 19918 flow, removed 22 selfloop flow, removed 17 redundant places. [2021-03-26 05:26:42,199 INFO L241 Difference]: Finished difference. Result has 610 places, 587 transitions, 18937 flow [2021-03-26 05:26:42,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=18668, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18937, PETRI_PLACES=610, PETRI_TRANSITIONS=587} [2021-03-26 05:26:42,200 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 557 predicate places. [2021-03-26 05:26:42,200 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:42,200 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 610 places, 587 transitions, 18937 flow [2021-03-26 05:26:42,200 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 610 places, 587 transitions, 18937 flow [2021-03-26 05:26:42,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 587 transitions, 18937 flow [2021-03-26 05:26:42,495 INFO L129 PetriNetUnfolder]: 536/1444 cut-off events. [2021-03-26 05:26:42,496 INFO L130 PetriNetUnfolder]: For 89104/89149 co-relation queries the response was YES. [2021-03-26 05:26:42,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15702 conditions, 1444 events. 536/1444 cut-off events. For 89104/89149 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11335 event pairs, 3 based on Foata normal form. 21/1215 useless extension candidates. Maximal degree in co-relation 15419. Up to 216 conditions per place. [2021-03-26 05:26:42,549 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-26 05:26:42,590 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:42,590 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:42,590 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 390 [2021-03-26 05:26:42,591 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 587 transitions, 18937 flow [2021-03-26 05:26:42,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:42,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:42,591 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:42,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable378 [2021-03-26 05:26:42,591 INFO L428 AbstractCegarLoop]: === Iteration 380 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:42,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:42,592 INFO L82 PathProgramCache]: Analyzing trace with hash -660481228, now seen corresponding path program 77 times [2021-03-26 05:26:42,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:42,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356946083] [2021-03-26 05:26:42,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:42,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:42,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:42,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:42,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:42,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:42,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:42,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:42,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:42,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:42,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:42,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:42,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:42,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:26:42,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:42,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:42,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:42,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:42,670 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:42,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:42,685 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:42,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:42,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356946083] [2021-03-26 05:26:42,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:42,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:42,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475799056] [2021-03-26 05:26:42,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:42,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:42,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:42,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:42,689 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 05:26:42,689 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 587 transitions, 18937 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:42,689 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:42,689 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 05:26:42,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:43,418 INFO L129 PetriNetUnfolder]: 580/1514 cut-off events. [2021-03-26 05:26:43,418 INFO L130 PetriNetUnfolder]: For 86254/86264 co-relation queries the response was YES. [2021-03-26 05:26:43,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17523 conditions, 1514 events. 580/1514 cut-off events. For 86254/86264 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 11539 event pairs, 6 based on Foata normal form. 11/1282 useless extension candidates. Maximal degree in co-relation 17232. Up to 763 conditions per place. [2021-03-26 05:26:43,451 INFO L132 encePairwiseOnDemand]: 156/170 looper letters, 548 selfloop transitions, 19 changer transitions 8/593 dead transitions. [2021-03-26 05:26:43,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 593 transitions, 20127 flow [2021-03-26 05:26:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:26:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:26:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 626 transitions. [2021-03-26 05:26:43,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30686274509803924 [2021-03-26 05:26:43,453 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 626 transitions. [2021-03-26 05:26:43,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 626 transitions. [2021-03-26 05:26:43,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:43,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 626 transitions. [2021-03-26 05:26:43,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.166666666666664) internal successors, (626), 12 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:43,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:43,454 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:43,454 INFO L185 Difference]: Start difference. First operand has 610 places, 587 transitions, 18937 flow. Second operand 12 states and 626 transitions. [2021-03-26 05:26:43,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 593 transitions, 20127 flow [2021-03-26 05:26:44,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 593 transitions, 19940 flow, removed 43 selfloop flow, removed 7 redundant places. [2021-03-26 05:26:44,364 INFO L241 Difference]: Finished difference. Result has 615 places, 579 transitions, 18529 flow [2021-03-26 05:26:44,364 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=18750, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18529, PETRI_PLACES=615, PETRI_TRANSITIONS=579} [2021-03-26 05:26:44,364 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 562 predicate places. [2021-03-26 05:26:44,364 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:44,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 579 transitions, 18529 flow [2021-03-26 05:26:44,365 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 579 transitions, 18529 flow [2021-03-26 05:26:44,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 605 places, 579 transitions, 18529 flow [2021-03-26 05:26:44,651 INFO L129 PetriNetUnfolder]: 545/1462 cut-off events. [2021-03-26 05:26:44,652 INFO L130 PetriNetUnfolder]: For 83045/83050 co-relation queries the response was YES. [2021-03-26 05:26:44,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15963 conditions, 1462 events. 545/1462 cut-off events. For 83045/83050 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11424 event pairs, 17 based on Foata normal form. 2/1214 useless extension candidates. Maximal degree in co-relation 15705. Up to 223 conditions per place. [2021-03-26 05:26:44,701 INFO L142 LiptonReduction]: Number of co-enabled transitions 2572 [2021-03-26 05:26:44,824 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 05:26:44,824 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:26:44,824 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-26 05:26:44,824 INFO L480 AbstractCegarLoop]: Abstraction has has 605 places, 579 transitions, 18566 flow [2021-03-26 05:26:44,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:44,824 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:44,824 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:44,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable379 [2021-03-26 05:26:44,824 INFO L428 AbstractCegarLoop]: === Iteration 381 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:44,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:44,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1570050940, now seen corresponding path program 78 times [2021-03-26 05:26:44,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:44,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083611997] [2021-03-26 05:26:44,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:44,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:44,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:44,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:44,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:44,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:44,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:44,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:44,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:44,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:44,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:44,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:44,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:44,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:44,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:44,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:44,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:44,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:44,955 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:44,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:44,976 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:44,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:44,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083611997] [2021-03-26 05:26:44,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:44,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:26:44,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858750581] [2021-03-26 05:26:44,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:26:44,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:44,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:26:44,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:26:44,980 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 171 [2021-03-26 05:26:44,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 605 places, 579 transitions, 18566 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:44,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:44,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 171 [2021-03-26 05:26:44,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:45,950 INFO L129 PetriNetUnfolder]: 576/1501 cut-off events. [2021-03-26 05:26:45,950 INFO L130 PetriNetUnfolder]: For 88181/88187 co-relation queries the response was YES. [2021-03-26 05:26:45,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17358 conditions, 1501 events. 576/1501 cut-off events. For 88181/88187 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 11329 event pairs, 7 based on Foata normal form. 7/1266 useless extension candidates. Maximal degree in co-relation 17098. Up to 628 conditions per place. [2021-03-26 05:26:45,984 INFO L132 encePairwiseOnDemand]: 153/171 looper letters, 418 selfloop transitions, 76 changer transitions 79/591 dead transitions. [2021-03-26 05:26:45,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 591 transitions, 19807 flow [2021-03-26 05:26:45,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:26:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:26:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 806 transitions. [2021-03-26 05:26:45,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3142300194931774 [2021-03-26 05:26:45,985 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 806 transitions. [2021-03-26 05:26:45,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 806 transitions. [2021-03-26 05:26:45,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:45,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 806 transitions. [2021-03-26 05:26:45,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.733333333333334) internal successors, (806), 15 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:45,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 171.0) internal successors, (2736), 16 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:45,987 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 171.0) internal successors, (2736), 16 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:45,987 INFO L185 Difference]: Start difference. First operand has 605 places, 579 transitions, 18566 flow. Second operand 15 states and 806 transitions. [2021-03-26 05:26:45,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 591 transitions, 19807 flow [2021-03-26 05:26:46,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 591 transitions, 19474 flow, removed 84 selfloop flow, removed 16 redundant places. [2021-03-26 05:26:46,713 INFO L241 Difference]: Finished difference. Result has 605 places, 501 transitions, 16603 flow [2021-03-26 05:26:46,714 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=18233, PETRI_DIFFERENCE_MINUEND_PLACES=589, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16603, PETRI_PLACES=605, PETRI_TRANSITIONS=501} [2021-03-26 05:26:46,714 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 552 predicate places. [2021-03-26 05:26:46,714 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:46,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 605 places, 501 transitions, 16603 flow [2021-03-26 05:26:46,714 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 605 places, 501 transitions, 16603 flow [2021-03-26 05:26:46,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 569 places, 501 transitions, 16603 flow [2021-03-26 05:26:46,930 INFO L129 PetriNetUnfolder]: 444/1118 cut-off events. [2021-03-26 05:26:46,930 INFO L130 PetriNetUnfolder]: For 82079/82209 co-relation queries the response was YES. [2021-03-26 05:26:46,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14131 conditions, 1118 events. 444/1118 cut-off events. For 82079/82209 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7815 event pairs, 7 based on Foata normal form. 18/962 useless extension candidates. Maximal degree in co-relation 13886. Up to 214 conditions per place. [2021-03-26 05:26:46,967 INFO L142 LiptonReduction]: Number of co-enabled transitions 1976 [2021-03-26 05:26:47,061 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:26:47,061 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:26:47,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 348 [2021-03-26 05:26:47,062 INFO L480 AbstractCegarLoop]: Abstraction has has 568 places, 500 transitions, 16599 flow [2021-03-26 05:26:47,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:47,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:47,062 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:47,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable380 [2021-03-26 05:26:47,062 INFO L428 AbstractCegarLoop]: === Iteration 382 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:47,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:47,062 INFO L82 PathProgramCache]: Analyzing trace with hash -363132984, now seen corresponding path program 1 times [2021-03-26 05:26:47,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:47,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124126528] [2021-03-26 05:26:47,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:47,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:47,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:47,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:47,081 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:26:47,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:47,088 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:26:47,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:47,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:47,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:47,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:47,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:47,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:47,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:47,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:47,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:47,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:47,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:47,175 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:47,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:47,193 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:47,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:47,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124126528] [2021-03-26 05:26:47,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:47,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:26:47,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382727930] [2021-03-26 05:26:47,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:26:47,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:47,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:26:47,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:26:47,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 05:26:47,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 500 transitions, 16599 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:47,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:47,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 05:26:47,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:47,880 INFO L129 PetriNetUnfolder]: 521/1264 cut-off events. [2021-03-26 05:26:47,880 INFO L130 PetriNetUnfolder]: For 90644/90646 co-relation queries the response was YES. [2021-03-26 05:26:47,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16634 conditions, 1264 events. 521/1264 cut-off events. For 90644/90646 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8632 event pairs, 19 based on Foata normal form. 3/1079 useless extension candidates. Maximal degree in co-relation 16387. Up to 697 conditions per place. [2021-03-26 05:26:47,909 INFO L132 encePairwiseOnDemand]: 157/172 looper letters, 477 selfloop transitions, 33 changer transitions 0/528 dead transitions. [2021-03-26 05:26:47,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 528 transitions, 18795 flow [2021-03-26 05:26:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:26:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:26:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 776 transitions. [2021-03-26 05:26:47,910 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30077519379844964 [2021-03-26 05:26:47,910 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 776 transitions. [2021-03-26 05:26:47,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 776 transitions. [2021-03-26 05:26:47,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:47,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 776 transitions. [2021-03-26 05:26:47,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 51.733333333333334) internal successors, (776), 15 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:47,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:47,912 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:47,912 INFO L185 Difference]: Start difference. First operand has 568 places, 500 transitions, 16599 flow. Second operand 15 states and 776 transitions. [2021-03-26 05:26:47,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 528 transitions, 18795 flow [2021-03-26 05:26:48,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 528 transitions, 17808 flow, removed 107 selfloop flow, removed 49 redundant places. [2021-03-26 05:26:48,623 INFO L241 Difference]: Finished difference. Result has 540 places, 518 transitions, 16626 flow [2021-03-26 05:26:48,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=15703, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16626, PETRI_PLACES=540, PETRI_TRANSITIONS=518} [2021-03-26 05:26:48,623 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 487 predicate places. [2021-03-26 05:26:48,623 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:48,624 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 518 transitions, 16626 flow [2021-03-26 05:26:48,624 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 518 transitions, 16626 flow [2021-03-26 05:26:48,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 540 places, 518 transitions, 16626 flow [2021-03-26 05:26:48,847 INFO L129 PetriNetUnfolder]: 477/1200 cut-off events. [2021-03-26 05:26:48,847 INFO L130 PetriNetUnfolder]: For 82487/82509 co-relation queries the response was YES. [2021-03-26 05:26:48,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14751 conditions, 1200 events. 477/1200 cut-off events. For 82487/82509 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8490 event pairs, 14 based on Foata normal form. 7/1025 useless extension candidates. Maximal degree in co-relation 14461. Up to 236 conditions per place. [2021-03-26 05:26:48,883 INFO L142 LiptonReduction]: Number of co-enabled transitions 2068 [2021-03-26 05:26:49,008 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 05:26:49,009 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:26:49,009 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 386 [2021-03-26 05:26:49,009 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 518 transitions, 16709 flow [2021-03-26 05:26:49,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:49,009 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:49,009 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:49,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable381 [2021-03-26 05:26:49,010 INFO L428 AbstractCegarLoop]: === Iteration 383 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:49,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:49,010 INFO L82 PathProgramCache]: Analyzing trace with hash 96070412, now seen corresponding path program 2 times [2021-03-26 05:26:49,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:49,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023499370] [2021-03-26 05:26:49,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:49,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:49,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:49,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:49,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:49,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:49,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:49,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:49,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:49,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:49,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:49,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:49,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:49,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:49,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:49,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:49,118 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:26:49,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:49,136 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:49,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:49,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023499370] [2021-03-26 05:26:49,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:49,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:26:49,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133512400] [2021-03-26 05:26:49,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:26:49,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:49,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:26:49,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:26:49,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 174 [2021-03-26 05:26:49,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 518 transitions, 16709 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:49,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:49,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 174 [2021-03-26 05:26:49,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:49,947 INFO L129 PetriNetUnfolder]: 535/1308 cut-off events. [2021-03-26 05:26:49,947 INFO L130 PetriNetUnfolder]: For 93174/93180 co-relation queries the response was YES. [2021-03-26 05:26:49,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16578 conditions, 1308 events. 535/1308 cut-off events. For 93174/93180 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 9073 event pairs, 5 based on Foata normal form. 7/1119 useless extension candidates. Maximal degree in co-relation 16282. Up to 699 conditions per place. [2021-03-26 05:26:49,974 INFO L132 encePairwiseOnDemand]: 159/174 looper letters, 482 selfloop transitions, 46 changer transitions 0/546 dead transitions. [2021-03-26 05:26:49,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 546 transitions, 18742 flow [2021-03-26 05:26:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 05:26:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 05:26:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 884 transitions. [2021-03-26 05:26:49,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2988505747126437 [2021-03-26 05:26:49,976 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 884 transitions. [2021-03-26 05:26:49,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 884 transitions. [2021-03-26 05:26:49,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:49,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 884 transitions. [2021-03-26 05:26:49,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 52.0) internal successors, (884), 17 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:49,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 174.0) internal successors, (3132), 18 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:49,977 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 174.0) internal successors, (3132), 18 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:49,978 INFO L185 Difference]: Start difference. First operand has 540 places, 518 transitions, 16709 flow. Second operand 17 states and 884 transitions. [2021-03-26 05:26:49,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 546 transitions, 18742 flow [2021-03-26 05:26:50,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 546 transitions, 18117 flow, removed 297 selfloop flow, removed 5 redundant places. [2021-03-26 05:26:50,644 INFO L241 Difference]: Finished difference. Result has 557 places, 535 transitions, 16939 flow [2021-03-26 05:26:50,644 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=16084, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=16939, PETRI_PLACES=557, PETRI_TRANSITIONS=535} [2021-03-26 05:26:50,644 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 504 predicate places. [2021-03-26 05:26:50,644 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:50,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 557 places, 535 transitions, 16939 flow [2021-03-26 05:26:50,645 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 557 places, 535 transitions, 16939 flow [2021-03-26 05:26:50,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 557 places, 535 transitions, 16939 flow [2021-03-26 05:26:50,898 INFO L129 PetriNetUnfolder]: 498/1256 cut-off events. [2021-03-26 05:26:50,899 INFO L130 PetriNetUnfolder]: For 87294/87329 co-relation queries the response was YES. [2021-03-26 05:26:50,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15186 conditions, 1256 events. 498/1256 cut-off events. For 87294/87329 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9003 event pairs, 16 based on Foata normal form. 18/1077 useless extension candidates. Maximal degree in co-relation 14889. Up to 237 conditions per place. [2021-03-26 05:26:50,939 INFO L142 LiptonReduction]: Number of co-enabled transitions 2180 [2021-03-26 05:26:51,057 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:26:51,057 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:26:51,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-03-26 05:26:51,058 INFO L480 AbstractCegarLoop]: Abstraction has has 557 places, 535 transitions, 17020 flow [2021-03-26 05:26:51,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:51,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:51,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:51,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable382 [2021-03-26 05:26:51,059 INFO L428 AbstractCegarLoop]: === Iteration 384 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:51,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:51,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1252909550, now seen corresponding path program 1 times [2021-03-26 05:26:51,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:51,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587072673] [2021-03-26 05:26:51,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:51,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:51,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:51,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:51,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:51,094 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:26:51,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:51,101 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:26:51,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:51,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:51,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:51,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:51,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:51,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:51,149 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:51,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:51,164 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:51,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:51,181 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:26:51,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:51,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587072673] [2021-03-26 05:26:51,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:51,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:26:51,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563329327] [2021-03-26 05:26:51,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:26:51,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:51,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:26:51,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:26:51,185 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 176 [2021-03-26 05:26:51,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 535 transitions, 17020 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:51,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:51,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 176 [2021-03-26 05:26:51,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:51,864 INFO L129 PetriNetUnfolder]: 537/1318 cut-off events. [2021-03-26 05:26:51,864 INFO L130 PetriNetUnfolder]: For 91504/91506 co-relation queries the response was YES. [2021-03-26 05:26:51,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16576 conditions, 1318 events. 537/1318 cut-off events. For 91504/91506 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 9174 event pairs, 17 based on Foata normal form. 3/1122 useless extension candidates. Maximal degree in co-relation 16273. Up to 717 conditions per place. [2021-03-26 05:26:51,889 INFO L132 encePairwiseOnDemand]: 160/176 looper letters, 496 selfloop transitions, 34 changer transitions 0/548 dead transitions. [2021-03-26 05:26:51,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 548 transitions, 18508 flow [2021-03-26 05:26:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:26:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:26:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 684 transitions. [2021-03-26 05:26:51,891 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29895104895104896 [2021-03-26 05:26:51,891 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 684 transitions. [2021-03-26 05:26:51,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 684 transitions. [2021-03-26 05:26:51,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:51,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 684 transitions. [2021-03-26 05:26:51,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.61538461538461) internal successors, (684), 13 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:51,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 176.0) internal successors, (2464), 14 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:51,893 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 176.0) internal successors, (2464), 14 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:51,893 INFO L185 Difference]: Start difference. First operand has 557 places, 535 transitions, 17020 flow. Second operand 13 states and 684 transitions. [2021-03-26 05:26:51,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 548 transitions, 18508 flow [2021-03-26 05:26:52,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 548 transitions, 17777 flow, removed 347 selfloop flow, removed 4 redundant places. [2021-03-26 05:26:52,555 INFO L241 Difference]: Finished difference. Result has 568 places, 537 transitions, 16531 flow [2021-03-26 05:26:52,556 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=16291, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16531, PETRI_PLACES=568, PETRI_TRANSITIONS=537} [2021-03-26 05:26:52,556 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 515 predicate places. [2021-03-26 05:26:52,556 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:52,556 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 568 places, 537 transitions, 16531 flow [2021-03-26 05:26:52,556 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 568 places, 537 transitions, 16531 flow [2021-03-26 05:26:52,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 568 places, 537 transitions, 16531 flow [2021-03-26 05:26:52,774 INFO L129 PetriNetUnfolder]: 492/1256 cut-off events. [2021-03-26 05:26:52,774 INFO L130 PetriNetUnfolder]: For 82138/82197 co-relation queries the response was YES. [2021-03-26 05:26:52,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14811 conditions, 1256 events. 492/1256 cut-off events. For 82138/82197 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9066 event pairs, 22 based on Foata normal form. 17/1077 useless extension candidates. Maximal degree in co-relation 14510. Up to 228 conditions per place. [2021-03-26 05:26:52,809 INFO L142 LiptonReduction]: Number of co-enabled transitions 2200 [2021-03-26 05:26:52,909 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:26:52,909 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:26:52,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 353 [2021-03-26 05:26:52,909 INFO L480 AbstractCegarLoop]: Abstraction has has 567 places, 536 transitions, 16523 flow [2021-03-26 05:26:52,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:52,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:52,910 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:52,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable383 [2021-03-26 05:26:52,910 INFO L428 AbstractCegarLoop]: === Iteration 385 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:52,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:52,910 INFO L82 PathProgramCache]: Analyzing trace with hash -352235345, now seen corresponding path program 1 times [2021-03-26 05:26:52,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:52,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034287064] [2021-03-26 05:26:52,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:52,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:52,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:52,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:52,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:52,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:52,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:52,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:52,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:52,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:52,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:52,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:52,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:52,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:52,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:52,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:52,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:52,999 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:52,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:53,013 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:53,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:53,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034287064] [2021-03-26 05:26:53,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:53,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:53,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083020923] [2021-03-26 05:26:53,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:53,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:53,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:53,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:53,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 177 [2021-03-26 05:26:53,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 536 transitions, 16523 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:53,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:53,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 177 [2021-03-26 05:26:53,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:53,693 INFO L129 PetriNetUnfolder]: 550/1350 cut-off events. [2021-03-26 05:26:53,693 INFO L130 PetriNetUnfolder]: For 97334/97349 co-relation queries the response was YES. [2021-03-26 05:26:53,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16974 conditions, 1350 events. 550/1350 cut-off events. For 97334/97349 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9484 event pairs, 5 based on Foata normal form. 16/1162 useless extension candidates. Maximal degree in co-relation 16667. Up to 717 conditions per place. [2021-03-26 05:26:53,721 INFO L132 encePairwiseOnDemand]: 162/177 looper letters, 493 selfloop transitions, 49 changer transitions 0/560 dead transitions. [2021-03-26 05:26:53,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 560 transitions, 18786 flow [2021-03-26 05:26:53,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:26:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:26:53,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 595 transitions. [2021-03-26 05:26:53,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30559835644581407 [2021-03-26 05:26:53,723 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 595 transitions. [2021-03-26 05:26:53,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 595 transitions. [2021-03-26 05:26:53,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:53,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 595 transitions. [2021-03-26 05:26:53,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.09090909090909) internal successors, (595), 11 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:53,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 177.0) internal successors, (2124), 12 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:53,724 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 177.0) internal successors, (2124), 12 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:53,725 INFO L185 Difference]: Start difference. First operand has 567 places, 536 transitions, 16523 flow. Second operand 11 states and 595 transitions. [2021-03-26 05:26:53,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 560 transitions, 18786 flow [2021-03-26 05:26:54,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 560 transitions, 18624 flow, removed 52 selfloop flow, removed 10 redundant places. [2021-03-26 05:26:54,458 INFO L241 Difference]: Finished difference. Result has 570 places, 550 transitions, 17466 flow [2021-03-26 05:26:54,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=16369, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17466, PETRI_PLACES=570, PETRI_TRANSITIONS=550} [2021-03-26 05:26:54,459 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 517 predicate places. [2021-03-26 05:26:54,459 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:54,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 570 places, 550 transitions, 17466 flow [2021-03-26 05:26:54,459 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 570 places, 550 transitions, 17466 flow [2021-03-26 05:26:54,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 570 places, 550 transitions, 17466 flow [2021-03-26 05:26:54,708 INFO L129 PetriNetUnfolder]: 506/1289 cut-off events. [2021-03-26 05:26:54,708 INFO L130 PetriNetUnfolder]: For 96867/96932 co-relation queries the response was YES. [2021-03-26 05:26:54,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15571 conditions, 1289 events. 506/1289 cut-off events. For 96867/96932 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9356 event pairs, 17 based on Foata normal form. 16/1103 useless extension candidates. Maximal degree in co-relation 15268. Up to 242 conditions per place. [2021-03-26 05:26:54,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 2284 [2021-03-26 05:26:54,854 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:26:54,855 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:26:54,855 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 396 [2021-03-26 05:26:54,855 INFO L480 AbstractCegarLoop]: Abstraction has has 570 places, 550 transitions, 17543 flow [2021-03-26 05:26:54,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:54,855 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:54,855 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:54,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable384 [2021-03-26 05:26:54,855 INFO L428 AbstractCegarLoop]: === Iteration 386 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:54,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:54,856 INFO L82 PathProgramCache]: Analyzing trace with hash -450542392, now seen corresponding path program 1 times [2021-03-26 05:26:54,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:54,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136012891] [2021-03-26 05:26:54,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:54,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:54,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:54,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:54,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:54,879 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:26:54,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:54,886 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:26:54,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:54,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:54,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:54,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:54,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:54,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:54,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:54,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:54,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:54,949 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:54,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:54,965 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:54,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:54,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136012891] [2021-03-26 05:26:54,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:54,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:26:54,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781292435] [2021-03-26 05:26:54,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:26:54,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:54,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:26:54,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:26:54,968 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 178 [2021-03-26 05:26:54,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 550 transitions, 17543 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:54,968 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:54,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 178 [2021-03-26 05:26:54,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:55,792 INFO L129 PetriNetUnfolder]: 550/1348 cut-off events. [2021-03-26 05:26:55,792 INFO L130 PetriNetUnfolder]: For 98624/98626 co-relation queries the response was YES. [2021-03-26 05:26:55,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17097 conditions, 1348 events. 550/1348 cut-off events. For 98624/98626 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 9425 event pairs, 4 based on Foata normal form. 3/1147 useless extension candidates. Maximal degree in co-relation 16796. Up to 725 conditions per place. [2021-03-26 05:26:55,819 INFO L132 encePairwiseOnDemand]: 163/178 looper letters, 505 selfloop transitions, 41 changer transitions 0/564 dead transitions. [2021-03-26 05:26:55,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 564 transitions, 18942 flow [2021-03-26 05:26:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:26:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:26:55,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 793 transitions. [2021-03-26 05:26:55,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29700374531835205 [2021-03-26 05:26:55,821 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 793 transitions. [2021-03-26 05:26:55,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 793 transitions. [2021-03-26 05:26:55,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:55,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 793 transitions. [2021-03-26 05:26:55,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.86666666666667) internal successors, (793), 15 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:55,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 178.0) internal successors, (2848), 16 states have internal predecessors, (2848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:55,823 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 178.0) internal successors, (2848), 16 states have internal predecessors, (2848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:55,823 INFO L185 Difference]: Start difference. First operand has 570 places, 550 transitions, 17543 flow. Second operand 15 states and 793 transitions. [2021-03-26 05:26:55,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 564 transitions, 18942 flow [2021-03-26 05:26:56,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 564 transitions, 18113 flow, removed 402 selfloop flow, removed 4 redundant places. [2021-03-26 05:26:56,539 INFO L241 Difference]: Finished difference. Result has 581 places, 551 transitions, 16849 flow [2021-03-26 05:26:56,539 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=16715, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16849, PETRI_PLACES=581, PETRI_TRANSITIONS=551} [2021-03-26 05:26:56,539 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 528 predicate places. [2021-03-26 05:26:56,539 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:56,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 581 places, 551 transitions, 16849 flow [2021-03-26 05:26:56,540 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 581 places, 551 transitions, 16849 flow [2021-03-26 05:26:56,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 581 places, 551 transitions, 16849 flow [2021-03-26 05:26:56,786 INFO L129 PetriNetUnfolder]: 514/1303 cut-off events. [2021-03-26 05:26:56,786 INFO L130 PetriNetUnfolder]: For 91242/91317 co-relation queries the response was YES. [2021-03-26 05:26:56,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15258 conditions, 1303 events. 514/1303 cut-off events. For 91242/91317 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9489 event pairs, 20 based on Foata normal form. 12/1107 useless extension candidates. Maximal degree in co-relation 14958. Up to 236 conditions per place. [2021-03-26 05:26:56,828 INFO L142 LiptonReduction]: Number of co-enabled transitions 2286 [2021-03-26 05:26:56,864 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:26:56,864 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:26:56,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 325 [2021-03-26 05:26:56,864 INFO L480 AbstractCegarLoop]: Abstraction has has 581 places, 551 transitions, 16849 flow [2021-03-26 05:26:56,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:56,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:56,864 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:56,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable385 [2021-03-26 05:26:56,865 INFO L428 AbstractCegarLoop]: === Iteration 387 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:56,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:56,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1249433251, now seen corresponding path program 2 times [2021-03-26 05:26:56,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:56,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237792881] [2021-03-26 05:26:56,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:56,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:56,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:56,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:56,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:56,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:56,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:56,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:56,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:56,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:56,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:56,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:56,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:56,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:56,927 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:56,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:56,941 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:56,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:56,956 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:26:56,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:56,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237792881] [2021-03-26 05:26:56,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:56,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:26:56,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460361731] [2021-03-26 05:26:56,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:26:56,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:56,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:26:56,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:26:56,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 178 [2021-03-26 05:26:56,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 551 transitions, 16849 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:56,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:56,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 178 [2021-03-26 05:26:56,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:57,670 INFO L129 PetriNetUnfolder]: 553/1364 cut-off events. [2021-03-26 05:26:57,670 INFO L130 PetriNetUnfolder]: For 92917/92932 co-relation queries the response was YES. [2021-03-26 05:26:57,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16676 conditions, 1364 events. 553/1364 cut-off events. For 92917/92932 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9653 event pairs, 6 based on Foata normal form. 16/1172 useless extension candidates. Maximal degree in co-relation 16372. Up to 692 conditions per place. [2021-03-26 05:26:57,698 INFO L132 encePairwiseOnDemand]: 161/178 looper letters, 484 selfloop transitions, 65 changer transitions 0/567 dead transitions. [2021-03-26 05:26:57,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 567 transitions, 18321 flow [2021-03-26 05:26:57,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:26:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:26:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 597 transitions. [2021-03-26 05:26:57,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.304902962206333 [2021-03-26 05:26:57,700 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 597 transitions. [2021-03-26 05:26:57,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 597 transitions. [2021-03-26 05:26:57,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:57,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 597 transitions. [2021-03-26 05:26:57,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.27272727272727) internal successors, (597), 11 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:57,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 178.0) internal successors, (2136), 12 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:57,701 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 178.0) internal successors, (2136), 12 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:57,701 INFO L185 Difference]: Start difference. First operand has 581 places, 551 transitions, 16849 flow. Second operand 11 states and 597 transitions. [2021-03-26 05:26:57,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 567 transitions, 18321 flow [2021-03-26 05:26:58,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 579 places, 567 transitions, 18223 flow, removed 9 selfloop flow, removed 12 redundant places. [2021-03-26 05:26:58,424 INFO L241 Difference]: Finished difference. Result has 582 places, 555 transitions, 17209 flow [2021-03-26 05:26:58,424 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=16751, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17209, PETRI_PLACES=582, PETRI_TRANSITIONS=555} [2021-03-26 05:26:58,424 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 529 predicate places. [2021-03-26 05:26:58,424 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:26:58,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 582 places, 555 transitions, 17209 flow [2021-03-26 05:26:58,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 582 places, 555 transitions, 17209 flow [2021-03-26 05:26:58,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 582 places, 555 transitions, 17209 flow [2021-03-26 05:26:58,678 INFO L129 PetriNetUnfolder]: 520/1327 cut-off events. [2021-03-26 05:26:58,678 INFO L130 PetriNetUnfolder]: For 91046/91055 co-relation queries the response was YES. [2021-03-26 05:26:58,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15584 conditions, 1327 events. 520/1327 cut-off events. For 91046/91055 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9716 event pairs, 17 based on Foata normal form. 6/1123 useless extension candidates. Maximal degree in co-relation 15279. Up to 242 conditions per place. [2021-03-26 05:26:58,720 INFO L142 LiptonReduction]: Number of co-enabled transitions 2326 [2021-03-26 05:26:58,827 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:26:58,827 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:26:58,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 403 [2021-03-26 05:26:58,827 INFO L480 AbstractCegarLoop]: Abstraction has has 581 places, 554 transitions, 17201 flow [2021-03-26 05:26:58,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:58,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:26:58,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:26:58,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable386 [2021-03-26 05:26:58,828 INFO L428 AbstractCegarLoop]: === Iteration 388 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:26:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:26:58,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1782577414, now seen corresponding path program 1 times [2021-03-26 05:26:58,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:26:58,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629057743] [2021-03-26 05:26:58,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:26:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:26:58,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:58,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:26:58,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:58,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:26:58,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:58,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:58,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:58,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:58,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:58,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:58,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:58,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:58,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:58,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:58,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:26:58,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:26:58,918 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:26:58,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:26:58,934 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:26:58,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:26:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:26:58,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629057743] [2021-03-26 05:26:58,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:26:58,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:26:58,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176581460] [2021-03-26 05:26:58,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:26:58,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:26:58,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:26:58,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:26:58,938 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 05:26:58,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 554 transitions, 17201 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:58,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:26:58,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 05:26:58,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:26:59,688 INFO L129 PetriNetUnfolder]: 551/1358 cut-off events. [2021-03-26 05:26:59,688 INFO L130 PetriNetUnfolder]: For 94111/94115 co-relation queries the response was YES. [2021-03-26 05:26:59,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16764 conditions, 1358 events. 551/1358 cut-off events. For 94111/94115 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9619 event pairs, 6 based on Foata normal form. 5/1157 useless extension candidates. Maximal degree in co-relation 16486. Up to 720 conditions per place. [2021-03-26 05:26:59,716 INFO L132 encePairwiseOnDemand]: 164/179 looper letters, 497 selfloop transitions, 48 changer transitions 0/563 dead transitions. [2021-03-26 05:26:59,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 563 transitions, 18368 flow [2021-03-26 05:26:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:26:59,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:26:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 740 transitions. [2021-03-26 05:26:59,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29529130087789307 [2021-03-26 05:26:59,718 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 740 transitions. [2021-03-26 05:26:59,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 740 transitions. [2021-03-26 05:26:59,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:26:59,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 740 transitions. [2021-03-26 05:26:59,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.857142857142854) internal successors, (740), 14 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:59,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:59,719 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:26:59,720 INFO L185 Difference]: Start difference. First operand has 581 places, 554 transitions, 17201 flow. Second operand 14 states and 740 transitions. [2021-03-26 05:26:59,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 563 transitions, 18368 flow [2021-03-26 05:27:00,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 563 transitions, 18178 flow, removed 70 selfloop flow, removed 6 redundant places. [2021-03-26 05:27:00,396 INFO L241 Difference]: Finished difference. Result has 589 places, 554 transitions, 17117 flow [2021-03-26 05:27:00,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=17011, PETRI_DIFFERENCE_MINUEND_PLACES=575, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17117, PETRI_PLACES=589, PETRI_TRANSITIONS=554} [2021-03-26 05:27:00,396 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 536 predicate places. [2021-03-26 05:27:00,396 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:00,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 589 places, 554 transitions, 17117 flow [2021-03-26 05:27:00,396 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 589 places, 554 transitions, 17117 flow [2021-03-26 05:27:00,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 589 places, 554 transitions, 17117 flow [2021-03-26 05:27:00,650 INFO L129 PetriNetUnfolder]: 517/1321 cut-off events. [2021-03-26 05:27:00,651 INFO L130 PetriNetUnfolder]: For 88543/88579 co-relation queries the response was YES. [2021-03-26 05:27:00,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15271 conditions, 1321 events. 517/1321 cut-off events. For 88543/88579 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9668 event pairs, 15 based on Foata normal form. 13/1120 useless extension candidates. Maximal degree in co-relation 14993. Up to 235 conditions per place. [2021-03-26 05:27:00,702 INFO L142 LiptonReduction]: Number of co-enabled transitions 2316 [2021-03-26 05:27:00,738 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:00,738 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:00,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 343 [2021-03-26 05:27:00,739 INFO L480 AbstractCegarLoop]: Abstraction has has 589 places, 554 transitions, 17117 flow [2021-03-26 05:27:00,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:00,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:00,739 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:00,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable387 [2021-03-26 05:27:00,739 INFO L428 AbstractCegarLoop]: === Iteration 389 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:00,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:00,739 INFO L82 PathProgramCache]: Analyzing trace with hash -994848671, now seen corresponding path program 3 times [2021-03-26 05:27:00,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:00,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520692621] [2021-03-26 05:27:00,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:00,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:00,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:00,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:00,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:00,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:00,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:00,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:00,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:00,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:00,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:00,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:00,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:00,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:00,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:00,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:00,817 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:00,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:00,833 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:00,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:00,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520692621] [2021-03-26 05:27:00,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:00,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:00,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025790012] [2021-03-26 05:27:00,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:00,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:00,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:00,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:00,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 05:27:00,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 554 transitions, 17117 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:00,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:00,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 05:27:00,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:01,516 INFO L129 PetriNetUnfolder]: 552/1369 cut-off events. [2021-03-26 05:27:01,516 INFO L130 PetriNetUnfolder]: For 91947/91962 co-relation queries the response was YES. [2021-03-26 05:27:01,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16758 conditions, 1369 events. 552/1369 cut-off events. For 91947/91962 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9764 event pairs, 6 based on Foata normal form. 16/1176 useless extension candidates. Maximal degree in co-relation 16477. Up to 725 conditions per place. [2021-03-26 05:27:01,545 INFO L132 encePairwiseOnDemand]: 163/179 looper letters, 502 selfloop transitions, 34 changer transitions 9/563 dead transitions. [2021-03-26 05:27:01,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 600 places, 563 transitions, 18284 flow [2021-03-26 05:27:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 638 transitions. [2021-03-26 05:27:01,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29702048417132215 [2021-03-26 05:27:01,547 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 638 transitions. [2021-03-26 05:27:01,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 638 transitions. [2021-03-26 05:27:01,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:01,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 638 transitions. [2021-03-26 05:27:01,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.166666666666664) internal successors, (638), 12 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:01,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:01,548 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:01,548 INFO L185 Difference]: Start difference. First operand has 589 places, 554 transitions, 17117 flow. Second operand 12 states and 638 transitions. [2021-03-26 05:27:01,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 600 places, 563 transitions, 18284 flow [2021-03-26 05:27:02,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 563 transitions, 18188 flow, removed 0 selfloop flow, removed 13 redundant places. [2021-03-26 05:27:02,228 INFO L241 Difference]: Finished difference. Result has 589 places, 546 transitions, 16913 flow [2021-03-26 05:27:02,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=17021, PETRI_DIFFERENCE_MINUEND_PLACES=576, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16913, PETRI_PLACES=589, PETRI_TRANSITIONS=546} [2021-03-26 05:27:02,229 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 536 predicate places. [2021-03-26 05:27:02,229 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:02,229 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 589 places, 546 transitions, 16913 flow [2021-03-26 05:27:02,229 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 589 places, 546 transitions, 16913 flow [2021-03-26 05:27:02,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 584 places, 546 transitions, 16913 flow [2021-03-26 05:27:02,474 INFO L129 PetriNetUnfolder]: 510/1290 cut-off events. [2021-03-26 05:27:02,474 INFO L130 PetriNetUnfolder]: For 92679/92712 co-relation queries the response was YES. [2021-03-26 05:27:02,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15339 conditions, 1290 events. 510/1290 cut-off events. For 92679/92712 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9380 event pairs, 16 based on Foata normal form. 18/1103 useless extension candidates. Maximal degree in co-relation 15068. Up to 234 conditions per place. [2021-03-26 05:27:02,516 INFO L142 LiptonReduction]: Number of co-enabled transitions 2242 [2021-03-26 05:27:02,550 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:02,550 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:02,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 322 [2021-03-26 05:27:02,551 INFO L480 AbstractCegarLoop]: Abstraction has has 584 places, 546 transitions, 16913 flow [2021-03-26 05:27:02,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:02,551 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:02,551 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:02,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable388 [2021-03-26 05:27:02,551 INFO L428 AbstractCegarLoop]: === Iteration 390 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:02,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:02,551 INFO L82 PathProgramCache]: Analyzing trace with hash -942997537, now seen corresponding path program 4 times [2021-03-26 05:27:02,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:02,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066080613] [2021-03-26 05:27:02,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:02,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:02,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:02,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:02,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:02,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:02,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:02,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:02,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:02,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:02,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:02,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:02,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:02,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:02,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:02,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:02,643 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:02,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:02,659 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:02,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:02,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:02,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066080613] [2021-03-26 05:27:02,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:02,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:02,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532096330] [2021-03-26 05:27:02,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:02,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:02,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:02,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:02,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 05:27:02,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 546 transitions, 16913 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:02,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:02,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 05:27:02,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:03,434 INFO L129 PetriNetUnfolder]: 550/1355 cut-off events. [2021-03-26 05:27:03,434 INFO L130 PetriNetUnfolder]: For 92823/92836 co-relation queries the response was YES. [2021-03-26 05:27:03,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16799 conditions, 1355 events. 550/1355 cut-off events. For 92823/92836 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9564 event pairs, 4 based on Foata normal form. 14/1162 useless extension candidates. Maximal degree in co-relation 16526. Up to 704 conditions per place. [2021-03-26 05:27:03,460 INFO L132 encePairwiseOnDemand]: 163/179 looper letters, 471 selfloop transitions, 67 changer transitions 5/561 dead transitions. [2021-03-26 05:27:03,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 595 places, 561 transitions, 18575 flow [2021-03-26 05:27:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 648 transitions. [2021-03-26 05:27:03,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3016759776536313 [2021-03-26 05:27:03,462 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 648 transitions. [2021-03-26 05:27:03,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 648 transitions. [2021-03-26 05:27:03,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:03,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 648 transitions. [2021-03-26 05:27:03,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.0) internal successors, (648), 12 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:03,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:03,463 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:03,463 INFO L185 Difference]: Start difference. First operand has 584 places, 546 transitions, 16913 flow. Second operand 12 states and 648 transitions. [2021-03-26 05:27:03,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 595 places, 561 transitions, 18575 flow [2021-03-26 05:27:04,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 561 transitions, 18371 flow, removed 12 selfloop flow, removed 15 redundant places. [2021-03-26 05:27:04,139 INFO L241 Difference]: Finished difference. Result has 584 places, 548 transitions, 17018 flow [2021-03-26 05:27:04,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=16713, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17018, PETRI_PLACES=584, PETRI_TRANSITIONS=548} [2021-03-26 05:27:04,140 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 531 predicate places. [2021-03-26 05:27:04,140 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:04,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 584 places, 548 transitions, 17018 flow [2021-03-26 05:27:04,140 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 584 places, 548 transitions, 17018 flow [2021-03-26 05:27:04,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 583 places, 548 transitions, 17018 flow [2021-03-26 05:27:04,383 INFO L129 PetriNetUnfolder]: 507/1283 cut-off events. [2021-03-26 05:27:04,383 INFO L130 PetriNetUnfolder]: For 92960/92998 co-relation queries the response was YES. [2021-03-26 05:27:04,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15323 conditions, 1283 events. 507/1283 cut-off events. For 92960/92998 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9298 event pairs, 17 based on Foata normal form. 14/1094 useless extension candidates. Maximal degree in co-relation 15045. Up to 233 conditions per place. [2021-03-26 05:27:04,424 INFO L142 LiptonReduction]: Number of co-enabled transitions 2242 [2021-03-26 05:27:04,460 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:04,460 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:04,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 320 [2021-03-26 05:27:04,460 INFO L480 AbstractCegarLoop]: Abstraction has has 583 places, 548 transitions, 17018 flow [2021-03-26 05:27:04,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:04,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:04,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:04,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable389 [2021-03-26 05:27:04,461 INFO L428 AbstractCegarLoop]: === Iteration 391 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:04,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:04,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1037277633, now seen corresponding path program 5 times [2021-03-26 05:27:04,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:04,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988474245] [2021-03-26 05:27:04,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:04,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:04,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:04,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:04,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:04,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:04,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:04,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:04,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:04,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:04,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:04,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:04,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:04,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:04,534 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:04,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:04,548 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:04,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:04,564 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:27:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:04,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988474245] [2021-03-26 05:27:04,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:04,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:04,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392322889] [2021-03-26 05:27:04,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:04,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:04,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:04,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:04,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 05:27:04,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 548 transitions, 17018 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:04,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:04,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 05:27:04,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:05,360 INFO L129 PetriNetUnfolder]: 547/1351 cut-off events. [2021-03-26 05:27:05,360 INFO L130 PetriNetUnfolder]: For 93509/93515 co-relation queries the response was YES. [2021-03-26 05:27:05,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16735 conditions, 1351 events. 547/1351 cut-off events. For 93509/93515 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9556 event pairs, 4 based on Foata normal form. 7/1152 useless extension candidates. Maximal degree in co-relation 16454. Up to 673 conditions per place. [2021-03-26 05:27:05,390 INFO L132 encePairwiseOnDemand]: 162/179 looper letters, 474 selfloop transitions, 69 changer transitions 2/563 dead transitions. [2021-03-26 05:27:05,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 563 transitions, 18522 flow [2021-03-26 05:27:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 650 transitions. [2021-03-26 05:27:05,392 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3026070763500931 [2021-03-26 05:27:05,392 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 650 transitions. [2021-03-26 05:27:05,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 650 transitions. [2021-03-26 05:27:05,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:05,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 650 transitions. [2021-03-26 05:27:05,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.166666666666664) internal successors, (650), 12 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:05,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:05,393 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:05,393 INFO L185 Difference]: Start difference. First operand has 583 places, 548 transitions, 17018 flow. Second operand 12 states and 650 transitions. [2021-03-26 05:27:05,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 563 transitions, 18522 flow [2021-03-26 05:27:06,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 563 transitions, 18266 flow, removed 71 selfloop flow, removed 10 redundant places. [2021-03-26 05:27:06,120 INFO L241 Difference]: Finished difference. Result has 587 places, 549 transitions, 17007 flow [2021-03-26 05:27:06,120 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=16762, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17007, PETRI_PLACES=587, PETRI_TRANSITIONS=549} [2021-03-26 05:27:06,120 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 534 predicate places. [2021-03-26 05:27:06,120 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:06,120 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 587 places, 549 transitions, 17007 flow [2021-03-26 05:27:06,120 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 587 places, 549 transitions, 17007 flow [2021-03-26 05:27:06,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 585 places, 549 transitions, 17007 flow [2021-03-26 05:27:06,367 INFO L129 PetriNetUnfolder]: 503/1283 cut-off events. [2021-03-26 05:27:06,367 INFO L130 PetriNetUnfolder]: For 84491/84523 co-relation queries the response was YES. [2021-03-26 05:27:06,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15134 conditions, 1283 events. 503/1283 cut-off events. For 84491/84523 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9327 event pairs, 15 based on Foata normal form. 18/1097 useless extension candidates. Maximal degree in co-relation 14866. Up to 230 conditions per place. [2021-03-26 05:27:06,409 INFO L142 LiptonReduction]: Number of co-enabled transitions 2252 [2021-03-26 05:27:06,445 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:06,445 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:06,445 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 325 [2021-03-26 05:27:06,445 INFO L480 AbstractCegarLoop]: Abstraction has has 585 places, 549 transitions, 17007 flow [2021-03-26 05:27:06,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:06,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:06,446 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:06,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable390 [2021-03-26 05:27:06,446 INFO L428 AbstractCegarLoop]: === Iteration 392 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:06,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:06,446 INFO L82 PathProgramCache]: Analyzing trace with hash 632956179, now seen corresponding path program 6 times [2021-03-26 05:27:06,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:06,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13689362] [2021-03-26 05:27:06,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:06,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:06,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:06,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:06,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:06,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:06,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:06,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:06,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:06,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:06,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:06,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:06,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:06,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:06,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:06,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:06,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:06,535 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:06,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:06,543 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:06,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:06,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13689362] [2021-03-26 05:27:06,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:06,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:06,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275784834] [2021-03-26 05:27:06,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:06,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:06,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:06,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:06,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 05:27:06,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 549 transitions, 17007 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:06,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:06,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 05:27:06,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:07,275 INFO L129 PetriNetUnfolder]: 547/1351 cut-off events. [2021-03-26 05:27:07,275 INFO L130 PetriNetUnfolder]: For 92172/92176 co-relation queries the response was YES. [2021-03-26 05:27:07,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16670 conditions, 1351 events. 547/1351 cut-off events. For 92172/92176 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9548 event pairs, 6 based on Foata normal form. 5/1149 useless extension candidates. Maximal degree in co-relation 16400. Up to 727 conditions per place. [2021-03-26 05:27:07,301 INFO L132 encePairwiseOnDemand]: 164/179 looper letters, 501 selfloop transitions, 39 changer transitions 0/558 dead transitions. [2021-03-26 05:27:07,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 595 places, 558 transitions, 18319 flow [2021-03-26 05:27:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:27:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:27:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 588 transitions. [2021-03-26 05:27:07,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29862874555611985 [2021-03-26 05:27:07,302 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 588 transitions. [2021-03-26 05:27:07,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 588 transitions. [2021-03-26 05:27:07,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:07,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 588 transitions. [2021-03-26 05:27:07,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.45454545454545) internal successors, (588), 11 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:07,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 179.0) internal successors, (2148), 12 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:07,303 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 179.0) internal successors, (2148), 12 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:07,304 INFO L185 Difference]: Start difference. First operand has 585 places, 549 transitions, 17007 flow. Second operand 11 states and 588 transitions. [2021-03-26 05:27:07,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 595 places, 558 transitions, 18319 flow [2021-03-26 05:27:07,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 558 transitions, 18153 flow, removed 24 selfloop flow, removed 10 redundant places. [2021-03-26 05:27:07,991 INFO L241 Difference]: Finished difference. Result has 588 places, 551 transitions, 17042 flow [2021-03-26 05:27:07,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=16842, PETRI_DIFFERENCE_MINUEND_PLACES=575, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17042, PETRI_PLACES=588, PETRI_TRANSITIONS=551} [2021-03-26 05:27:07,992 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 535 predicate places. [2021-03-26 05:27:07,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:07,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 588 places, 551 transitions, 17042 flow [2021-03-26 05:27:07,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 588 places, 551 transitions, 17042 flow [2021-03-26 05:27:07,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 588 places, 551 transitions, 17042 flow [2021-03-26 05:27:08,252 INFO L129 PetriNetUnfolder]: 516/1316 cut-off events. [2021-03-26 05:27:08,252 INFO L130 PetriNetUnfolder]: For 91982/92008 co-relation queries the response was YES. [2021-03-26 05:27:08,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15646 conditions, 1316 events. 516/1316 cut-off events. For 91982/92008 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9631 event pairs, 20 based on Foata normal form. 3/1111 useless extension candidates. Maximal degree in co-relation 15367. Up to 240 conditions per place. [2021-03-26 05:27:08,297 INFO L142 LiptonReduction]: Number of co-enabled transitions 2276 [2021-03-26 05:27:08,405 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:08,405 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:27:08,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 413 [2021-03-26 05:27:08,405 INFO L480 AbstractCegarLoop]: Abstraction has has 588 places, 551 transitions, 17046 flow [2021-03-26 05:27:08,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:08,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:08,405 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:08,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable391 [2021-03-26 05:27:08,405 INFO L428 AbstractCegarLoop]: === Iteration 393 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:08,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:08,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1464088683, now seen corresponding path program 7 times [2021-03-26 05:27:08,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:08,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2387967] [2021-03-26 05:27:08,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:08,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:08,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:08,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:08,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:08,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:08,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:08,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:08,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:08,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:08,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:08,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:08,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:08,463 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:27:08,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:08,466 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:27:08,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:08,478 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:08,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:08,492 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:08,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:08,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2387967] [2021-03-26 05:27:08,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:08,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:08,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890225810] [2021-03-26 05:27:08,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:08,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:08,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:08,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:08,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 180 [2021-03-26 05:27:08,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 551 transitions, 17046 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:08,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:08,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 180 [2021-03-26 05:27:08,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:09,203 INFO L129 PetriNetUnfolder]: 553/1369 cut-off events. [2021-03-26 05:27:09,203 INFO L130 PetriNetUnfolder]: For 93813/93817 co-relation queries the response was YES. [2021-03-26 05:27:09,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16855 conditions, 1369 events. 553/1369 cut-off events. For 93813/93817 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9739 event pairs, 4 based on Foata normal form. 5/1163 useless extension candidates. Maximal degree in co-relation 16573. Up to 724 conditions per place. [2021-03-26 05:27:09,230 INFO L132 encePairwiseOnDemand]: 163/180 looper letters, 497 selfloop transitions, 48 changer transitions 2/565 dead transitions. [2021-03-26 05:27:09,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 565 transitions, 18697 flow [2021-03-26 05:27:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 643 transitions. [2021-03-26 05:27:09,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29768518518518516 [2021-03-26 05:27:09,232 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 643 transitions. [2021-03-26 05:27:09,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 643 transitions. [2021-03-26 05:27:09,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:09,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 643 transitions. [2021-03-26 05:27:09,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.583333333333336) internal successors, (643), 12 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:09,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 180.0) internal successors, (2340), 13 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:09,233 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 180.0) internal successors, (2340), 13 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:09,234 INFO L185 Difference]: Start difference. First operand has 588 places, 551 transitions, 17046 flow. Second operand 12 states and 643 transitions. [2021-03-26 05:27:09,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 565 transitions, 18697 flow [2021-03-26 05:27:09,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 592 places, 565 transitions, 18512 flow, removed 57 selfloop flow, removed 7 redundant places. [2021-03-26 05:27:09,906 INFO L241 Difference]: Finished difference. Result has 595 places, 556 transitions, 17340 flow [2021-03-26 05:27:09,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=16863, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17340, PETRI_PLACES=595, PETRI_TRANSITIONS=556} [2021-03-26 05:27:09,907 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 542 predicate places. [2021-03-26 05:27:09,907 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:09,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 595 places, 556 transitions, 17340 flow [2021-03-26 05:27:09,907 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 595 places, 556 transitions, 17340 flow [2021-03-26 05:27:09,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 594 places, 556 transitions, 17340 flow [2021-03-26 05:27:10,145 INFO L129 PetriNetUnfolder]: 515/1312 cut-off events. [2021-03-26 05:27:10,146 INFO L130 PetriNetUnfolder]: For 94494/94528 co-relation queries the response was YES. [2021-03-26 05:27:10,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15516 conditions, 1312 events. 515/1312 cut-off events. For 94494/94528 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9603 event pairs, 10 based on Foata normal form. 19/1120 useless extension candidates. Maximal degree in co-relation 15234. Up to 233 conditions per place. [2021-03-26 05:27:10,184 INFO L142 LiptonReduction]: Number of co-enabled transitions 2280 [2021-03-26 05:27:10,299 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 05:27:10,299 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:27:10,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 392 [2021-03-26 05:27:10,299 INFO L480 AbstractCegarLoop]: Abstraction has has 594 places, 556 transitions, 17365 flow [2021-03-26 05:27:10,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:10,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:10,299 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:10,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable392 [2021-03-26 05:27:10,300 INFO L428 AbstractCegarLoop]: === Iteration 394 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:10,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:10,300 INFO L82 PathProgramCache]: Analyzing trace with hash 854656739, now seen corresponding path program 1 times [2021-03-26 05:27:10,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:10,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202809206] [2021-03-26 05:27:10,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:10,307 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 05:27:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:27:10,318 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:27:10,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:10,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:27:10,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:10,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:10,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:27:10,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:10,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:10,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:10,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:10,371 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:27:10,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:10,386 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:10,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:10,401 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:27:10,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:10,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:10,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202809206] [2021-03-26 05:27:10,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:10,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:10,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673056416] [2021-03-26 05:27:10,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:10,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:10,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:10,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:10,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 181 [2021-03-26 05:27:10,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 556 transitions, 17365 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:10,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:10,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 181 [2021-03-26 05:27:10,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:11,232 INFO L129 PetriNetUnfolder]: 557/1383 cut-off events. [2021-03-26 05:27:11,233 INFO L130 PetriNetUnfolder]: For 95204/95208 co-relation queries the response was YES. [2021-03-26 05:27:11,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16892 conditions, 1383 events. 557/1383 cut-off events. For 95204/95208 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9881 event pairs, 9 based on Foata normal form. 5/1172 useless extension candidates. Maximal degree in co-relation 16606. Up to 722 conditions per place. [2021-03-26 05:27:11,259 INFO L132 encePairwiseOnDemand]: 164/181 looper letters, 499 selfloop transitions, 46 changer transitions 3/566 dead transitions. [2021-03-26 05:27:11,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 566 transitions, 18684 flow [2021-03-26 05:27:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:27:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:27:11,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 691 transitions. [2021-03-26 05:27:11,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2936676583085423 [2021-03-26 05:27:11,261 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 691 transitions. [2021-03-26 05:27:11,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 691 transitions. [2021-03-26 05:27:11,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:11,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 691 transitions. [2021-03-26 05:27:11,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.15384615384615) internal successors, (691), 13 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:11,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:11,263 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:11,263 INFO L185 Difference]: Start difference. First operand has 594 places, 556 transitions, 17365 flow. Second operand 13 states and 691 transitions. [2021-03-26 05:27:11,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 566 transitions, 18684 flow [2021-03-26 05:27:11,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 598 places, 566 transitions, 18320 flow, removed 141 selfloop flow, removed 8 redundant places. [2021-03-26 05:27:12,002 INFO L241 Difference]: Finished difference. Result has 600 places, 555 transitions, 17045 flow [2021-03-26 05:27:12,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=17007, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=17045, PETRI_PLACES=600, PETRI_TRANSITIONS=555} [2021-03-26 05:27:12,002 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 547 predicate places. [2021-03-26 05:27:12,002 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:12,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 600 places, 555 transitions, 17045 flow [2021-03-26 05:27:12,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 600 places, 555 transitions, 17045 flow [2021-03-26 05:27:12,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 599 places, 555 transitions, 17045 flow [2021-03-26 05:27:12,252 INFO L129 PetriNetUnfolder]: 504/1292 cut-off events. [2021-03-26 05:27:12,252 INFO L130 PetriNetUnfolder]: For 88624/88660 co-relation queries the response was YES. [2021-03-26 05:27:12,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15199 conditions, 1292 events. 504/1292 cut-off events. For 88624/88660 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9432 event pairs, 12 based on Foata normal form. 13/1100 useless extension candidates. Maximal degree in co-relation 14915. Up to 229 conditions per place. [2021-03-26 05:27:12,296 INFO L142 LiptonReduction]: Number of co-enabled transitions 2280 [2021-03-26 05:27:12,332 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:12,332 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:12,333 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 331 [2021-03-26 05:27:12,333 INFO L480 AbstractCegarLoop]: Abstraction has has 599 places, 555 transitions, 17045 flow [2021-03-26 05:27:12,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:12,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:12,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:12,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable393 [2021-03-26 05:27:12,333 INFO L428 AbstractCegarLoop]: === Iteration 395 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:12,333 INFO L82 PathProgramCache]: Analyzing trace with hash 554567919, now seen corresponding path program 2 times [2021-03-26 05:27:12,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:12,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805749498] [2021-03-26 05:27:12,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:12,340 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 05:27:12,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:27:12,351 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:27:12,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:12,358 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:27:12,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:12,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:12,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:27:12,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:12,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:12,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:12,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:12,405 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:27:12,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:12,419 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:12,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:12,435 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:27:12,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:12,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805749498] [2021-03-26 05:27:12,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:12,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:12,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572206812] [2021-03-26 05:27:12,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:12,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:12,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:12,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:12,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 181 [2021-03-26 05:27:12,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 599 places, 555 transitions, 17045 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:12,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:12,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 181 [2021-03-26 05:27:12,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:13,193 INFO L129 PetriNetUnfolder]: 554/1375 cut-off events. [2021-03-26 05:27:13,194 INFO L130 PetriNetUnfolder]: For 96104/96117 co-relation queries the response was YES. [2021-03-26 05:27:13,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16870 conditions, 1375 events. 554/1375 cut-off events. For 96104/96117 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9786 event pairs, 9 based on Foata normal form. 14/1177 useless extension candidates. Maximal degree in co-relation 16583. Up to 720 conditions per place. [2021-03-26 05:27:13,223 INFO L132 encePairwiseOnDemand]: 163/181 looper letters, 498 selfloop transitions, 49 changer transitions 3/568 dead transitions. [2021-03-26 05:27:13,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 568 transitions, 18617 flow [2021-03-26 05:27:13,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:27:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:27:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 692 transitions. [2021-03-26 05:27:13,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2940926476838079 [2021-03-26 05:27:13,225 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 692 transitions. [2021-03-26 05:27:13,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 692 transitions. [2021-03-26 05:27:13,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:13,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 692 transitions. [2021-03-26 05:27:13,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.23076923076923) internal successors, (692), 13 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:13,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:13,226 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:13,226 INFO L185 Difference]: Start difference. First operand has 599 places, 555 transitions, 17045 flow. Second operand 13 states and 692 transitions. [2021-03-26 05:27:13,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 568 transitions, 18617 flow [2021-03-26 05:27:13,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 598 places, 568 transitions, 18444 flow, removed 35 selfloop flow, removed 13 redundant places. [2021-03-26 05:27:13,963 INFO L241 Difference]: Finished difference. Result has 600 places, 557 transitions, 17344 flow [2021-03-26 05:27:13,964 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=16874, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=555, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=17344, PETRI_PLACES=600, PETRI_TRANSITIONS=557} [2021-03-26 05:27:13,964 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 547 predicate places. [2021-03-26 05:27:13,964 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:13,964 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 600 places, 557 transitions, 17344 flow [2021-03-26 05:27:13,964 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 600 places, 557 transitions, 17344 flow [2021-03-26 05:27:13,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 599 places, 557 transitions, 17344 flow [2021-03-26 05:27:14,217 INFO L129 PetriNetUnfolder]: 510/1305 cut-off events. [2021-03-26 05:27:14,217 INFO L130 PetriNetUnfolder]: For 92703/92735 co-relation queries the response was YES. [2021-03-26 05:27:14,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15482 conditions, 1305 events. 510/1305 cut-off events. For 92703/92735 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9542 event pairs, 14 based on Foata normal form. 18/1116 useless extension candidates. Maximal degree in co-relation 15208. Up to 232 conditions per place. [2021-03-26 05:27:14,259 INFO L142 LiptonReduction]: Number of co-enabled transitions 2280 [2021-03-26 05:27:14,296 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:14,296 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:14,296 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 332 [2021-03-26 05:27:14,296 INFO L480 AbstractCegarLoop]: Abstraction has has 599 places, 557 transitions, 17344 flow [2021-03-26 05:27:14,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:14,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:14,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:14,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable394 [2021-03-26 05:27:14,296 INFO L428 AbstractCegarLoop]: === Iteration 396 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:14,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:14,297 INFO L82 PathProgramCache]: Analyzing trace with hash 757134139, now seen corresponding path program 3 times [2021-03-26 05:27:14,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:14,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591715827] [2021-03-26 05:27:14,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:14,303 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 05:27:14,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:27:14,316 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 05:27:14,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:14,323 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:27:14,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:14,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:14,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 05:27:14,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:14,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:14,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:14,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:14,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:14,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:14,384 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:14,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:14,400 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:14,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591715827] [2021-03-26 05:27:14,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:14,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:14,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903714823] [2021-03-26 05:27:14,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:14,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:14,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:14,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:14,418 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 181 [2021-03-26 05:27:14,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 599 places, 557 transitions, 17344 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:14,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:14,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 181 [2021-03-26 05:27:14,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:15,180 INFO L129 PetriNetUnfolder]: 554/1374 cut-off events. [2021-03-26 05:27:15,181 INFO L130 PetriNetUnfolder]: For 101066/101070 co-relation queries the response was YES. [2021-03-26 05:27:15,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17110 conditions, 1374 events. 554/1374 cut-off events. For 101066/101070 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9764 event pairs, 8 based on Foata normal form. 5/1169 useless extension candidates. Maximal degree in co-relation 16834. Up to 720 conditions per place. [2021-03-26 05:27:15,210 INFO L132 encePairwiseOnDemand]: 164/181 looper letters, 502 selfloop transitions, 45 changer transitions 6/571 dead transitions. [2021-03-26 05:27:15,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 571 transitions, 18992 flow [2021-03-26 05:27:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:15,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:15,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 642 transitions. [2021-03-26 05:27:15,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2955801104972376 [2021-03-26 05:27:15,212 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 642 transitions. [2021-03-26 05:27:15,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 642 transitions. [2021-03-26 05:27:15,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:15,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 642 transitions. [2021-03-26 05:27:15,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.5) internal successors, (642), 12 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:15,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 181.0) internal successors, (2353), 13 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:15,213 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 181.0) internal successors, (2353), 13 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:15,213 INFO L185 Difference]: Start difference. First operand has 599 places, 557 transitions, 17344 flow. Second operand 12 states and 642 transitions. [2021-03-26 05:27:15,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 571 transitions, 18992 flow [2021-03-26 05:27:15,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 571 transitions, 18558 flow, removed 162 selfloop flow, removed 13 redundant places. [2021-03-26 05:27:15,927 INFO L241 Difference]: Finished difference. Result has 600 places, 557 transitions, 17425 flow [2021-03-26 05:27:15,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=16910, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17425, PETRI_PLACES=600, PETRI_TRANSITIONS=557} [2021-03-26 05:27:15,927 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 547 predicate places. [2021-03-26 05:27:15,927 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:15,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 600 places, 557 transitions, 17425 flow [2021-03-26 05:27:15,927 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 600 places, 557 transitions, 17425 flow [2021-03-26 05:27:15,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 595 places, 557 transitions, 17425 flow [2021-03-26 05:27:16,182 INFO L129 PetriNetUnfolder]: 510/1298 cut-off events. [2021-03-26 05:27:16,182 INFO L130 PetriNetUnfolder]: For 94097/94133 co-relation queries the response was YES. [2021-03-26 05:27:16,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15495 conditions, 1298 events. 510/1298 cut-off events. For 94097/94133 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9466 event pairs, 12 based on Foata normal form. 13/1104 useless extension candidates. Maximal degree in co-relation 15239. Up to 234 conditions per place. [2021-03-26 05:27:16,227 INFO L142 LiptonReduction]: Number of co-enabled transitions 2246 [2021-03-26 05:27:16,263 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:16,263 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:16,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 336 [2021-03-26 05:27:16,263 INFO L480 AbstractCegarLoop]: Abstraction has has 595 places, 557 transitions, 17425 flow [2021-03-26 05:27:16,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:16,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:16,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:16,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable395 [2021-03-26 05:27:16,264 INFO L428 AbstractCegarLoop]: === Iteration 397 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:16,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:16,264 INFO L82 PathProgramCache]: Analyzing trace with hash 923666943, now seen corresponding path program 8 times [2021-03-26 05:27:16,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:16,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897997436] [2021-03-26 05:27:16,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:16,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:16,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:16,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:16,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:16,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:16,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:16,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:16,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:16,326 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:27:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:16,329 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:27:16,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:16,342 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:16,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:16,357 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:16,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:16,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897997436] [2021-03-26 05:27:16,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:16,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:16,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404960215] [2021-03-26 05:27:16,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:16,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:16,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:16,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:16,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 181 [2021-03-26 05:27:16,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 557 transitions, 17425 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:16,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:16,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 181 [2021-03-26 05:27:16,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:17,097 INFO L129 PetriNetUnfolder]: 549/1357 cut-off events. [2021-03-26 05:27:17,097 INFO L130 PetriNetUnfolder]: For 99173/99177 co-relation queries the response was YES. [2021-03-26 05:27:17,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16957 conditions, 1357 events. 549/1357 cut-off events. For 99173/99177 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9570 event pairs, 8 based on Foata normal form. 5/1156 useless extension candidates. Maximal degree in co-relation 16699. Up to 729 conditions per place. [2021-03-26 05:27:17,128 INFO L132 encePairwiseOnDemand]: 164/181 looper letters, 504 selfloop transitions, 39 changer transitions 4/565 dead transitions. [2021-03-26 05:27:17,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 565 transitions, 18613 flow [2021-03-26 05:27:17,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:17,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 639 transitions. [2021-03-26 05:27:17,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2941988950276243 [2021-03-26 05:27:17,130 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 639 transitions. [2021-03-26 05:27:17,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 639 transitions. [2021-03-26 05:27:17,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:17,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 639 transitions. [2021-03-26 05:27:17,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.25) internal successors, (639), 12 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:17,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 181.0) internal successors, (2353), 13 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:17,131 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 181.0) internal successors, (2353), 13 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:17,131 INFO L185 Difference]: Start difference. First operand has 595 places, 557 transitions, 17425 flow. Second operand 12 states and 639 transitions. [2021-03-26 05:27:17,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 565 transitions, 18613 flow [2021-03-26 05:27:17,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 565 transitions, 18125 flow, removed 212 selfloop flow, removed 11 redundant places. [2021-03-26 05:27:17,905 INFO L241 Difference]: Finished difference. Result has 597 places, 554 transitions, 16967 flow [2021-03-26 05:27:17,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=16939, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16967, PETRI_PLACES=597, PETRI_TRANSITIONS=554} [2021-03-26 05:27:17,905 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 544 predicate places. [2021-03-26 05:27:17,905 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:17,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 597 places, 554 transitions, 16967 flow [2021-03-26 05:27:17,905 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 597 places, 554 transitions, 16967 flow [2021-03-26 05:27:17,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 596 places, 554 transitions, 16967 flow [2021-03-26 05:27:18,173 INFO L129 PetriNetUnfolder]: 509/1295 cut-off events. [2021-03-26 05:27:18,173 INFO L130 PetriNetUnfolder]: For 90014/90044 co-relation queries the response was YES. [2021-03-26 05:27:18,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15332 conditions, 1295 events. 509/1295 cut-off events. For 90014/90044 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9421 event pairs, 14 based on Foata normal form. 17/1107 useless extension candidates. Maximal degree in co-relation 15059. Up to 233 conditions per place. [2021-03-26 05:27:18,217 INFO L142 LiptonReduction]: Number of co-enabled transitions 2246 [2021-03-26 05:27:18,254 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:18,254 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:18,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 349 [2021-03-26 05:27:18,255 INFO L480 AbstractCegarLoop]: Abstraction has has 596 places, 554 transitions, 16967 flow [2021-03-26 05:27:18,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:18,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:18,255 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:18,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable396 [2021-03-26 05:27:18,255 INFO L428 AbstractCegarLoop]: === Iteration 398 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:18,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:18,255 INFO L82 PathProgramCache]: Analyzing trace with hash -2083429761, now seen corresponding path program 9 times [2021-03-26 05:27:18,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:18,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790814147] [2021-03-26 05:27:18,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:18,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:18,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:18,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:18,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:18,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:18,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:18,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:18,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:18,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:18,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:18,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:18,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:18,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:18,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:18,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:18,345 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:18,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:18,362 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:18,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:18,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:18,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790814147] [2021-03-26 05:27:18,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:18,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:18,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115706921] [2021-03-26 05:27:18,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:18,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:18,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:18,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:18,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 181 [2021-03-26 05:27:18,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 554 transitions, 16967 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:18,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:18,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 181 [2021-03-26 05:27:18,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:19,123 INFO L129 PetriNetUnfolder]: 552/1362 cut-off events. [2021-03-26 05:27:19,123 INFO L130 PetriNetUnfolder]: For 95091/95097 co-relation queries the response was YES. [2021-03-26 05:27:19,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16718 conditions, 1362 events. 552/1362 cut-off events. For 95091/95097 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9669 event pairs, 9 based on Foata normal form. 7/1159 useless extension candidates. Maximal degree in co-relation 16443. Up to 718 conditions per place. [2021-03-26 05:27:19,150 INFO L132 encePairwiseOnDemand]: 164/181 looper letters, 502 selfloop transitions, 33 changer transitions 9/562 dead transitions. [2021-03-26 05:27:19,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 562 transitions, 18115 flow [2021-03-26 05:27:19,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:27:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:27:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 685 transitions. [2021-03-26 05:27:19,152 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2911177220569486 [2021-03-26 05:27:19,152 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 685 transitions. [2021-03-26 05:27:19,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 685 transitions. [2021-03-26 05:27:19,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:19,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 685 transitions. [2021-03-26 05:27:19,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.69230769230769) internal successors, (685), 13 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:19,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:19,153 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:19,153 INFO L185 Difference]: Start difference. First operand has 596 places, 554 transitions, 16967 flow. Second operand 13 states and 685 transitions. [2021-03-26 05:27:19,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 562 transitions, 18115 flow [2021-03-26 05:27:19,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 562 transitions, 18021 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 05:27:19,859 INFO L241 Difference]: Finished difference. Result has 596 places, 545 transitions, 16793 flow [2021-03-26 05:27:19,859 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=16873, PETRI_DIFFERENCE_MINUEND_PLACES=583, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16793, PETRI_PLACES=596, PETRI_TRANSITIONS=545} [2021-03-26 05:27:19,860 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 543 predicate places. [2021-03-26 05:27:19,860 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:19,860 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 596 places, 545 transitions, 16793 flow [2021-03-26 05:27:19,860 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 596 places, 545 transitions, 16793 flow [2021-03-26 05:27:19,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 545 transitions, 16793 flow [2021-03-26 05:27:20,102 INFO L129 PetriNetUnfolder]: 509/1280 cut-off events. [2021-03-26 05:27:20,102 INFO L130 PetriNetUnfolder]: For 95207/95211 co-relation queries the response was YES. [2021-03-26 05:27:20,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15655 conditions, 1280 events. 509/1280 cut-off events. For 95207/95211 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9192 event pairs, 11 based on Foata normal form. 2/1085 useless extension candidates. Maximal degree in co-relation 15383. Up to 238 conditions per place. [2021-03-26 05:27:20,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 2182 [2021-03-26 05:27:20,180 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:20,180 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:20,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 320 [2021-03-26 05:27:20,180 INFO L480 AbstractCegarLoop]: Abstraction has has 586 places, 545 transitions, 16793 flow [2021-03-26 05:27:20,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:20,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:20,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:20,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable397 [2021-03-26 05:27:20,181 INFO L428 AbstractCegarLoop]: === Iteration 399 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:20,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:20,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1194910996, now seen corresponding path program 79 times [2021-03-26 05:27:20,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:20,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413110974] [2021-03-26 05:27:20,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:20,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:20,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:20,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:20,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:20,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:20,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:20,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:20,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:27:20,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:20,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:20,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:20,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:20,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:20,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:20,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:20,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:20,247 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:27:20,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:20,261 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:20,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:20,276 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:20,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:20,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:20,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413110974] [2021-03-26 05:27:20,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:20,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:20,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118551610] [2021-03-26 05:27:20,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:20,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:20,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:20,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:20,280 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 181 [2021-03-26 05:27:20,280 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 545 transitions, 16793 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:20,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:20,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 181 [2021-03-26 05:27:20,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:20,925 INFO L129 PetriNetUnfolder]: 543/1331 cut-off events. [2021-03-26 05:27:20,925 INFO L130 PetriNetUnfolder]: For 94294/94307 co-relation queries the response was YES. [2021-03-26 05:27:20,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16592 conditions, 1331 events. 543/1331 cut-off events. For 94294/94307 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9276 event pairs, 9 based on Foata normal form. 14/1143 useless extension candidates. Maximal degree in co-relation 16318. Up to 723 conditions per place. [2021-03-26 05:27:20,954 INFO L132 encePairwiseOnDemand]: 165/181 looper letters, 503 selfloop transitions, 22 changer transitions 8/551 dead transitions. [2021-03-26 05:27:20,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 551 transitions, 17903 flow [2021-03-26 05:27:20,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:27:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:27:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 580 transitions. [2021-03-26 05:27:20,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2913108990457057 [2021-03-26 05:27:20,955 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 580 transitions. [2021-03-26 05:27:20,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 580 transitions. [2021-03-26 05:27:20,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:20,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 580 transitions. [2021-03-26 05:27:20,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 52.72727272727273) internal successors, (580), 11 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:20,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 181.0) internal successors, (2172), 12 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:20,956 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 181.0) internal successors, (2172), 12 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:20,957 INFO L185 Difference]: Start difference. First operand has 586 places, 545 transitions, 16793 flow. Second operand 11 states and 580 transitions. [2021-03-26 05:27:20,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 551 transitions, 17903 flow [2021-03-26 05:27:21,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 551 transitions, 17678 flow, removed 14 selfloop flow, removed 16 redundant places. [2021-03-26 05:27:21,639 INFO L241 Difference]: Finished difference. Result has 581 places, 537 transitions, 16335 flow [2021-03-26 05:27:21,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=16568, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16335, PETRI_PLACES=581, PETRI_TRANSITIONS=537} [2021-03-26 05:27:21,639 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 528 predicate places. [2021-03-26 05:27:21,639 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:21,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 581 places, 537 transitions, 16335 flow [2021-03-26 05:27:21,639 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 581 places, 537 transitions, 16335 flow [2021-03-26 05:27:21,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 572 places, 537 transitions, 16335 flow [2021-03-26 05:27:21,873 INFO L129 PetriNetUnfolder]: 511/1276 cut-off events. [2021-03-26 05:27:21,874 INFO L130 PetriNetUnfolder]: For 92160/92171 co-relation queries the response was YES. [2021-03-26 05:27:21,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15230 conditions, 1276 events. 511/1276 cut-off events. For 92160/92171 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9105 event pairs, 11 based on Foata normal form. 7/1085 useless extension candidates. Maximal degree in co-relation 14965. Up to 239 conditions per place. [2021-03-26 05:27:21,914 INFO L142 LiptonReduction]: Number of co-enabled transitions 2172 [2021-03-26 05:27:21,948 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:21,948 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:21,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 309 [2021-03-26 05:27:21,949 INFO L480 AbstractCegarLoop]: Abstraction has has 572 places, 537 transitions, 16335 flow [2021-03-26 05:27:21,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:21,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:21,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:21,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable398 [2021-03-26 05:27:21,949 INFO L428 AbstractCegarLoop]: === Iteration 400 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:21,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:21,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1313769206, now seen corresponding path program 3 times [2021-03-26 05:27:21,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:21,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035979638] [2021-03-26 05:27:21,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:21,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:21,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:21,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:21,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:21,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:21,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:21,976 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:27:21,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:21,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:21,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:21,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:21,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:22,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:22,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:22,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:22,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:22,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:22,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:22,056 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:22,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:22,074 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:22,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:22,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035979638] [2021-03-26 05:27:22,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:22,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:27:22,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140008549] [2021-03-26 05:27:22,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:27:22,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:22,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:27:22,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:27:22,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 181 [2021-03-26 05:27:22,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 537 transitions, 16335 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:22,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:22,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 181 [2021-03-26 05:27:22,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:22,899 INFO L129 PetriNetUnfolder]: 554/1360 cut-off events. [2021-03-26 05:27:22,899 INFO L130 PetriNetUnfolder]: For 97190/97205 co-relation queries the response was YES. [2021-03-26 05:27:22,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16746 conditions, 1360 events. 554/1360 cut-off events. For 97190/97205 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9587 event pairs, 9 based on Foata normal form. 16/1167 useless extension candidates. Maximal degree in co-relation 16448. Up to 721 conditions per place. [2021-03-26 05:27:22,922 INFO L132 encePairwiseOnDemand]: 165/181 looper letters, 506 selfloop transitions, 43 changer transitions 0/567 dead transitions. [2021-03-26 05:27:22,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 587 places, 567 transitions, 18664 flow [2021-03-26 05:27:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:27:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:27:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 837 transitions. [2021-03-26 05:27:22,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28901933701657456 [2021-03-26 05:27:22,924 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 837 transitions. [2021-03-26 05:27:22,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 837 transitions. [2021-03-26 05:27:22,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:22,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 837 transitions. [2021-03-26 05:27:22,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.3125) internal successors, (837), 16 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:22,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 181.0) internal successors, (3077), 17 states have internal predecessors, (3077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:22,925 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 181.0) internal successors, (3077), 17 states have internal predecessors, (3077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:22,925 INFO L185 Difference]: Start difference. First operand has 572 places, 537 transitions, 16335 flow. Second operand 16 states and 837 transitions. [2021-03-26 05:27:22,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 587 places, 567 transitions, 18664 flow [2021-03-26 05:27:23,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 567 transitions, 18374 flow, removed 39 selfloop flow, removed 19 redundant places. [2021-03-26 05:27:23,571 INFO L241 Difference]: Finished difference. Result has 576 places, 556 transitions, 17120 flow [2021-03-26 05:27:23,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=16082, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=17120, PETRI_PLACES=576, PETRI_TRANSITIONS=556} [2021-03-26 05:27:23,571 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 523 predicate places. [2021-03-26 05:27:23,571 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:23,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 576 places, 556 transitions, 17120 flow [2021-03-26 05:27:23,571 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 576 places, 556 transitions, 17120 flow [2021-03-26 05:27:23,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 576 places, 556 transitions, 17120 flow [2021-03-26 05:27:23,814 INFO L129 PetriNetUnfolder]: 506/1290 cut-off events. [2021-03-26 05:27:23,814 INFO L130 PetriNetUnfolder]: For 96311/96318 co-relation queries the response was YES. [2021-03-26 05:27:23,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15434 conditions, 1290 events. 506/1290 cut-off events. For 96311/96318 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9298 event pairs, 8 based on Foata normal form. 1/1093 useless extension candidates. Maximal degree in co-relation 15130. Up to 240 conditions per place. [2021-03-26 05:27:23,854 INFO L142 LiptonReduction]: Number of co-enabled transitions 2270 [2021-03-26 05:27:24,012 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-26 05:27:24,012 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 05:27:24,012 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 441 [2021-03-26 05:27:24,013 INFO L480 AbstractCegarLoop]: Abstraction has has 576 places, 556 transitions, 17224 flow [2021-03-26 05:27:24,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:24,013 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:24,013 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:24,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable399 [2021-03-26 05:27:24,013 INFO L428 AbstractCegarLoop]: === Iteration 401 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:24,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:24,013 INFO L82 PathProgramCache]: Analyzing trace with hash -594476392, now seen corresponding path program 80 times [2021-03-26 05:27:24,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:24,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381824912] [2021-03-26 05:27:24,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:24,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:24,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:24,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:24,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:24,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:24,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:24,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:24,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:24,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:24,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:24,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:24,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:24,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:24,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:24,077 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:27:24,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:24,080 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:27:24,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:24,094 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:24,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:24,110 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:27:24,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:24,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381824912] [2021-03-26 05:27:24,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:24,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:24,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175928691] [2021-03-26 05:27:24,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:24,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:24,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:24,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:24,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 184 [2021-03-26 05:27:24,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 556 transitions, 17224 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:24,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:24,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 184 [2021-03-26 05:27:24,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:24,859 INFO L129 PetriNetUnfolder]: 554/1365 cut-off events. [2021-03-26 05:27:24,859 INFO L130 PetriNetUnfolder]: For 93416/93422 co-relation queries the response was YES. [2021-03-26 05:27:24,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16779 conditions, 1365 events. 554/1365 cut-off events. For 93416/93422 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9633 event pairs, 11 based on Foata normal form. 7/1162 useless extension candidates. Maximal degree in co-relation 16479. Up to 715 conditions per place. [2021-03-26 05:27:24,888 INFO L132 encePairwiseOnDemand]: 170/184 looper letters, 490 selfloop transitions, 49 changer transitions 4/561 dead transitions. [2021-03-26 05:27:24,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 561 transitions, 18369 flow [2021-03-26 05:27:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:27:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:27:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 595 transitions. [2021-03-26 05:27:24,890 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2939723320158103 [2021-03-26 05:27:24,890 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 595 transitions. [2021-03-26 05:27:24,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 595 transitions. [2021-03-26 05:27:24,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:24,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 595 transitions. [2021-03-26 05:27:24,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.09090909090909) internal successors, (595), 11 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:24,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 184.0) internal successors, (2208), 12 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:24,891 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 184.0) internal successors, (2208), 12 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:24,891 INFO L185 Difference]: Start difference. First operand has 576 places, 556 transitions, 17224 flow. Second operand 11 states and 595 transitions. [2021-03-26 05:27:24,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 561 transitions, 18369 flow [2021-03-26 05:27:25,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 561 transitions, 17626 flow, removed 358 selfloop flow, removed 3 redundant places. [2021-03-26 05:27:25,605 INFO L241 Difference]: Finished difference. Result has 585 places, 553 transitions, 16541 flow [2021-03-26 05:27:25,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=16481, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16541, PETRI_PLACES=585, PETRI_TRANSITIONS=553} [2021-03-26 05:27:25,605 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 532 predicate places. [2021-03-26 05:27:25,605 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:25,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 585 places, 553 transitions, 16541 flow [2021-03-26 05:27:25,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 585 places, 553 transitions, 16541 flow [2021-03-26 05:27:25,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 585 places, 553 transitions, 16541 flow [2021-03-26 05:27:25,845 INFO L129 PetriNetUnfolder]: 495/1265 cut-off events. [2021-03-26 05:27:25,845 INFO L130 PetriNetUnfolder]: For 88309/88386 co-relation queries the response was YES. [2021-03-26 05:27:25,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14722 conditions, 1265 events. 495/1265 cut-off events. For 88309/88386 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9108 event pairs, 9 based on Foata normal form. 12/1079 useless extension candidates. Maximal degree in co-relation 14414. Up to 226 conditions per place. [2021-03-26 05:27:25,887 INFO L142 LiptonReduction]: Number of co-enabled transitions 2270 [2021-03-26 05:27:25,923 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:25,923 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:25,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 318 [2021-03-26 05:27:25,923 INFO L480 AbstractCegarLoop]: Abstraction has has 585 places, 553 transitions, 16541 flow [2021-03-26 05:27:25,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:25,923 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:25,923 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:25,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable400 [2021-03-26 05:27:25,923 INFO L428 AbstractCegarLoop]: === Iteration 402 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:25,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:25,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1193046802, now seen corresponding path program 1 times [2021-03-26 05:27:25,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:25,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383490328] [2021-03-26 05:27:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:25,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:25,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:25,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:25,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:25,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:25,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:25,951 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:27:25,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:25,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:25,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:25,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:25,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:25,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:25,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:26,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:26,016 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:26,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:26,034 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:27:26,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:26,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383490328] [2021-03-26 05:27:26,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:26,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:26,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717760145] [2021-03-26 05:27:26,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:26,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:26,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:26,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:26,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 184 [2021-03-26 05:27:26,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 553 transitions, 16541 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:26,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:26,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 184 [2021-03-26 05:27:26,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:26,857 INFO L129 PetriNetUnfolder]: 546/1346 cut-off events. [2021-03-26 05:27:26,857 INFO L130 PetriNetUnfolder]: For 88671/88675 co-relation queries the response was YES. [2021-03-26 05:27:26,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16454 conditions, 1346 events. 546/1346 cut-off events. For 88671/88675 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 9423 event pairs, 26 based on Foata normal form. 5/1148 useless extension candidates. Maximal degree in co-relation 16142. Up to 719 conditions per place. [2021-03-26 05:27:26,881 INFO L132 encePairwiseOnDemand]: 165/184 looper letters, 503 selfloop transitions, 44 changer transitions 0/565 dead transitions. [2021-03-26 05:27:26,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 565 transitions, 18052 flow [2021-03-26 05:27:26,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:27:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:27:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 692 transitions. [2021-03-26 05:27:26,883 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28929765886287623 [2021-03-26 05:27:26,883 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 692 transitions. [2021-03-26 05:27:26,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 692 transitions. [2021-03-26 05:27:26,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:26,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 692 transitions. [2021-03-26 05:27:26,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.23076923076923) internal successors, (692), 13 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:26,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 184.0) internal successors, (2576), 14 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:26,884 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 184.0) internal successors, (2576), 14 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:26,884 INFO L185 Difference]: Start difference. First operand has 585 places, 553 transitions, 16541 flow. Second operand 13 states and 692 transitions. [2021-03-26 05:27:26,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 565 transitions, 18052 flow [2021-03-26 05:27:27,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 565 transitions, 17905 flow, removed 2 selfloop flow, removed 14 redundant places. [2021-03-26 05:27:27,625 INFO L241 Difference]: Finished difference. Result has 586 places, 555 transitions, 16668 flow [2021-03-26 05:27:27,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=16394, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16668, PETRI_PLACES=586, PETRI_TRANSITIONS=555} [2021-03-26 05:27:27,626 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 533 predicate places. [2021-03-26 05:27:27,626 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:27,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 555 transitions, 16668 flow [2021-03-26 05:27:27,626 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 555 transitions, 16668 flow [2021-03-26 05:27:27,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 555 transitions, 16668 flow [2021-03-26 05:27:27,853 INFO L129 PetriNetUnfolder]: 499/1282 cut-off events. [2021-03-26 05:27:27,853 INFO L130 PetriNetUnfolder]: For 88951/88980 co-relation queries the response was YES. [2021-03-26 05:27:27,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14894 conditions, 1282 events. 499/1282 cut-off events. For 88951/88980 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9327 event pairs, 30 based on Foata normal form. 14/1094 useless extension candidates. Maximal degree in co-relation 14586. Up to 228 conditions per place. [2021-03-26 05:27:27,889 INFO L142 LiptonReduction]: Number of co-enabled transitions 2290 [2021-03-26 05:27:27,996 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:27:27,996 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:27:27,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 370 [2021-03-26 05:27:27,997 INFO L480 AbstractCegarLoop]: Abstraction has has 585 places, 554 transitions, 16660 flow [2021-03-26 05:27:27,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:27,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:27,997 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:27,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable401 [2021-03-26 05:27:27,997 INFO L428 AbstractCegarLoop]: === Iteration 403 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:27,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:27,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1682012402, now seen corresponding path program 1 times [2021-03-26 05:27:27,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:27,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115983437] [2021-03-26 05:27:27,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:28,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:28,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:28,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:28,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:28,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:28,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:28,023 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 05:27:28,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:28,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:28,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:28,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:28,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:28,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:28,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:28,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:28,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:28,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:28,101 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:28,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:28,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115983437] [2021-03-26 05:27:28,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:28,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:28,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449590396] [2021-03-26 05:27:28,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:28,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:28,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:28,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:28,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 185 [2021-03-26 05:27:28,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 554 transitions, 16660 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:28,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:28,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 185 [2021-03-26 05:27:28,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:28,821 INFO L129 PetriNetUnfolder]: 545/1342 cut-off events. [2021-03-26 05:27:28,821 INFO L130 PetriNetUnfolder]: For 89992/89996 co-relation queries the response was YES. [2021-03-26 05:27:28,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16447 conditions, 1342 events. 545/1342 cut-off events. For 89992/89996 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 9408 event pairs, 25 based on Foata normal form. 5/1145 useless extension candidates. Maximal degree in co-relation 16167. Up to 721 conditions per place. [2021-03-26 05:27:28,851 INFO L132 encePairwiseOnDemand]: 168/185 looper letters, 505 selfloop transitions, 41 changer transitions 0/564 dead transitions. [2021-03-26 05:27:28,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 564 transitions, 18007 flow [2021-03-26 05:27:28,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:27:28,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:27:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 692 transitions. [2021-03-26 05:27:28,853 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28773388773388775 [2021-03-26 05:27:28,853 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 692 transitions. [2021-03-26 05:27:28,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 692 transitions. [2021-03-26 05:27:28,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:28,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 692 transitions. [2021-03-26 05:27:28,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.23076923076923) internal successors, (692), 13 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:28,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 185.0) internal successors, (2590), 14 states have internal predecessors, (2590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:28,854 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 185.0) internal successors, (2590), 14 states have internal predecessors, (2590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:28,854 INFO L185 Difference]: Start difference. First operand has 585 places, 554 transitions, 16660 flow. Second operand 13 states and 692 transitions. [2021-03-26 05:27:28,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 564 transitions, 18007 flow [2021-03-26 05:27:29,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 564 transitions, 17825 flow, removed 54 selfloop flow, removed 10 redundant places. [2021-03-26 05:27:29,609 INFO L241 Difference]: Finished difference. Result has 588 places, 554 transitions, 16574 flow [2021-03-26 05:27:29,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=16480, PETRI_DIFFERENCE_MINUEND_PLACES=575, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16574, PETRI_PLACES=588, PETRI_TRANSITIONS=554} [2021-03-26 05:27:29,609 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 535 predicate places. [2021-03-26 05:27:29,609 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:29,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 588 places, 554 transitions, 16574 flow [2021-03-26 05:27:29,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 588 places, 554 transitions, 16574 flow [2021-03-26 05:27:29,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 588 places, 554 transitions, 16574 flow [2021-03-26 05:27:29,836 INFO L129 PetriNetUnfolder]: 507/1289 cut-off events. [2021-03-26 05:27:29,837 INFO L130 PetriNetUnfolder]: For 90607/90660 co-relation queries the response was YES. [2021-03-26 05:27:29,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15091 conditions, 1289 events. 507/1289 cut-off events. For 90607/90660 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9361 event pairs, 20 based on Foata normal form. 12/1097 useless extension candidates. Maximal degree in co-relation 14813. Up to 233 conditions per place. [2021-03-26 05:27:29,874 INFO L142 LiptonReduction]: Number of co-enabled transitions 2280 [2021-03-26 05:27:29,909 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:29,909 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:29,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 300 [2021-03-26 05:27:29,909 INFO L480 AbstractCegarLoop]: Abstraction has has 588 places, 554 transitions, 16574 flow [2021-03-26 05:27:29,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:29,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:29,910 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:29,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable402 [2021-03-26 05:27:29,910 INFO L428 AbstractCegarLoop]: === Iteration 404 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:29,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:29,910 INFO L82 PathProgramCache]: Analyzing trace with hash -598773914, now seen corresponding path program 4 times [2021-03-26 05:27:29,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:29,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73638530] [2021-03-26 05:27:29,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:29,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:29,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:29,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:29,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:29,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:29,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:29,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:29,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:29,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:29,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:29,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:29,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:29,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:29,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:29,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:29,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:29,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:29,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:30,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:30,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:30,032 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:27:30,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:30,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:30,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73638530] [2021-03-26 05:27:30,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:30,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:27:30,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921075990] [2021-03-26 05:27:30,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:27:30,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:30,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:27:30,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:27:30,035 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 185 [2021-03-26 05:27:30,035 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 554 transitions, 16574 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:30,035 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:30,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 185 [2021-03-26 05:27:30,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:30,927 INFO L129 PetriNetUnfolder]: 568/1409 cut-off events. [2021-03-26 05:27:30,927 INFO L130 PetriNetUnfolder]: For 94454/94469 co-relation queries the response was YES. [2021-03-26 05:27:30,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16879 conditions, 1409 events. 568/1409 cut-off events. For 94454/94469 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10109 event pairs, 15 based on Foata normal form. 16/1204 useless extension candidates. Maximal degree in co-relation 16598. Up to 686 conditions per place. [2021-03-26 05:27:30,953 INFO L132 encePairwiseOnDemand]: 167/185 looper letters, 485 selfloop transitions, 78 changer transitions 0/581 dead transitions. [2021-03-26 05:27:30,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 581 transitions, 18538 flow [2021-03-26 05:27:30,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:27:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:27:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 799 transitions. [2021-03-26 05:27:30,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28792792792792793 [2021-03-26 05:27:30,954 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 799 transitions. [2021-03-26 05:27:30,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 799 transitions. [2021-03-26 05:27:30,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:30,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 799 transitions. [2021-03-26 05:27:30,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.266666666666666) internal successors, (799), 15 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:30,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 185.0) internal successors, (2960), 16 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:30,957 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 185.0) internal successors, (2960), 16 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:30,957 INFO L185 Difference]: Start difference. First operand has 588 places, 554 transitions, 16574 flow. Second operand 15 states and 799 transitions. [2021-03-26 05:27:30,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 581 transitions, 18538 flow [2021-03-26 05:27:31,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 581 transitions, 18448 flow, removed 0 selfloop flow, removed 13 redundant places. [2021-03-26 05:27:31,701 INFO L241 Difference]: Finished difference. Result has 592 places, 569 transitions, 17349 flow [2021-03-26 05:27:31,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=16486, PETRI_DIFFERENCE_MINUEND_PLACES=575, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17349, PETRI_PLACES=592, PETRI_TRANSITIONS=569} [2021-03-26 05:27:31,701 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 539 predicate places. [2021-03-26 05:27:31,701 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:31,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 592 places, 569 transitions, 17349 flow [2021-03-26 05:27:31,702 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 592 places, 569 transitions, 17349 flow [2021-03-26 05:27:31,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 592 places, 569 transitions, 17349 flow [2021-03-26 05:27:31,965 INFO L129 PetriNetUnfolder]: 520/1336 cut-off events. [2021-03-26 05:27:31,965 INFO L130 PetriNetUnfolder]: For 97137/97141 co-relation queries the response was YES. [2021-03-26 05:27:31,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15672 conditions, 1336 events. 520/1336 cut-off events. For 97137/97141 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9809 event pairs, 11 based on Foata normal form. 2/1128 useless extension candidates. Maximal degree in co-relation 15390. Up to 245 conditions per place. [2021-03-26 05:27:32,009 INFO L142 LiptonReduction]: Number of co-enabled transitions 2434 [2021-03-26 05:27:32,142 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 05:27:32,142 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 05:27:32,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 441 [2021-03-26 05:27:32,142 INFO L480 AbstractCegarLoop]: Abstraction has has 591 places, 568 transitions, 17352 flow [2021-03-26 05:27:32,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:32,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:32,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:32,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable403 [2021-03-26 05:27:32,143 INFO L428 AbstractCegarLoop]: === Iteration 405 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:32,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:32,143 INFO L82 PathProgramCache]: Analyzing trace with hash -487219480, now seen corresponding path program 81 times [2021-03-26 05:27:32,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:32,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918060955] [2021-03-26 05:27:32,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:32,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:32,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:32,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:32,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:32,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:32,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:32,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:32,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:32,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:32,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:32,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:32,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:32,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:32,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:32,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:32,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:32,232 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:27:32,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:32,248 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:32,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:32,264 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:27:32,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:32,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918060955] [2021-03-26 05:27:32,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:32,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:32,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429183429] [2021-03-26 05:27:32,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:32,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:32,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:32,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:32,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 187 [2021-03-26 05:27:32,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 568 transitions, 17352 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:32,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:32,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 187 [2021-03-26 05:27:32,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:33,159 INFO L129 PetriNetUnfolder]: 572/1424 cut-off events. [2021-03-26 05:27:33,159 INFO L130 PetriNetUnfolder]: For 95498/95513 co-relation queries the response was YES. [2021-03-26 05:27:33,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17100 conditions, 1424 events. 572/1424 cut-off events. For 95498/95513 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10266 event pairs, 15 based on Foata normal form. 16/1214 useless extension candidates. Maximal degree in co-relation 16815. Up to 715 conditions per place. [2021-03-26 05:27:33,191 INFO L132 encePairwiseOnDemand]: 173/187 looper letters, 480 selfloop transitions, 69 changer transitions 8/575 dead transitions. [2021-03-26 05:27:33,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 604 places, 575 transitions, 18545 flow [2021-03-26 05:27:33,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:27:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:27:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 755 transitions. [2021-03-26 05:27:33,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28838808250572956 [2021-03-26 05:27:33,192 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 755 transitions. [2021-03-26 05:27:33,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 755 transitions. [2021-03-26 05:27:33,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:33,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 755 transitions. [2021-03-26 05:27:33,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.92857142857143) internal successors, (755), 14 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:33,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 187.0) internal successors, (2805), 15 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:33,194 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 187.0) internal successors, (2805), 15 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:33,194 INFO L185 Difference]: Start difference. First operand has 591 places, 568 transitions, 17352 flow. Second operand 14 states and 755 transitions. [2021-03-26 05:27:33,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 604 places, 575 transitions, 18545 flow [2021-03-26 05:27:33,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 599 places, 575 transitions, 17973 flow, removed 250 selfloop flow, removed 5 redundant places. [2021-03-26 05:27:33,985 INFO L241 Difference]: Finished difference. Result has 601 places, 561 transitions, 16695 flow [2021-03-26 05:27:33,985 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=16780, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16695, PETRI_PLACES=601, PETRI_TRANSITIONS=561} [2021-03-26 05:27:33,985 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 548 predicate places. [2021-03-26 05:27:33,985 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:33,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 601 places, 561 transitions, 16695 flow [2021-03-26 05:27:33,985 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 601 places, 561 transitions, 16695 flow [2021-03-26 05:27:33,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 601 places, 561 transitions, 16695 flow [2021-03-26 05:27:34,239 INFO L129 PetriNetUnfolder]: 505/1301 cut-off events. [2021-03-26 05:27:34,239 INFO L130 PetriNetUnfolder]: For 95354/95409 co-relation queries the response was YES. [2021-03-26 05:27:34,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14965 conditions, 1301 events. 505/1301 cut-off events. For 95354/95409 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9571 event pairs, 18 based on Foata normal form. 20/1112 useless extension candidates. Maximal degree in co-relation 14679. Up to 225 conditions per place. [2021-03-26 05:27:34,283 INFO L142 LiptonReduction]: Number of co-enabled transitions 2414 [2021-03-26 05:27:34,320 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:34,320 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:34,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 335 [2021-03-26 05:27:34,320 INFO L480 AbstractCegarLoop]: Abstraction has has 601 places, 561 transitions, 16695 flow [2021-03-26 05:27:34,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:34,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:34,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:34,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable404 [2021-03-26 05:27:34,320 INFO L428 AbstractCegarLoop]: === Iteration 406 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:34,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:34,321 INFO L82 PathProgramCache]: Analyzing trace with hash 668789412, now seen corresponding path program 1 times [2021-03-26 05:27:34,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:34,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184411483] [2021-03-26 05:27:34,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:34,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:34,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:34,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:34,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:34,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:34,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:34,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:34,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:34,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:34,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:34,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:34,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:34,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:34,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:34,398 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:34,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:34,414 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:34,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:34,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184411483] [2021-03-26 05:27:34,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:34,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:34,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025775327] [2021-03-26 05:27:34,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:34,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:34,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:34,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:34,417 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 187 [2021-03-26 05:27:34,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 561 transitions, 16695 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:34,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:34,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 187 [2021-03-26 05:27:34,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:35,168 INFO L129 PetriNetUnfolder]: 568/1421 cut-off events. [2021-03-26 05:27:35,168 INFO L130 PetriNetUnfolder]: For 92572/92576 co-relation queries the response was YES. [2021-03-26 05:27:35,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16859 conditions, 1421 events. 568/1421 cut-off events. For 92572/92576 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 10213 event pairs, 25 based on Foata normal form. 5/1204 useless extension candidates. Maximal degree in co-relation 16539. Up to 731 conditions per place. [2021-03-26 05:27:35,198 INFO L132 encePairwiseOnDemand]: 170/187 looper letters, 511 selfloop transitions, 53 changer transitions 0/582 dead transitions. [2021-03-26 05:27:35,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 582 transitions, 18175 flow [2021-03-26 05:27:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:35,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 05:27:35,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2878787878787879 [2021-03-26 05:27:35,199 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 05:27:35,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 05:27:35,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:35,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 05:27:35,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:35,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 187.0) internal successors, (2431), 13 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:35,201 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 187.0) internal successors, (2431), 13 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:35,201 INFO L185 Difference]: Start difference. First operand has 601 places, 561 transitions, 16695 flow. Second operand 12 states and 646 transitions. [2021-03-26 05:27:35,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 582 transitions, 18175 flow [2021-03-26 05:27:36,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 582 transitions, 17967 flow, removed 5 selfloop flow, removed 17 redundant places. [2021-03-26 05:27:36,072 INFO L241 Difference]: Finished difference. Result has 602 places, 572 transitions, 16882 flow [2021-03-26 05:27:36,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=16489, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16882, PETRI_PLACES=602, PETRI_TRANSITIONS=572} [2021-03-26 05:27:36,072 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 549 predicate places. [2021-03-26 05:27:36,072 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:36,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 602 places, 572 transitions, 16882 flow [2021-03-26 05:27:36,072 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 602 places, 572 transitions, 16882 flow [2021-03-26 05:27:36,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 602 places, 572 transitions, 16882 flow [2021-03-26 05:27:36,335 INFO L129 PetriNetUnfolder]: 516/1339 cut-off events. [2021-03-26 05:27:36,335 INFO L130 PetriNetUnfolder]: For 94195/94200 co-relation queries the response was YES. [2021-03-26 05:27:36,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15336 conditions, 1339 events. 516/1339 cut-off events. For 94195/94200 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9888 event pairs, 10 based on Foata normal form. 3/1132 useless extension candidates. Maximal degree in co-relation 15035. Up to 233 conditions per place. [2021-03-26 05:27:36,380 INFO L142 LiptonReduction]: Number of co-enabled transitions 2530 [2021-03-26 05:27:36,492 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:27:36,493 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:27:36,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 421 [2021-03-26 05:27:36,493 INFO L480 AbstractCegarLoop]: Abstraction has has 602 places, 572 transitions, 16970 flow [2021-03-26 05:27:36,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:36,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:36,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:36,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable405 [2021-03-26 05:27:36,493 INFO L428 AbstractCegarLoop]: === Iteration 407 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:36,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:36,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1324151864, now seen corresponding path program 2 times [2021-03-26 05:27:36,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:36,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543445329] [2021-03-26 05:27:36,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:36,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:36,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:36,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:36,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:36,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:36,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:36,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:36,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:36,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:36,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:36,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:36,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:36,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:36,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:36,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:36,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:36,572 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:36,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:36,589 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:36,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:36,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543445329] [2021-03-26 05:27:36,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:36,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:36,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512724733] [2021-03-26 05:27:36,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:36,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:36,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:36,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:36,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 188 [2021-03-26 05:27:36,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 602 places, 572 transitions, 16970 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:36,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:36,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 188 [2021-03-26 05:27:36,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:37,340 INFO L129 PetriNetUnfolder]: 572/1430 cut-off events. [2021-03-26 05:27:37,340 INFO L130 PetriNetUnfolder]: For 93622/93628 co-relation queries the response was YES. [2021-03-26 05:27:37,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16909 conditions, 1430 events. 572/1430 cut-off events. For 93622/93628 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10353 event pairs, 18 based on Foata normal form. 7/1211 useless extension candidates. Maximal degree in co-relation 16615. Up to 733 conditions per place. [2021-03-26 05:27:37,372 INFO L132 encePairwiseOnDemand]: 171/188 looper letters, 511 selfloop transitions, 52 changer transitions 0/581 dead transitions. [2021-03-26 05:27:37,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 581 transitions, 18165 flow [2021-03-26 05:27:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:27:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:27:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 548 transitions. [2021-03-26 05:27:37,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29148936170212764 [2021-03-26 05:27:37,374 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 548 transitions. [2021-03-26 05:27:37,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 548 transitions. [2021-03-26 05:27:37,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:37,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 548 transitions. [2021-03-26 05:27:37,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.8) internal successors, (548), 10 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:37,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:37,375 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:37,375 INFO L185 Difference]: Start difference. First operand has 602 places, 572 transitions, 16970 flow. Second operand 10 states and 548 transitions. [2021-03-26 05:27:37,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 581 transitions, 18165 flow [2021-03-26 05:27:38,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 581 transitions, 17922 flow, removed 106 selfloop flow, removed 3 redundant places. [2021-03-26 05:27:38,210 INFO L241 Difference]: Finished difference. Result has 609 places, 572 transitions, 16843 flow [2021-03-26 05:27:38,210 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=16727, PETRI_DIFFERENCE_MINUEND_PLACES=599, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=572, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=16843, PETRI_PLACES=609, PETRI_TRANSITIONS=572} [2021-03-26 05:27:38,211 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 556 predicate places. [2021-03-26 05:27:38,211 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:38,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 609 places, 572 transitions, 16843 flow [2021-03-26 05:27:38,211 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 609 places, 572 transitions, 16843 flow [2021-03-26 05:27:38,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 609 places, 572 transitions, 16843 flow [2021-03-26 05:27:38,471 INFO L129 PetriNetUnfolder]: 506/1315 cut-off events. [2021-03-26 05:27:38,471 INFO L130 PetriNetUnfolder]: For 91885/91939 co-relation queries the response was YES. [2021-03-26 05:27:38,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14969 conditions, 1315 events. 506/1315 cut-off events. For 91885/91939 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9735 event pairs, 10 based on Foata normal form. 19/1125 useless extension candidates. Maximal degree in co-relation 14693. Up to 223 conditions per place. [2021-03-26 05:27:38,516 INFO L142 LiptonReduction]: Number of co-enabled transitions 2530 [2021-03-26 05:27:38,555 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:38,555 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:38,555 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 344 [2021-03-26 05:27:38,555 INFO L480 AbstractCegarLoop]: Abstraction has has 609 places, 572 transitions, 16843 flow [2021-03-26 05:27:38,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:38,555 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:38,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:38,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable406 [2021-03-26 05:27:38,556 INFO L428 AbstractCegarLoop]: === Iteration 408 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:38,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:38,556 INFO L82 PathProgramCache]: Analyzing trace with hash -329184089, now seen corresponding path program 1 times [2021-03-26 05:27:38,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:38,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508359838] [2021-03-26 05:27:38,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:38,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:38,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:38,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:38,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:38,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:38,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:38,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:38,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:38,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:38,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:38,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:38,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:38,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:38,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:38,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:38,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:38,644 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:27:38,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:38,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:38,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:38,676 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:38,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:38,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508359838] [2021-03-26 05:27:38,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:38,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 05:27:38,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998131463] [2021-03-26 05:27:38,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 05:27:38,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:38,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 05:27:38,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 05:27:38,680 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 188 [2021-03-26 05:27:38,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 572 transitions, 16843 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:38,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:38,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 188 [2021-03-26 05:27:38,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:39,640 INFO L129 PetriNetUnfolder]: 605/1503 cut-off events. [2021-03-26 05:27:39,640 INFO L130 PetriNetUnfolder]: For 109155/109159 co-relation queries the response was YES. [2021-03-26 05:27:39,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18387 conditions, 1503 events. 605/1503 cut-off events. For 109155/109159 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10953 event pairs, 13 based on Foata normal form. 5/1271 useless extension candidates. Maximal degree in co-relation 18107. Up to 755 conditions per place. [2021-03-26 05:27:39,673 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 508 selfloop transitions, 89 changer transitions 1/616 dead transitions. [2021-03-26 05:27:39,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 616 transitions, 20443 flow [2021-03-26 05:27:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:27:39,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:27:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 858 transitions. [2021-03-26 05:27:39,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28523936170212766 [2021-03-26 05:27:39,675 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 858 transitions. [2021-03-26 05:27:39,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 858 transitions. [2021-03-26 05:27:39,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:39,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 858 transitions. [2021-03-26 05:27:39,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.625) internal successors, (858), 16 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:39,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 188.0) internal successors, (3196), 17 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:39,677 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 188.0) internal successors, (3196), 17 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:39,677 INFO L185 Difference]: Start difference. First operand has 609 places, 572 transitions, 16843 flow. Second operand 16 states and 858 transitions. [2021-03-26 05:27:39,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 616 transitions, 20443 flow [2021-03-26 05:27:40,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 616 transitions, 20333 flow, removed 0 selfloop flow, removed 9 redundant places. [2021-03-26 05:27:40,661 INFO L241 Difference]: Finished difference. Result has 620 places, 604 transitions, 18982 flow [2021-03-26 05:27:40,661 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=16739, PETRI_DIFFERENCE_MINUEND_PLACES=600, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=572, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=18982, PETRI_PLACES=620, PETRI_TRANSITIONS=604} [2021-03-26 05:27:40,661 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 567 predicate places. [2021-03-26 05:27:40,661 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:40,661 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 620 places, 604 transitions, 18982 flow [2021-03-26 05:27:40,661 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 620 places, 604 transitions, 18982 flow [2021-03-26 05:27:40,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 619 places, 604 transitions, 18982 flow [2021-03-26 05:27:40,951 INFO L129 PetriNetUnfolder]: 556/1422 cut-off events. [2021-03-26 05:27:40,952 INFO L130 PetriNetUnfolder]: For 114918/114923 co-relation queries the response was YES. [2021-03-26 05:27:40,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17253 conditions, 1422 events. 556/1422 cut-off events. For 114918/114923 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10558 event pairs, 10 based on Foata normal form. 2/1199 useless extension candidates. Maximal degree in co-relation 16974. Up to 262 conditions per place. [2021-03-26 05:27:41,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 2626 [2021-03-26 05:27:41,127 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 05:27:41,127 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:27:41,128 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 467 [2021-03-26 05:27:41,128 INFO L480 AbstractCegarLoop]: Abstraction has has 619 places, 604 transitions, 19071 flow [2021-03-26 05:27:41,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:41,128 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:41,128 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:41,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407 [2021-03-26 05:27:41,128 INFO L428 AbstractCegarLoop]: === Iteration 409 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:41,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:41,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1730021498, now seen corresponding path program 82 times [2021-03-26 05:27:41,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:41,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141260490] [2021-03-26 05:27:41,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:41,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:41,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:41,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:41,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:41,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:41,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:41,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:41,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:41,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:41,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:41,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:41,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:41,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:41,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:41,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:41,220 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:41,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:41,236 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:41,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:41,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141260490] [2021-03-26 05:27:41,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:41,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:27:41,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555944317] [2021-03-26 05:27:41,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:27:41,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:41,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:27:41,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:27:41,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 189 [2021-03-26 05:27:41,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 619 places, 604 transitions, 19071 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:41,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:41,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 189 [2021-03-26 05:27:41,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:42,204 INFO L129 PetriNetUnfolder]: 607/1516 cut-off events. [2021-03-26 05:27:42,204 INFO L130 PetriNetUnfolder]: For 113697/113703 co-relation queries the response was YES. [2021-03-26 05:27:42,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18682 conditions, 1516 events. 607/1516 cut-off events. For 113697/113703 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 11113 event pairs, 15 based on Foata normal form. 7/1282 useless extension candidates. Maximal degree in co-relation 18399. Up to 759 conditions per place. [2021-03-26 05:27:42,238 INFO L132 encePairwiseOnDemand]: 175/189 looper letters, 527 selfloop transitions, 54 changer transitions 14/613 dead transitions. [2021-03-26 05:27:42,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 613 transitions, 20395 flow [2021-03-26 05:27:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:27:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:27:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2021-03-26 05:27:42,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28647014361300077 [2021-03-26 05:27:42,240 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 758 transitions. [2021-03-26 05:27:42,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 758 transitions. [2021-03-26 05:27:42,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:42,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 758 transitions. [2021-03-26 05:27:42,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.142857142857146) internal successors, (758), 14 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:42,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:42,241 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:42,241 INFO L185 Difference]: Start difference. First operand has 619 places, 604 transitions, 19071 flow. Second operand 14 states and 758 transitions. [2021-03-26 05:27:42,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 613 transitions, 20395 flow [2021-03-26 05:27:43,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 625 places, 613 transitions, 19231 flow, removed 565 selfloop flow, removed 7 redundant places. [2021-03-26 05:27:43,210 INFO L241 Difference]: Finished difference. Result has 627 places, 592 transitions, 17689 flow [2021-03-26 05:27:43,210 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=17907, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17689, PETRI_PLACES=627, PETRI_TRANSITIONS=592} [2021-03-26 05:27:43,210 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 574 predicate places. [2021-03-26 05:27:43,210 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:43,210 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 627 places, 592 transitions, 17689 flow [2021-03-26 05:27:43,210 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 627 places, 592 transitions, 17689 flow [2021-03-26 05:27:43,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 592 transitions, 17689 flow [2021-03-26 05:27:43,528 INFO L129 PetriNetUnfolder]: 532/1357 cut-off events. [2021-03-26 05:27:43,528 INFO L130 PetriNetUnfolder]: For 100221/100293 co-relation queries the response was YES. [2021-03-26 05:27:43,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15952 conditions, 1357 events. 532/1357 cut-off events. For 100221/100293 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9990 event pairs, 6 based on Foata normal form. 18/1162 useless extension candidates. Maximal degree in co-relation 15672. Up to 248 conditions per place. [2021-03-26 05:27:43,566 INFO L142 LiptonReduction]: Number of co-enabled transitions 2578 [2021-03-26 05:27:43,604 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:43,605 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:43,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 395 [2021-03-26 05:27:43,605 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 592 transitions, 17689 flow [2021-03-26 05:27:43,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:43,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:43,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:43,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable408 [2021-03-26 05:27:43,605 INFO L428 AbstractCegarLoop]: === Iteration 410 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:43,605 INFO L82 PathProgramCache]: Analyzing trace with hash -976445638, now seen corresponding path program 1 times [2021-03-26 05:27:43,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:43,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368167213] [2021-03-26 05:27:43,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:43,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:43,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:43,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:43,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:43,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:43,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:43,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:43,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:43,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:43,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:43,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:43,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:43,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:43,677 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:43,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:43,691 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:43,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:43,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368167213] [2021-03-26 05:27:43,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:43,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:43,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719404550] [2021-03-26 05:27:43,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:43,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:43,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:43,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:43,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 189 [2021-03-26 05:27:43,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 592 transitions, 17689 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:43,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:43,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 189 [2021-03-26 05:27:43,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:44,460 INFO L129 PetriNetUnfolder]: 604/1485 cut-off events. [2021-03-26 05:27:44,461 INFO L130 PetriNetUnfolder]: For 105530/105532 co-relation queries the response was YES. [2021-03-26 05:27:44,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18600 conditions, 1485 events. 604/1485 cut-off events. For 105530/105532 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10688 event pairs, 26 based on Foata normal form. 3/1259 useless extension candidates. Maximal degree in co-relation 18316. Up to 779 conditions per place. [2021-03-26 05:27:44,495 INFO L132 encePairwiseOnDemand]: 172/189 looper letters, 539 selfloop transitions, 60 changer transitions 1/618 dead transitions. [2021-03-26 05:27:44,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 633 places, 618 transitions, 20312 flow [2021-03-26 05:27:44,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 656 transitions. [2021-03-26 05:27:44,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2892416225749559 [2021-03-26 05:27:44,496 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 656 transitions. [2021-03-26 05:27:44,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 656 transitions. [2021-03-26 05:27:44,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:44,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 656 transitions. [2021-03-26 05:27:44,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.666666666666664) internal successors, (656), 12 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:44,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 189.0) internal successors, (2457), 13 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:44,498 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 189.0) internal successors, (2457), 13 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:44,498 INFO L185 Difference]: Start difference. First operand has 622 places, 592 transitions, 17689 flow. Second operand 12 states and 656 transitions. [2021-03-26 05:27:44,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 633 places, 618 transitions, 20312 flow [2021-03-26 05:27:45,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 618 transitions, 19954 flow, removed 33 selfloop flow, removed 26 redundant places. [2021-03-26 05:27:45,370 INFO L241 Difference]: Finished difference. Result has 610 places, 606 transitions, 18466 flow [2021-03-26 05:27:45,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=17339, PETRI_DIFFERENCE_MINUEND_PLACES=596, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18466, PETRI_PLACES=610, PETRI_TRANSITIONS=606} [2021-03-26 05:27:45,370 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 557 predicate places. [2021-03-26 05:27:45,370 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:45,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 610 places, 606 transitions, 18466 flow [2021-03-26 05:27:45,371 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 610 places, 606 transitions, 18466 flow [2021-03-26 05:27:45,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 606 transitions, 18466 flow [2021-03-26 05:27:45,650 INFO L129 PetriNetUnfolder]: 547/1389 cut-off events. [2021-03-26 05:27:45,650 INFO L130 PetriNetUnfolder]: For 113557/113615 co-relation queries the response was YES. [2021-03-26 05:27:45,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16765 conditions, 1389 events. 547/1389 cut-off events. For 113557/113615 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 10223 event pairs, 9 based on Foata normal form. 20/1190 useless extension candidates. Maximal degree in co-relation 16491. Up to 259 conditions per place. [2021-03-26 05:27:45,698 INFO L142 LiptonReduction]: Number of co-enabled transitions 2608 [2021-03-26 05:27:45,822 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 05:27:45,822 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:27:45,822 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-03-26 05:27:45,822 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 606 transitions, 18479 flow [2021-03-26 05:27:45,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:45,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:45,823 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:45,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable409 [2021-03-26 05:27:45,823 INFO L428 AbstractCegarLoop]: === Iteration 411 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:45,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:45,823 INFO L82 PathProgramCache]: Analyzing trace with hash -2059968752, now seen corresponding path program 2 times [2021-03-26 05:27:45,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:45,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802333940] [2021-03-26 05:27:45,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:45,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:45,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:45,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:45,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:45,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:45,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:45,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:45,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:45,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:45,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:45,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:45,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:45,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:45,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:45,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:45,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:45,895 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:45,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:45,910 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:45,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:45,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802333940] [2021-03-26 05:27:45,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:45,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:45,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458952746] [2021-03-26 05:27:45,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:45,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:45,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:45,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:45,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 190 [2021-03-26 05:27:45,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 606 transitions, 18479 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:45,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:45,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 190 [2021-03-26 05:27:45,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:46,826 INFO L129 PetriNetUnfolder]: 610/1494 cut-off events. [2021-03-26 05:27:46,826 INFO L130 PetriNetUnfolder]: For 110229/110233 co-relation queries the response was YES. [2021-03-26 05:27:46,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18911 conditions, 1494 events. 610/1494 cut-off events. For 110229/110233 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10751 event pairs, 12 based on Foata normal form. 5/1272 useless extension candidates. Maximal degree in co-relation 18633. Up to 810 conditions per place. [2021-03-26 05:27:46,863 INFO L132 encePairwiseOnDemand]: 173/190 looper letters, 560 selfloop transitions, 43 changer transitions 5/626 dead transitions. [2021-03-26 05:27:46,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 626 transitions, 20670 flow [2021-03-26 05:27:46,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 651 transitions. [2021-03-26 05:27:46,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2855263157894737 [2021-03-26 05:27:46,865 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 651 transitions. [2021-03-26 05:27:46,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 651 transitions. [2021-03-26 05:27:46,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:46,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 651 transitions. [2021-03-26 05:27:46,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.25) internal successors, (651), 12 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:46,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 190.0) internal successors, (2470), 13 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:46,866 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 190.0) internal successors, (2470), 13 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:46,866 INFO L185 Difference]: Start difference. First operand has 610 places, 606 transitions, 18479 flow. Second operand 12 states and 651 transitions. [2021-03-26 05:27:46,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 626 transitions, 20670 flow [2021-03-26 05:27:47,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 616 places, 626 transitions, 20364 flow, removed 141 selfloop flow, removed 5 redundant places. [2021-03-26 05:27:47,901 INFO L241 Difference]: Finished difference. Result has 620 places, 616 transitions, 19137 flow [2021-03-26 05:27:47,902 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=18181, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19137, PETRI_PLACES=620, PETRI_TRANSITIONS=616} [2021-03-26 05:27:47,902 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 567 predicate places. [2021-03-26 05:27:47,902 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:47,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 620 places, 616 transitions, 19137 flow [2021-03-26 05:27:47,902 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 620 places, 616 transitions, 19137 flow [2021-03-26 05:27:47,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 617 places, 616 transitions, 19137 flow [2021-03-26 05:27:48,195 INFO L129 PetriNetUnfolder]: 554/1395 cut-off events. [2021-03-26 05:27:48,195 INFO L130 PetriNetUnfolder]: For 119354/119383 co-relation queries the response was YES. [2021-03-26 05:27:48,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17151 conditions, 1395 events. 554/1395 cut-off events. For 119354/119383 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 10195 event pairs, 13 based on Foata normal form. 16/1197 useless extension candidates. Maximal degree in co-relation 16872. Up to 268 conditions per place. [2021-03-26 05:27:48,244 INFO L142 LiptonReduction]: Number of co-enabled transitions 2564 [2021-03-26 05:27:48,288 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:48,288 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:48,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-03-26 05:27:48,289 INFO L480 AbstractCegarLoop]: Abstraction has has 617 places, 616 transitions, 19137 flow [2021-03-26 05:27:48,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:48,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:48,289 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:48,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable410 [2021-03-26 05:27:48,289 INFO L428 AbstractCegarLoop]: === Iteration 412 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:48,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:48,290 INFO L82 PathProgramCache]: Analyzing trace with hash -359019469, now seen corresponding path program 1 times [2021-03-26 05:27:48,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:48,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590924120] [2021-03-26 05:27:48,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:48,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:48,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:48,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:48,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:48,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:48,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:48,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:48,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:27:48,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:48,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:48,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:48,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:48,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:48,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:48,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:48,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:48,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:48,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:48,386 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:48,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:48,392 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:48,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:48,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590924120] [2021-03-26 05:27:48,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:48,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:27:48,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373608155] [2021-03-26 05:27:48,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:27:48,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:48,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:27:48,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:27:48,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 190 [2021-03-26 05:27:48,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 616 transitions, 19137 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:48,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:48,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 190 [2021-03-26 05:27:48,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:49,273 INFO L129 PetriNetUnfolder]: 628/1527 cut-off events. [2021-03-26 05:27:49,273 INFO L130 PetriNetUnfolder]: For 115007/115013 co-relation queries the response was YES. [2021-03-26 05:27:49,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19682 conditions, 1527 events. 628/1527 cut-off events. For 115007/115013 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 11008 event pairs, 17 based on Foata normal form. 7/1308 useless extension candidates. Maximal degree in co-relation 19399. Up to 825 conditions per place. [2021-03-26 05:27:49,310 INFO L132 encePairwiseOnDemand]: 175/190 looper letters, 577 selfloop transitions, 54 changer transitions 6/655 dead transitions. [2021-03-26 05:27:49,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 655 transitions, 22084 flow [2021-03-26 05:27:49,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:49,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 651 transitions. [2021-03-26 05:27:49,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2855263157894737 [2021-03-26 05:27:49,311 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 651 transitions. [2021-03-26 05:27:49,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 651 transitions. [2021-03-26 05:27:49,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:49,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 651 transitions. [2021-03-26 05:27:49,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.25) internal successors, (651), 12 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:49,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 190.0) internal successors, (2470), 13 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:49,313 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 190.0) internal successors, (2470), 13 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:49,313 INFO L185 Difference]: Start difference. First operand has 617 places, 616 transitions, 19137 flow. Second operand 12 states and 651 transitions. [2021-03-26 05:27:49,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 655 transitions, 22084 flow [2021-03-26 05:27:50,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 655 transitions, 21616 flow, removed 223 selfloop flow, removed 5 redundant places. [2021-03-26 05:27:50,296 INFO L241 Difference]: Finished difference. Result has 631 places, 642 transitions, 20004 flow [2021-03-26 05:27:50,296 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=18669, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20004, PETRI_PLACES=631, PETRI_TRANSITIONS=642} [2021-03-26 05:27:50,296 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 578 predicate places. [2021-03-26 05:27:50,296 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:50,296 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 631 places, 642 transitions, 20004 flow [2021-03-26 05:27:50,297 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 631 places, 642 transitions, 20004 flow [2021-03-26 05:27:50,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 629 places, 642 transitions, 20004 flow [2021-03-26 05:27:50,583 INFO L129 PetriNetUnfolder]: 577/1439 cut-off events. [2021-03-26 05:27:50,583 INFO L130 PetriNetUnfolder]: For 115642/115648 co-relation queries the response was YES. [2021-03-26 05:27:50,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17832 conditions, 1439 events. 577/1439 cut-off events. For 115642/115648 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10524 event pairs, 5 based on Foata normal form. 3/1227 useless extension candidates. Maximal degree in co-relation 17545. Up to 278 conditions per place. [2021-03-26 05:27:50,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 2580 [2021-03-26 05:27:50,767 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 05:27:50,767 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:27:50,767 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-26 05:27:50,767 INFO L480 AbstractCegarLoop]: Abstraction has has 629 places, 642 transitions, 20029 flow [2021-03-26 05:27:50,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:50,767 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:50,767 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:50,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable411 [2021-03-26 05:27:50,767 INFO L428 AbstractCegarLoop]: === Iteration 413 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:50,768 INFO L82 PathProgramCache]: Analyzing trace with hash 2145868387, now seen corresponding path program 2 times [2021-03-26 05:27:50,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:50,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031575049] [2021-03-26 05:27:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:50,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:50,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:50,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:50,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:50,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:50,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:50,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:27:50,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:50,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:50,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:50,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:50,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:50,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:27:50,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:50,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:50,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:50,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:50,848 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:50,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:50,853 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:50,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:50,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031575049] [2021-03-26 05:27:50,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:50,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:27:50,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866106333] [2021-03-26 05:27:50,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:27:50,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:50,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:27:50,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:27:50,857 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 191 [2021-03-26 05:27:50,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 642 transitions, 20029 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:50,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:50,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 191 [2021-03-26 05:27:50,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:51,778 INFO L129 PetriNetUnfolder]: 641/1559 cut-off events. [2021-03-26 05:27:51,778 INFO L130 PetriNetUnfolder]: For 124263/124278 co-relation queries the response was YES. [2021-03-26 05:27:51,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20323 conditions, 1559 events. 641/1559 cut-off events. For 124263/124278 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 11301 event pairs, 17 based on Foata normal form. 16/1345 useless extension candidates. Maximal degree in co-relation 20032. Up to 832 conditions per place. [2021-03-26 05:27:51,810 INFO L132 encePairwiseOnDemand]: 175/191 looper letters, 573 selfloop transitions, 83 changer transitions 0/674 dead transitions. [2021-03-26 05:27:51,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 674 transitions, 23256 flow [2021-03-26 05:27:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:27:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:27:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 660 transitions. [2021-03-26 05:27:51,811 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2879581151832461 [2021-03-26 05:27:51,811 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 660 transitions. [2021-03-26 05:27:51,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 660 transitions. [2021-03-26 05:27:51,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:51,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 660 transitions. [2021-03-26 05:27:51,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.0) internal successors, (660), 12 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:51,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 191.0) internal successors, (2483), 13 states have internal predecessors, (2483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:51,813 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 191.0) internal successors, (2483), 13 states have internal predecessors, (2483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:51,813 INFO L185 Difference]: Start difference. First operand has 629 places, 642 transitions, 20029 flow. Second operand 12 states and 660 transitions. [2021-03-26 05:27:51,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 640 places, 674 transitions, 23256 flow [2021-03-26 05:27:52,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 636 places, 674 transitions, 23074 flow, removed 68 selfloop flow, removed 4 redundant places. [2021-03-26 05:27:52,753 INFO L241 Difference]: Finished difference. Result has 639 places, 669 transitions, 21989 flow [2021-03-26 05:27:52,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=19887, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=642, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=570, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=21989, PETRI_PLACES=639, PETRI_TRANSITIONS=669} [2021-03-26 05:27:52,753 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 586 predicate places. [2021-03-26 05:27:52,753 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:52,753 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 639 places, 669 transitions, 21989 flow [2021-03-26 05:27:52,753 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 639 places, 669 transitions, 21989 flow [2021-03-26 05:27:52,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 639 places, 669 transitions, 21989 flow [2021-03-26 05:27:53,058 INFO L129 PetriNetUnfolder]: 585/1468 cut-off events. [2021-03-26 05:27:53,058 INFO L130 PetriNetUnfolder]: For 120667/120723 co-relation queries the response was YES. [2021-03-26 05:27:53,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18326 conditions, 1468 events. 585/1468 cut-off events. For 120667/120723 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10806 event pairs, 16 based on Foata normal form. 20/1265 useless extension candidates. Maximal degree in co-relation 18038. Up to 284 conditions per place. [2021-03-26 05:27:53,108 INFO L142 LiptonReduction]: Number of co-enabled transitions 2708 [2021-03-26 05:27:53,262 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:27:53,262 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:27:53,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 509 [2021-03-26 05:27:53,262 INFO L480 AbstractCegarLoop]: Abstraction has has 639 places, 669 transitions, 21994 flow [2021-03-26 05:27:53,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:53,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:53,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:53,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable412 [2021-03-26 05:27:53,262 INFO L428 AbstractCegarLoop]: === Iteration 414 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:53,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:53,263 INFO L82 PathProgramCache]: Analyzing trace with hash -349671964, now seen corresponding path program 1 times [2021-03-26 05:27:53,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:53,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635775510] [2021-03-26 05:27:53,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:53,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:53,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:53,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:53,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:53,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:53,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:53,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:53,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:27:53,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:53,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:53,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:53,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:53,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:53,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:53,317 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:27:53,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:27:53,320 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:53,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:53,334 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:53,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:53,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635775510] [2021-03-26 05:27:53,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:53,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:27:53,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892523787] [2021-03-26 05:27:53,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:27:53,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:53,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:27:53,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:27:53,337 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 192 [2021-03-26 05:27:53,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 669 transitions, 21994 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:53,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:53,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 192 [2021-03-26 05:27:53,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:54,201 INFO L129 PetriNetUnfolder]: 651/1584 cut-off events. [2021-03-26 05:27:54,201 INFO L130 PetriNetUnfolder]: For 126489/126493 co-relation queries the response was YES. [2021-03-26 05:27:54,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20861 conditions, 1584 events. 651/1584 cut-off events. For 126489/126493 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 11510 event pairs, 21 based on Foata normal form. 5/1355 useless extension candidates. Maximal degree in co-relation 20569. Up to 844 conditions per place. [2021-03-26 05:27:54,236 INFO L132 encePairwiseOnDemand]: 173/192 looper letters, 587 selfloop transitions, 84 changer transitions 0/689 dead transitions. [2021-03-26 05:27:54,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 689 transitions, 24259 flow [2021-03-26 05:27:54,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:27:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:27:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 462 transitions. [2021-03-26 05:27:54,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30078125 [2021-03-26 05:27:54,238 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 462 transitions. [2021-03-26 05:27:54,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 462 transitions. [2021-03-26 05:27:54,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:54,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 462 transitions. [2021-03-26 05:27:54,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 57.75) internal successors, (462), 8 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:54,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 192.0) internal successors, (1728), 9 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:54,239 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 192.0) internal successors, (1728), 9 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:54,239 INFO L185 Difference]: Start difference. First operand has 639 places, 669 transitions, 21994 flow. Second operand 8 states and 462 transitions. [2021-03-26 05:27:54,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 689 transitions, 24259 flow [2021-03-26 05:27:55,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 689 transitions, 23147 flow, removed 550 selfloop flow, removed 2 redundant places. [2021-03-26 05:27:55,325 INFO L241 Difference]: Finished difference. Result has 646 places, 680 transitions, 21970 flow [2021-03-26 05:27:55,325 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=20882, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=589, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21970, PETRI_PLACES=646, PETRI_TRANSITIONS=680} [2021-03-26 05:27:55,325 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 593 predicate places. [2021-03-26 05:27:55,325 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:55,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 680 transitions, 21970 flow [2021-03-26 05:27:55,326 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 680 transitions, 21970 flow [2021-03-26 05:27:55,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 646 places, 680 transitions, 21970 flow [2021-03-26 05:27:55,662 INFO L129 PetriNetUnfolder]: 593/1492 cut-off events. [2021-03-26 05:27:55,662 INFO L130 PetriNetUnfolder]: For 123383/123438 co-relation queries the response was YES. [2021-03-26 05:27:55,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18543 conditions, 1492 events. 593/1492 cut-off events. For 123383/123438 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 11126 event pairs, 27 based on Foata normal form. 19/1286 useless extension candidates. Maximal degree in co-relation 18252. Up to 284 conditions per place. [2021-03-26 05:27:55,777 INFO L142 LiptonReduction]: Number of co-enabled transitions 2754 [2021-03-26 05:27:55,826 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:55,827 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:55,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 502 [2021-03-26 05:27:55,827 INFO L480 AbstractCegarLoop]: Abstraction has has 646 places, 680 transitions, 21970 flow [2021-03-26 05:27:55,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:55,827 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:55,827 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:55,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable413 [2021-03-26 05:27:55,827 INFO L428 AbstractCegarLoop]: === Iteration 415 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:55,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:55,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1280032698, now seen corresponding path program 1 times [2021-03-26 05:27:55,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:55,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732240879] [2021-03-26 05:27:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:55,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:55,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:55,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:55,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:55,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:55,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:55,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:55,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:55,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:55,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:55,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:55,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:55,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:55,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:55,892 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:27:55,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:55,898 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:27:55,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:55,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:55,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732240879] [2021-03-26 05:27:55,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:55,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:27:55,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468106016] [2021-03-26 05:27:55,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:27:55,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:55,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:27:55,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:27:55,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 192 [2021-03-26 05:27:55,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 680 transitions, 21970 flow. Second operand has 8 states, 8 states have (on average 49.375) internal successors, (395), 8 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:55,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:55,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 192 [2021-03-26 05:27:55,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:56,708 INFO L129 PetriNetUnfolder]: 655/1598 cut-off events. [2021-03-26 05:27:56,708 INFO L130 PetriNetUnfolder]: For 131411/131417 co-relation queries the response was YES. [2021-03-26 05:27:56,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20672 conditions, 1598 events. 655/1598 cut-off events. For 131411/131417 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 11694 event pairs, 13 based on Foata normal form. 7/1366 useless extension candidates. Maximal degree in co-relation 20377. Up to 869 conditions per place. [2021-03-26 05:27:56,747 INFO L132 encePairwiseOnDemand]: 176/192 looper letters, 615 selfloop transitions, 55 changer transitions 1/689 dead transitions. [2021-03-26 05:27:56,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 689 transitions, 23666 flow [2021-03-26 05:27:56,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:27:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:27:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 453 transitions. [2021-03-26 05:27:56,748 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.294921875 [2021-03-26 05:27:56,748 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 453 transitions. [2021-03-26 05:27:56,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 453 transitions. [2021-03-26 05:27:56,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:56,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 453 transitions. [2021-03-26 05:27:56,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 56.625) internal successors, (453), 8 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:56,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 192.0) internal successors, (1728), 9 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:56,749 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 192.0) internal successors, (1728), 9 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:56,749 INFO L185 Difference]: Start difference. First operand has 646 places, 680 transitions, 21970 flow. Second operand 8 states and 453 transitions. [2021-03-26 05:27:56,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 689 transitions, 23666 flow [2021-03-26 05:27:57,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 689 transitions, 23327 flow, removed 156 selfloop flow, removed 4 redundant places. [2021-03-26 05:27:57,837 INFO L241 Difference]: Finished difference. Result has 651 places, 684 transitions, 22098 flow [2021-03-26 05:27:57,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=21631, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=680, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22098, PETRI_PLACES=651, PETRI_TRANSITIONS=684} [2021-03-26 05:27:57,837 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 598 predicate places. [2021-03-26 05:27:57,837 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:27:57,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 684 transitions, 22098 flow [2021-03-26 05:27:57,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 684 transitions, 22098 flow [2021-03-26 05:27:57,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 651 places, 684 transitions, 22098 flow [2021-03-26 05:27:58,186 INFO L129 PetriNetUnfolder]: 593/1494 cut-off events. [2021-03-26 05:27:58,186 INFO L130 PetriNetUnfolder]: For 121111/121176 co-relation queries the response was YES. [2021-03-26 05:27:58,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18564 conditions, 1494 events. 593/1494 cut-off events. For 121111/121176 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 11145 event pairs, 27 based on Foata normal form. 15/1283 useless extension candidates. Maximal degree in co-relation 18270. Up to 287 conditions per place. [2021-03-26 05:27:58,241 INFO L142 LiptonReduction]: Number of co-enabled transitions 2766 [2021-03-26 05:27:58,297 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:27:58,297 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:27:58,297 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-26 05:27:58,298 INFO L480 AbstractCegarLoop]: Abstraction has has 651 places, 684 transitions, 22098 flow [2021-03-26 05:27:58,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.375) internal successors, (395), 8 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:58,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:27:58,298 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:27:58,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable414 [2021-03-26 05:27:58,298 INFO L428 AbstractCegarLoop]: === Iteration 416 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:27:58,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:27:58,298 INFO L82 PathProgramCache]: Analyzing trace with hash -725116658, now seen corresponding path program 2 times [2021-03-26 05:27:58,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:27:58,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414318471] [2021-03-26 05:27:58,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:27:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:27:58,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:58,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:27:58,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:58,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:27:58,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:58,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:58,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:27:58,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:58,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:58,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:58,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:27:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:27:58,363 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:27:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:27:58,377 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:27:58,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:27:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:27:58,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414318471] [2021-03-26 05:27:58,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:27:58,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:27:58,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738135681] [2021-03-26 05:27:58,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:27:58,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:27:58,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:27:58,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:27:58,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 192 [2021-03-26 05:27:58,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 684 transitions, 22098 flow. Second operand has 9 states, 9 states have (on average 49.22222222222222) internal successors, (443), 9 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:58,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:27:58,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 192 [2021-03-26 05:27:58,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:27:59,323 INFO L129 PetriNetUnfolder]: 673/1628 cut-off events. [2021-03-26 05:27:59,324 INFO L130 PetriNetUnfolder]: For 149797/149803 co-relation queries the response was YES. [2021-03-26 05:27:59,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22115 conditions, 1628 events. 673/1628 cut-off events. For 149797/149803 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 11908 event pairs, 11 based on Foata normal form. 7/1397 useless extension candidates. Maximal degree in co-relation 21817. Up to 837 conditions per place. [2021-03-26 05:27:59,363 INFO L132 encePairwiseOnDemand]: 173/192 looper letters, 567 selfloop transitions, 127 changer transitions 0/712 dead transitions. [2021-03-26 05:27:59,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 712 transitions, 25319 flow [2021-03-26 05:27:59,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:27:59,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:27:59,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 516 transitions. [2021-03-26 05:27:59,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2986111111111111 [2021-03-26 05:27:59,365 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 516 transitions. [2021-03-26 05:27:59,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 516 transitions. [2021-03-26 05:27:59,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:27:59,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 516 transitions. [2021-03-26 05:27:59,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 57.333333333333336) internal successors, (516), 9 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:59,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 192.0) internal successors, (1920), 10 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:59,366 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 192.0) internal successors, (1920), 10 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:27:59,366 INFO L185 Difference]: Start difference. First operand has 651 places, 684 transitions, 22098 flow. Second operand 9 states and 516 transitions. [2021-03-26 05:27:59,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 712 transitions, 25319 flow [2021-03-26 05:28:00,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 712 transitions, 25117 flow, removed 90 selfloop flow, removed 3 redundant places. [2021-03-26 05:28:00,690 INFO L241 Difference]: Finished difference. Result has 659 places, 699 transitions, 23666 flow [2021-03-26 05:28:00,690 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=21896, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=23666, PETRI_PLACES=659, PETRI_TRANSITIONS=699} [2021-03-26 05:28:00,690 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 606 predicate places. [2021-03-26 05:28:00,690 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:00,690 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 659 places, 699 transitions, 23666 flow [2021-03-26 05:28:00,691 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 659 places, 699 transitions, 23666 flow [2021-03-26 05:28:00,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 659 places, 699 transitions, 23666 flow [2021-03-26 05:28:01,052 INFO L129 PetriNetUnfolder]: 618/1541 cut-off events. [2021-03-26 05:28:01,052 INFO L130 PetriNetUnfolder]: For 157056/157115 co-relation queries the response was YES. [2021-03-26 05:28:01,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20212 conditions, 1541 events. 618/1541 cut-off events. For 157056/157115 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 11560 event pairs, 9 based on Foata normal form. 21/1329 useless extension candidates. Maximal degree in co-relation 19914. Up to 308 conditions per place. [2021-03-26 05:28:01,117 INFO L142 LiptonReduction]: Number of co-enabled transitions 2784 [2021-03-26 05:28:01,175 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:01,176 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:01,176 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 486 [2021-03-26 05:28:01,176 INFO L480 AbstractCegarLoop]: Abstraction has has 659 places, 699 transitions, 23666 flow [2021-03-26 05:28:01,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.22222222222222) internal successors, (443), 9 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:01,176 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:01,176 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:01,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable415 [2021-03-26 05:28:01,176 INFO L428 AbstractCegarLoop]: === Iteration 417 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:01,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:01,176 INFO L82 PathProgramCache]: Analyzing trace with hash 301520484, now seen corresponding path program 2 times [2021-03-26 05:28:01,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:01,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922254505] [2021-03-26 05:28:01,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:01,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:01,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:01,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:01,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:01,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:01,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:01,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:01,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:01,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:01,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:01,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:01,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:01,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:01,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:01,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:01,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:01,246 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:28:01,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:01,252 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:01,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:01,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922254505] [2021-03-26 05:28:01,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:01,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:28:01,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567682256] [2021-03-26 05:28:01,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:28:01,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:01,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:28:01,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:28:01,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 192 [2021-03-26 05:28:01,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 699 transitions, 23666 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:01,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:01,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 192 [2021-03-26 05:28:01,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:02,151 INFO L129 PetriNetUnfolder]: 674/1640 cut-off events. [2021-03-26 05:28:02,151 INFO L130 PetriNetUnfolder]: For 157423/157436 co-relation queries the response was YES. [2021-03-26 05:28:02,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22595 conditions, 1640 events. 674/1640 cut-off events. For 157423/157436 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 12014 event pairs, 19 based on Foata normal form. 14/1414 useless extension candidates. Maximal degree in co-relation 22293. Up to 890 conditions per place. [2021-03-26 05:28:02,192 INFO L132 encePairwiseOnDemand]: 176/192 looper letters, 620 selfloop transitions, 70 changer transitions 0/708 dead transitions. [2021-03-26 05:28:02,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 708 transitions, 25550 flow [2021-03-26 05:28:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:28:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:28:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 456 transitions. [2021-03-26 05:28:02,194 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.296875 [2021-03-26 05:28:02,194 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 456 transitions. [2021-03-26 05:28:02,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 456 transitions. [2021-03-26 05:28:02,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:02,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 456 transitions. [2021-03-26 05:28:02,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 57.0) internal successors, (456), 8 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:02,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 192.0) internal successors, (1728), 9 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:02,195 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 192.0) internal successors, (1728), 9 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:02,195 INFO L185 Difference]: Start difference. First operand has 659 places, 699 transitions, 23666 flow. Second operand 8 states and 456 transitions. [2021-03-26 05:28:02,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 708 transitions, 25550 flow [2021-03-26 05:28:03,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 708 transitions, 25016 flow, removed 253 selfloop flow, removed 4 redundant places. [2021-03-26 05:28:03,504 INFO L241 Difference]: Finished difference. Result has 663 places, 703 transitions, 23780 flow [2021-03-26 05:28:03,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=23144, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=631, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23780, PETRI_PLACES=663, PETRI_TRANSITIONS=703} [2021-03-26 05:28:03,504 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 610 predicate places. [2021-03-26 05:28:03,504 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:03,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 703 transitions, 23780 flow [2021-03-26 05:28:03,504 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 703 transitions, 23780 flow [2021-03-26 05:28:03,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 703 transitions, 23780 flow [2021-03-26 05:28:03,867 INFO L129 PetriNetUnfolder]: 617/1549 cut-off events. [2021-03-26 05:28:03,867 INFO L130 PetriNetUnfolder]: For 145225/145308 co-relation queries the response was YES. [2021-03-26 05:28:03,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20080 conditions, 1549 events. 617/1549 cut-off events. For 145225/145308 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 11648 event pairs, 12 based on Foata normal form. 20/1336 useless extension candidates. Maximal degree in co-relation 19781. Up to 309 conditions per place. [2021-03-26 05:28:03,923 INFO L142 LiptonReduction]: Number of co-enabled transitions 2836 [2021-03-26 05:28:03,981 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:03,981 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:03,981 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 477 [2021-03-26 05:28:03,981 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 703 transitions, 23780 flow [2021-03-26 05:28:03,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:03,982 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:03,982 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:03,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable416 [2021-03-26 05:28:03,982 INFO L428 AbstractCegarLoop]: === Iteration 418 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:03,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:03,982 INFO L82 PathProgramCache]: Analyzing trace with hash -2069032898, now seen corresponding path program 3 times [2021-03-26 05:28:03,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:03,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215184388] [2021-03-26 05:28:03,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:03,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:03,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:03,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:03,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:04,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:04,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:04,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:04,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:04,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:04,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:04,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:04,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:04,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:04,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:04,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:04,064 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:28:04,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:04,070 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:04,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:04,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:04,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215184388] [2021-03-26 05:28:04,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:04,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:28:04,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655293894] [2021-03-26 05:28:04,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:28:04,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:04,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:28:04,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:28:04,074 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 192 [2021-03-26 05:28:04,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 703 transitions, 23780 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:04,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:04,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 192 [2021-03-26 05:28:04,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:04,956 INFO L129 PetriNetUnfolder]: 681/1666 cut-off events. [2021-03-26 05:28:04,956 INFO L130 PetriNetUnfolder]: For 149463/149478 co-relation queries the response was YES. [2021-03-26 05:28:04,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22433 conditions, 1666 events. 681/1666 cut-off events. For 149463/149478 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 12338 event pairs, 18 based on Foata normal form. 16/1435 useless extension candidates. Maximal degree in co-relation 22130. Up to 888 conditions per place. [2021-03-26 05:28:04,995 INFO L132 encePairwiseOnDemand]: 176/192 looper letters, 616 selfloop transitions, 57 changer transitions 21/712 dead transitions. [2021-03-26 05:28:04,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 712 transitions, 25668 flow [2021-03-26 05:28:04,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:28:04,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:28:04,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 505 transitions. [2021-03-26 05:28:04,997 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29224537037037035 [2021-03-26 05:28:04,997 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 505 transitions. [2021-03-26 05:28:04,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 505 transitions. [2021-03-26 05:28:04,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:04,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 505 transitions. [2021-03-26 05:28:04,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.111111111111114) internal successors, (505), 9 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:04,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 192.0) internal successors, (1920), 10 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:04,998 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 192.0) internal successors, (1920), 10 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:04,998 INFO L185 Difference]: Start difference. First operand has 663 places, 703 transitions, 23780 flow. Second operand 9 states and 505 transitions. [2021-03-26 05:28:04,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 712 transitions, 25668 flow [2021-03-26 05:28:06,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 712 transitions, 25381 flow, removed 137 selfloop flow, removed 2 redundant places. [2021-03-26 05:28:06,331 INFO L241 Difference]: Finished difference. Result has 673 places, 686 transitions, 22970 flow [2021-03-26 05:28:06,332 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=23493, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=22970, PETRI_PLACES=673, PETRI_TRANSITIONS=686} [2021-03-26 05:28:06,332 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 620 predicate places. [2021-03-26 05:28:06,332 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:06,332 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 673 places, 686 transitions, 22970 flow [2021-03-26 05:28:06,332 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 673 places, 686 transitions, 22970 flow [2021-03-26 05:28:06,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 668 places, 686 transitions, 22970 flow [2021-03-26 05:28:06,678 INFO L129 PetriNetUnfolder]: 619/1522 cut-off events. [2021-03-26 05:28:06,678 INFO L130 PetriNetUnfolder]: For 145877/145907 co-relation queries the response was YES. [2021-03-26 05:28:06,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20070 conditions, 1522 events. 619/1522 cut-off events. For 145877/145907 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 11225 event pairs, 12 based on Foata normal form. 15/1308 useless extension candidates. Maximal degree in co-relation 19766. Up to 308 conditions per place. [2021-03-26 05:28:06,737 INFO L142 LiptonReduction]: Number of co-enabled transitions 2668 [2021-03-26 05:28:06,790 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:06,790 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:06,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 459 [2021-03-26 05:28:06,791 INFO L480 AbstractCegarLoop]: Abstraction has has 668 places, 686 transitions, 22970 flow [2021-03-26 05:28:06,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:06,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:06,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:06,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable417 [2021-03-26 05:28:06,791 INFO L428 AbstractCegarLoop]: === Iteration 419 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:06,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:06,791 INFO L82 PathProgramCache]: Analyzing trace with hash 486760013, now seen corresponding path program 3 times [2021-03-26 05:28:06,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:06,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691746025] [2021-03-26 05:28:06,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:06,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:06,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:06,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:06,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:06,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:06,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:06,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:06,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:06,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:06,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:06,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:06,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:06,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:06,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:06,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:06,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:06,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:06,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:06,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:28:06,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:06,889 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:06,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:06,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691746025] [2021-03-26 05:28:06,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:06,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:28:06,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676055546] [2021-03-26 05:28:06,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:28:06,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:06,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:28:06,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:28:06,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 192 [2021-03-26 05:28:06,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 686 transitions, 22970 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:06,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:06,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 192 [2021-03-26 05:28:06,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:07,976 INFO L129 PetriNetUnfolder]: 684/1655 cut-off events. [2021-03-26 05:28:07,976 INFO L130 PetriNetUnfolder]: For 159794/159800 co-relation queries the response was YES. [2021-03-26 05:28:08,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22945 conditions, 1655 events. 684/1655 cut-off events. For 159794/159800 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 12113 event pairs, 12 based on Foata normal form. 8/1418 useless extension candidates. Maximal degree in co-relation 22637. Up to 860 conditions per place. [2021-03-26 05:28:08,018 INFO L132 encePairwiseOnDemand]: 177/192 looper letters, 612 selfloop transitions, 82 changer transitions 0/712 dead transitions. [2021-03-26 05:28:08,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 712 transitions, 26138 flow [2021-03-26 05:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:28:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:28:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 717 transitions. [2021-03-26 05:28:08,020 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28725961538461536 [2021-03-26 05:28:08,020 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 717 transitions. [2021-03-26 05:28:08,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 717 transitions. [2021-03-26 05:28:08,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:08,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 717 transitions. [2021-03-26 05:28:08,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.15384615384615) internal successors, (717), 13 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:08,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 192.0) internal successors, (2688), 14 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:08,022 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 192.0) internal successors, (2688), 14 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:08,022 INFO L185 Difference]: Start difference. First operand has 668 places, 686 transitions, 22970 flow. Second operand 13 states and 717 transitions. [2021-03-26 05:28:08,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 712 transitions, 26138 flow [2021-03-26 05:28:09,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 712 transitions, 25643 flow, removed 31 selfloop flow, removed 21 redundant places. [2021-03-26 05:28:09,485 INFO L241 Difference]: Finished difference. Result has 661 places, 702 transitions, 24312 flow [2021-03-26 05:28:09,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=22507, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=616, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=24312, PETRI_PLACES=661, PETRI_TRANSITIONS=702} [2021-03-26 05:28:09,485 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 608 predicate places. [2021-03-26 05:28:09,485 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:09,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 661 places, 702 transitions, 24312 flow [2021-03-26 05:28:09,485 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 661 places, 702 transitions, 24312 flow [2021-03-26 05:28:09,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 702 transitions, 24312 flow [2021-03-26 05:28:09,850 INFO L129 PetriNetUnfolder]: 628/1561 cut-off events. [2021-03-26 05:28:09,850 INFO L130 PetriNetUnfolder]: For 143297/143418 co-relation queries the response was YES. [2021-03-26 05:28:09,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20706 conditions, 1561 events. 628/1561 cut-off events. For 143297/143418 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 11653 event pairs, 17 based on Foata normal form. 17/1342 useless extension candidates. Maximal degree in co-relation 20409. Up to 321 conditions per place. [2021-03-26 05:28:09,907 INFO L142 LiptonReduction]: Number of co-enabled transitions 2810 [2021-03-26 05:28:09,965 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:09,965 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:09,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 480 [2021-03-26 05:28:09,965 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 702 transitions, 24312 flow [2021-03-26 05:28:09,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:09,966 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:09,966 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:09,966 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable418 [2021-03-26 05:28:09,966 INFO L428 AbstractCegarLoop]: === Iteration 420 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:09,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:09,966 INFO L82 PathProgramCache]: Analyzing trace with hash 689303699, now seen corresponding path program 4 times [2021-03-26 05:28:09,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:09,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456543820] [2021-03-26 05:28:09,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:09,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:09,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:09,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:09,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:09,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:09,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:09,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:09,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:09,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:10,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:10,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:10,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:10,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:10,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:10,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:10,032 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:28:10,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:10,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:28:10,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:10,053 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:10,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:10,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456543820] [2021-03-26 05:28:10,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:10,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:28:10,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360605065] [2021-03-26 05:28:10,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:28:10,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:10,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:28:10,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:28:10,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 192 [2021-03-26 05:28:10,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 702 transitions, 24312 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:10,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:10,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 192 [2021-03-26 05:28:10,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:11,096 INFO L129 PetriNetUnfolder]: 689/1680 cut-off events. [2021-03-26 05:28:11,096 INFO L130 PetriNetUnfolder]: For 163329/163333 co-relation queries the response was YES. [2021-03-26 05:28:11,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23250 conditions, 1680 events. 689/1680 cut-off events. For 163329/163333 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 12365 event pairs, 14 based on Foata normal form. 5/1435 useless extension candidates. Maximal degree in co-relation 22949. Up to 870 conditions per place. [2021-03-26 05:28:11,138 INFO L132 encePairwiseOnDemand]: 177/192 looper letters, 619 selfloop transitions, 81 changer transitions 1/719 dead transitions. [2021-03-26 05:28:11,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 719 transitions, 26661 flow [2021-03-26 05:28:11,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:28:11,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:28:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 565 transitions. [2021-03-26 05:28:11,139 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2942708333333333 [2021-03-26 05:28:11,140 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 565 transitions. [2021-03-26 05:28:11,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 565 transitions. [2021-03-26 05:28:11,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:11,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 565 transitions. [2021-03-26 05:28:11,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.5) internal successors, (565), 10 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:11,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 192.0) internal successors, (2112), 11 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:11,141 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 192.0) internal successors, (2112), 11 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:11,141 INFO L185 Difference]: Start difference. First operand has 661 places, 702 transitions, 24312 flow. Second operand 10 states and 565 transitions. [2021-03-26 05:28:11,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 719 transitions, 26661 flow [2021-03-26 05:28:12,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 719 transitions, 25154 flow, removed 746 selfloop flow, removed 2 redundant places. [2021-03-26 05:28:12,388 INFO L241 Difference]: Finished difference. Result has 672 places, 709 transitions, 23771 flow [2021-03-26 05:28:12,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=22999, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=23771, PETRI_PLACES=672, PETRI_TRANSITIONS=709} [2021-03-26 05:28:12,389 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 619 predicate places. [2021-03-26 05:28:12,389 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:12,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 672 places, 709 transitions, 23771 flow [2021-03-26 05:28:12,389 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 672 places, 709 transitions, 23771 flow [2021-03-26 05:28:12,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 672 places, 709 transitions, 23771 flow [2021-03-26 05:28:12,765 INFO L129 PetriNetUnfolder]: 632/1580 cut-off events. [2021-03-26 05:28:12,765 INFO L130 PetriNetUnfolder]: For 141228/141313 co-relation queries the response was YES. [2021-03-26 05:28:12,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20249 conditions, 1580 events. 632/1580 cut-off events. For 141228/141313 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 11876 event pairs, 17 based on Foata normal form. 19/1356 useless extension candidates. Maximal degree in co-relation 19947. Up to 315 conditions per place. [2021-03-26 05:28:12,825 INFO L142 LiptonReduction]: Number of co-enabled transitions 2866 [2021-03-26 05:28:12,883 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:12,883 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:12,883 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-26 05:28:12,883 INFO L480 AbstractCegarLoop]: Abstraction has has 672 places, 709 transitions, 23771 flow [2021-03-26 05:28:12,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:12,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:12,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:12,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable419 [2021-03-26 05:28:12,883 INFO L428 AbstractCegarLoop]: === Iteration 421 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:12,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:12,884 INFO L82 PathProgramCache]: Analyzing trace with hash -9188469, now seen corresponding path program 5 times [2021-03-26 05:28:12,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:12,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669190967] [2021-03-26 05:28:12,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:12,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:12,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:12,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:12,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:12,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:12,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:12,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:12,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:12,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:12,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:12,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:12,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:12,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:12,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:12,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:12,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:12,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:12,966 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:12,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:12,971 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:12,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:12,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669190967] [2021-03-26 05:28:12,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:12,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:28:12,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749850622] [2021-03-26 05:28:12,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:28:12,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:12,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:28:12,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:28:12,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 192 [2021-03-26 05:28:12,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 709 transitions, 23771 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:12,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:12,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 192 [2021-03-26 05:28:12,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:13,970 INFO L129 PetriNetUnfolder]: 691/1687 cut-off events. [2021-03-26 05:28:13,971 INFO L130 PetriNetUnfolder]: For 156821/156825 co-relation queries the response was YES. [2021-03-26 05:28:14,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22689 conditions, 1687 events. 691/1687 cut-off events. For 156821/156825 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 12475 event pairs, 14 based on Foata normal form. 5/1440 useless extension candidates. Maximal degree in co-relation 22383. Up to 894 conditions per place. [2021-03-26 05:28:14,014 INFO L132 encePairwiseOnDemand]: 177/192 looper letters, 632 selfloop transitions, 70 changer transitions 0/720 dead transitions. [2021-03-26 05:28:14,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 720 transitions, 25687 flow [2021-03-26 05:28:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:28:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:28:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 659 transitions. [2021-03-26 05:28:14,016 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2860243055555556 [2021-03-26 05:28:14,016 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 659 transitions. [2021-03-26 05:28:14,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 659 transitions. [2021-03-26 05:28:14,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:14,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 659 transitions. [2021-03-26 05:28:14,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.916666666666664) internal successors, (659), 12 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:14,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 192.0) internal successors, (2496), 13 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:14,018 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 192.0) internal successors, (2496), 13 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:14,018 INFO L185 Difference]: Start difference. First operand has 672 places, 709 transitions, 23771 flow. Second operand 12 states and 659 transitions. [2021-03-26 05:28:14,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 720 transitions, 25687 flow [2021-03-26 05:28:15,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 680 places, 720 transitions, 25129 flow, removed 260 selfloop flow, removed 3 redundant places. [2021-03-26 05:28:15,285 INFO L241 Difference]: Finished difference. Result has 684 places, 713 transitions, 23826 flow [2021-03-26 05:28:15,285 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=23405, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=639, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=23826, PETRI_PLACES=684, PETRI_TRANSITIONS=713} [2021-03-26 05:28:15,285 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 631 predicate places. [2021-03-26 05:28:15,285 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:15,285 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 684 places, 713 transitions, 23826 flow [2021-03-26 05:28:15,285 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 684 places, 713 transitions, 23826 flow [2021-03-26 05:28:15,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 684 places, 713 transitions, 23826 flow [2021-03-26 05:28:15,651 INFO L129 PetriNetUnfolder]: 645/1614 cut-off events. [2021-03-26 05:28:15,651 INFO L130 PetriNetUnfolder]: For 138449/138540 co-relation queries the response was YES. [2021-03-26 05:28:15,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20664 conditions, 1614 events. 645/1614 cut-off events. For 138449/138540 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 12211 event pairs, 18 based on Foata normal form. 12/1380 useless extension candidates. Maximal degree in co-relation 20357. Up to 321 conditions per place. [2021-03-26 05:28:15,715 INFO L142 LiptonReduction]: Number of co-enabled transitions 2900 [2021-03-26 05:28:15,877 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:28:15,877 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:28:15,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 592 [2021-03-26 05:28:15,877 INFO L480 AbstractCegarLoop]: Abstraction has has 684 places, 713 transitions, 23868 flow [2021-03-26 05:28:15,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:15,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:15,877 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:15,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable420 [2021-03-26 05:28:15,877 INFO L428 AbstractCegarLoop]: === Iteration 422 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:15,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:15,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1733838659, now seen corresponding path program 6 times [2021-03-26 05:28:15,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:15,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988941441] [2021-03-26 05:28:15,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:15,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:15,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:15,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:15,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:15,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:15,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:15,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:15,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:15,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:15,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:15,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:15,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:15,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:15,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:15,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:15,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:15,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:15,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:15,952 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:15,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:15,957 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:15,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988941441] [2021-03-26 05:28:15,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:15,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:28:15,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861393396] [2021-03-26 05:28:15,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:28:15,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:15,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:28:15,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:28:15,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 193 [2021-03-26 05:28:15,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 684 places, 713 transitions, 23868 flow. Second operand has 8 states, 8 states have (on average 49.625) internal successors, (397), 8 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:15,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:15,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 193 [2021-03-26 05:28:15,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:16,913 INFO L129 PetriNetUnfolder]: 701/1717 cut-off events. [2021-03-26 05:28:16,913 INFO L130 PetriNetUnfolder]: For 153658/153664 co-relation queries the response was YES. [2021-03-26 05:28:16,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22786 conditions, 1717 events. 701/1717 cut-off events. For 153658/153664 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 12847 event pairs, 11 based on Foata normal form. 7/1464 useless extension candidates. Maximal degree in co-relation 22475. Up to 914 conditions per place. [2021-03-26 05:28:16,955 INFO L132 encePairwiseOnDemand]: 178/193 looper letters, 649 selfloop transitions, 58 changer transitions 0/725 dead transitions. [2021-03-26 05:28:16,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 692 places, 725 transitions, 25748 flow [2021-03-26 05:28:16,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:28:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:28:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 506 transitions. [2021-03-26 05:28:16,956 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2913068508923431 [2021-03-26 05:28:16,956 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 506 transitions. [2021-03-26 05:28:16,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 506 transitions. [2021-03-26 05:28:16,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:16,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 506 transitions. [2021-03-26 05:28:16,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.22222222222222) internal successors, (506), 9 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:16,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 193.0) internal successors, (1930), 10 states have internal predecessors, (1930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:16,958 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 193.0) internal successors, (1930), 10 states have internal predecessors, (1930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:16,958 INFO L185 Difference]: Start difference. First operand has 684 places, 713 transitions, 23868 flow. Second operand 9 states and 506 transitions. [2021-03-26 05:28:16,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 692 places, 725 transitions, 25748 flow [2021-03-26 05:28:18,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 725 transitions, 25305 flow, removed 165 selfloop flow, removed 5 redundant places. [2021-03-26 05:28:18,356 INFO L241 Difference]: Finished difference. Result has 690 places, 719 transitions, 24006 flow [2021-03-26 05:28:18,356 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=23425, PETRI_DIFFERENCE_MINUEND_PLACES=679, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=657, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=24006, PETRI_PLACES=690, PETRI_TRANSITIONS=719} [2021-03-26 05:28:18,357 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 637 predicate places. [2021-03-26 05:28:18,357 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:18,357 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 690 places, 719 transitions, 24006 flow [2021-03-26 05:28:18,357 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 690 places, 719 transitions, 24006 flow [2021-03-26 05:28:18,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 690 places, 719 transitions, 24006 flow [2021-03-26 05:28:18,722 INFO L129 PetriNetUnfolder]: 651/1635 cut-off events. [2021-03-26 05:28:18,722 INFO L130 PetriNetUnfolder]: For 150061/150117 co-relation queries the response was YES. [2021-03-26 05:28:18,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20825 conditions, 1635 events. 651/1635 cut-off events. For 150061/150117 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 12489 event pairs, 13 based on Foata normal form. 13/1397 useless extension candidates. Maximal degree in co-relation 20515. Up to 317 conditions per place. [2021-03-26 05:28:18,783 INFO L142 LiptonReduction]: Number of co-enabled transitions 2936 [2021-03-26 05:28:18,943 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 05:28:18,943 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:28:18,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 586 [2021-03-26 05:28:18,944 INFO L480 AbstractCegarLoop]: Abstraction has has 690 places, 719 transitions, 24095 flow [2021-03-26 05:28:18,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.625) internal successors, (397), 8 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:18,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:18,944 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:18,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable421 [2021-03-26 05:28:18,944 INFO L428 AbstractCegarLoop]: === Iteration 423 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:18,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:18,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1592076566, now seen corresponding path program 1 times [2021-03-26 05:28:18,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:18,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057899922] [2021-03-26 05:28:18,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:18,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:18,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:18,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:18,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:18,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:18,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:18,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:18,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:18,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:18,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:18,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:19,001 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:28:19,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:28:19,004 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:19,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:19,018 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:19,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:19,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057899922] [2021-03-26 05:28:19,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:19,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:28:19,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969347922] [2021-03-26 05:28:19,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:28:19,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:19,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:28:19,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:28:19,021 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 194 [2021-03-26 05:28:19,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 719 transitions, 24095 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:19,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:19,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 194 [2021-03-26 05:28:19,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:20,033 INFO L129 PetriNetUnfolder]: 702/1727 cut-off events. [2021-03-26 05:28:20,033 INFO L130 PetriNetUnfolder]: For 157250/157254 co-relation queries the response was YES. [2021-03-26 05:28:20,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22856 conditions, 1727 events. 702/1727 cut-off events. For 157250/157254 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 12910 event pairs, 13 based on Foata normal form. 5/1470 useless extension candidates. Maximal degree in co-relation 22542. Up to 884 conditions per place. [2021-03-26 05:28:20,080 INFO L132 encePairwiseOnDemand]: 176/194 looper letters, 618 selfloop transitions, 97 changer transitions 0/733 dead transitions. [2021-03-26 05:28:20,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 697 places, 733 transitions, 25832 flow [2021-03-26 05:28:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:28:20,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:28:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 469 transitions. [2021-03-26 05:28:20,082 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3021907216494845 [2021-03-26 05:28:20,082 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 469 transitions. [2021-03-26 05:28:20,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 469 transitions. [2021-03-26 05:28:20,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:20,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 469 transitions. [2021-03-26 05:28:20,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.625) internal successors, (469), 8 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:20,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 194.0) internal successors, (1746), 9 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:20,083 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 194.0) internal successors, (1746), 9 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:20,083 INFO L185 Difference]: Start difference. First operand has 690 places, 719 transitions, 24095 flow. Second operand 8 states and 469 transitions. [2021-03-26 05:28:20,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 697 places, 733 transitions, 25832 flow [2021-03-26 05:28:21,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 693 places, 733 transitions, 25391 flow, removed 186 selfloop flow, removed 4 redundant places. [2021-03-26 05:28:21,561 INFO L241 Difference]: Finished difference. Result has 696 places, 721 transitions, 24059 flow [2021-03-26 05:28:21,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=23654, PETRI_DIFFERENCE_MINUEND_PLACES=686, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=622, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=24059, PETRI_PLACES=696, PETRI_TRANSITIONS=721} [2021-03-26 05:28:21,561 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 643 predicate places. [2021-03-26 05:28:21,562 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:21,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 696 places, 721 transitions, 24059 flow [2021-03-26 05:28:21,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 696 places, 721 transitions, 24059 flow [2021-03-26 05:28:21,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 696 places, 721 transitions, 24059 flow [2021-03-26 05:28:22,033 INFO L129 PetriNetUnfolder]: 650/1644 cut-off events. [2021-03-26 05:28:22,033 INFO L130 PetriNetUnfolder]: For 156047/156186 co-relation queries the response was YES. [2021-03-26 05:28:22,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20828 conditions, 1644 events. 650/1644 cut-off events. For 156047/156186 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 12634 event pairs, 13 based on Foata normal form. 14/1399 useless extension candidates. Maximal degree in co-relation 20514. Up to 314 conditions per place. [2021-03-26 05:28:22,086 INFO L142 LiptonReduction]: Number of co-enabled transitions 2960 [2021-03-26 05:28:22,140 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:22,140 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:22,140 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 579 [2021-03-26 05:28:22,141 INFO L480 AbstractCegarLoop]: Abstraction has has 696 places, 721 transitions, 24059 flow [2021-03-26 05:28:22,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:22,141 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:22,141 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:22,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable422 [2021-03-26 05:28:22,141 INFO L428 AbstractCegarLoop]: === Iteration 424 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:22,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:22,141 INFO L82 PathProgramCache]: Analyzing trace with hash 758767119, now seen corresponding path program 7 times [2021-03-26 05:28:22,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:22,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209246856] [2021-03-26 05:28:22,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:22,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:22,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:22,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:22,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:22,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:22,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:22,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:22,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:22,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:22,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:22,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:22,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:22,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:22,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:22,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:22,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:22,223 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:22,228 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:22,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:22,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209246856] [2021-03-26 05:28:22,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:22,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:28:22,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034240708] [2021-03-26 05:28:22,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:28:22,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:22,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:28:22,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:28:22,231 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 194 [2021-03-26 05:28:22,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 696 places, 721 transitions, 24059 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:22,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:22,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 194 [2021-03-26 05:28:22,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:23,259 INFO L129 PetriNetUnfolder]: 703/1735 cut-off events. [2021-03-26 05:28:23,259 INFO L130 PetriNetUnfolder]: For 156491/156495 co-relation queries the response was YES. [2021-03-26 05:28:23,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22979 conditions, 1735 events. 703/1735 cut-off events. For 156491/156495 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 13027 event pairs, 14 based on Foata normal form. 5/1477 useless extension candidates. Maximal degree in co-relation 22661. Up to 878 conditions per place. [2021-03-26 05:28:23,304 INFO L132 encePairwiseOnDemand]: 177/194 looper letters, 623 selfloop transitions, 92 changer transitions 0/733 dead transitions. [2021-03-26 05:28:23,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 705 places, 733 transitions, 25892 flow [2021-03-26 05:28:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:28:23,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:28:23,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 565 transitions. [2021-03-26 05:28:23,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2912371134020619 [2021-03-26 05:28:23,306 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 565 transitions. [2021-03-26 05:28:23,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 565 transitions. [2021-03-26 05:28:23,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:23,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 565 transitions. [2021-03-26 05:28:23,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.5) internal successors, (565), 10 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:23,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 194.0) internal successors, (2134), 11 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:23,307 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 194.0) internal successors, (2134), 11 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:23,307 INFO L185 Difference]: Start difference. First operand has 696 places, 721 transitions, 24059 flow. Second operand 10 states and 565 transitions. [2021-03-26 05:28:23,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 705 places, 733 transitions, 25892 flow [2021-03-26 05:28:24,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 700 places, 733 transitions, 25714 flow, removed 29 selfloop flow, removed 5 redundant places. [2021-03-26 05:28:24,746 INFO L241 Difference]: Finished difference. Result has 703 places, 725 transitions, 24461 flow [2021-03-26 05:28:24,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=23881, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=721, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=631, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=24461, PETRI_PLACES=703, PETRI_TRANSITIONS=725} [2021-03-26 05:28:24,747 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 650 predicate places. [2021-03-26 05:28:24,747 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:24,747 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 703 places, 725 transitions, 24461 flow [2021-03-26 05:28:24,747 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 703 places, 725 transitions, 24461 flow [2021-03-26 05:28:24,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 703 places, 725 transitions, 24461 flow [2021-03-26 05:28:25,160 INFO L129 PetriNetUnfolder]: 649/1650 cut-off events. [2021-03-26 05:28:25,161 INFO L130 PetriNetUnfolder]: For 155165/155195 co-relation queries the response was YES. [2021-03-26 05:28:25,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20943 conditions, 1650 events. 649/1650 cut-off events. For 155165/155195 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 12727 event pairs, 14 based on Foata normal form. 17/1411 useless extension candidates. Maximal degree in co-relation 20627. Up to 313 conditions per place. [2021-03-26 05:28:25,227 INFO L142 LiptonReduction]: Number of co-enabled transitions 2988 [2021-03-26 05:28:25,287 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:25,287 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:25,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 540 [2021-03-26 05:28:25,287 INFO L480 AbstractCegarLoop]: Abstraction has has 703 places, 725 transitions, 24461 flow [2021-03-26 05:28:25,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:25,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:25,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:25,288 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable423 [2021-03-26 05:28:25,288 INFO L428 AbstractCegarLoop]: === Iteration 425 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:25,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:25,288 INFO L82 PathProgramCache]: Analyzing trace with hash -464925215, now seen corresponding path program 8 times [2021-03-26 05:28:25,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:25,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713391662] [2021-03-26 05:28:25,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:25,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:25,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:25,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:25,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:25,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:25,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:25,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:25,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:25,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:25,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:25,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:25,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:25,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:25,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:25,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:25,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:25,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:25,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:25,357 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:25,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:25,362 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:25,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:25,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713391662] [2021-03-26 05:28:25,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:25,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:28:25,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894276961] [2021-03-26 05:28:25,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:28:25,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:25,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:28:25,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:28:25,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 194 [2021-03-26 05:28:25,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 703 places, 725 transitions, 24461 flow. Second operand has 8 states, 8 states have (on average 49.625) internal successors, (397), 8 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:25,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:25,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 194 [2021-03-26 05:28:25,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:26,386 INFO L129 PetriNetUnfolder]: 707/1751 cut-off events. [2021-03-26 05:28:26,386 INFO L130 PetriNetUnfolder]: For 159680/159695 co-relation queries the response was YES. [2021-03-26 05:28:26,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23180 conditions, 1751 events. 707/1751 cut-off events. For 159680/159695 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 13290 event pairs, 12 based on Foata normal form. 16/1500 useless extension candidates. Maximal degree in co-relation 22860. Up to 922 conditions per place. [2021-03-26 05:28:26,428 INFO L132 encePairwiseOnDemand]: 179/194 looper letters, 653 selfloop transitions, 64 changer transitions 0/735 dead transitions. [2021-03-26 05:28:26,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 712 places, 735 transitions, 26166 flow [2021-03-26 05:28:26,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 05:28:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 05:28:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 560 transitions. [2021-03-26 05:28:26,430 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28865979381443296 [2021-03-26 05:28:26,430 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 560 transitions. [2021-03-26 05:28:26,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 560 transitions. [2021-03-26 05:28:26,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:26,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 560 transitions. [2021-03-26 05:28:26,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.0) internal successors, (560), 10 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:26,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 194.0) internal successors, (2134), 11 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:26,431 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 194.0) internal successors, (2134), 11 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:26,431 INFO L185 Difference]: Start difference. First operand has 703 places, 725 transitions, 24461 flow. Second operand 10 states and 560 transitions. [2021-03-26 05:28:26,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 712 places, 735 transitions, 26166 flow [2021-03-26 05:28:27,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 705 places, 735 transitions, 25669 flow, removed 161 selfloop flow, removed 7 redundant places. [2021-03-26 05:28:27,845 INFO L241 Difference]: Finished difference. Result has 709 places, 729 transitions, 24389 flow [2021-03-26 05:28:27,845 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=23970, PETRI_DIFFERENCE_MINUEND_PLACES=696, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=725, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=661, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=24389, PETRI_PLACES=709, PETRI_TRANSITIONS=729} [2021-03-26 05:28:27,846 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 656 predicate places. [2021-03-26 05:28:27,846 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:27,846 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 709 places, 729 transitions, 24389 flow [2021-03-26 05:28:27,846 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 709 places, 729 transitions, 24389 flow [2021-03-26 05:28:27,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 709 places, 729 transitions, 24389 flow [2021-03-26 05:28:28,264 INFO L129 PetriNetUnfolder]: 653/1663 cut-off events. [2021-03-26 05:28:28,264 INFO L130 PetriNetUnfolder]: For 143719/143801 co-relation queries the response was YES. [2021-03-26 05:28:28,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20904 conditions, 1663 events. 653/1663 cut-off events. For 143719/143801 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 12875 event pairs, 14 based on Foata normal form. 19/1421 useless extension candidates. Maximal degree in co-relation 20585. Up to 314 conditions per place. [2021-03-26 05:28:28,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 3012 [2021-03-26 05:28:28,392 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:28,392 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:28,392 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 546 [2021-03-26 05:28:28,393 INFO L480 AbstractCegarLoop]: Abstraction has has 709 places, 729 transitions, 24389 flow [2021-03-26 05:28:28,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.625) internal successors, (397), 8 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:28,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:28,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:28,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable424 [2021-03-26 05:28:28,393 INFO L428 AbstractCegarLoop]: === Iteration 426 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:28,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:28,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1139098803, now seen corresponding path program 9 times [2021-03-26 05:28:28,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:28,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409148765] [2021-03-26 05:28:28,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:28,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:28,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:28,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:28,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:28,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:28,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:28,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:28,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:28,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:28,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:28,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:28,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:28,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:28,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:28,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:28,461 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:28:28,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:28:28,464 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:28,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:28,478 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:28,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:28,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:28,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409148765] [2021-03-26 05:28:28,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:28,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:28:28,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851431428] [2021-03-26 05:28:28,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:28:28,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:28,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:28:28,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:28:28,482 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 194 [2021-03-26 05:28:28,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 709 places, 729 transitions, 24389 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:28,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:28,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 194 [2021-03-26 05:28:28,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:29,606 INFO L129 PetriNetUnfolder]: 723/1803 cut-off events. [2021-03-26 05:28:29,606 INFO L130 PetriNetUnfolder]: For 162760/162773 co-relation queries the response was YES. [2021-03-26 05:28:29,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23494 conditions, 1803 events. 723/1803 cut-off events. For 162760/162773 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 13801 event pairs, 14 based on Foata normal form. 15/1537 useless extension candidates. Maximal degree in co-relation 23171. Up to 913 conditions per place. [2021-03-26 05:28:29,654 INFO L132 encePairwiseOnDemand]: 176/194 looper letters, 635 selfloop transitions, 87 changer transitions 8/748 dead transitions. [2021-03-26 05:28:29,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 719 places, 748 transitions, 26790 flow [2021-03-26 05:28:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:28:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:28:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 616 transitions. [2021-03-26 05:28:29,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28865979381443296 [2021-03-26 05:28:29,656 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 616 transitions. [2021-03-26 05:28:29,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 616 transitions. [2021-03-26 05:28:29,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:29,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 616 transitions. [2021-03-26 05:28:29,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.0) internal successors, (616), 11 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:29,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 194.0) internal successors, (2328), 12 states have internal predecessors, (2328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:29,657 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 194.0) internal successors, (2328), 12 states have internal predecessors, (2328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:29,658 INFO L185 Difference]: Start difference. First operand has 709 places, 729 transitions, 24389 flow. Second operand 11 states and 616 transitions. [2021-03-26 05:28:29,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 719 places, 748 transitions, 26790 flow [2021-03-26 05:28:31,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 712 places, 748 transitions, 26401 flow, removed 129 selfloop flow, removed 7 redundant places. [2021-03-26 05:28:31,324 INFO L241 Difference]: Finished difference. Result has 716 places, 733 transitions, 24719 flow [2021-03-26 05:28:31,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=24000, PETRI_DIFFERENCE_MINUEND_PLACES=702, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=24719, PETRI_PLACES=716, PETRI_TRANSITIONS=733} [2021-03-26 05:28:31,324 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 663 predicate places. [2021-03-26 05:28:31,325 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:31,325 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 716 places, 733 transitions, 24719 flow [2021-03-26 05:28:31,325 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 716 places, 733 transitions, 24719 flow [2021-03-26 05:28:31,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 716 places, 733 transitions, 24719 flow [2021-03-26 05:28:31,741 INFO L129 PetriNetUnfolder]: 655/1675 cut-off events. [2021-03-26 05:28:31,741 INFO L130 PetriNetUnfolder]: For 152513/152569 co-relation queries the response was YES. [2021-03-26 05:28:31,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21029 conditions, 1675 events. 655/1675 cut-off events. For 152513/152569 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 13078 event pairs, 13 based on Foata normal form. 20/1431 useless extension candidates. Maximal degree in co-relation 20706. Up to 318 conditions per place. [2021-03-26 05:28:31,810 INFO L142 LiptonReduction]: Number of co-enabled transitions 3070 [2021-03-26 05:28:31,989 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:31,989 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:28:31,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 664 [2021-03-26 05:28:31,990 INFO L480 AbstractCegarLoop]: Abstraction has has 716 places, 733 transitions, 24748 flow [2021-03-26 05:28:31,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:31,990 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:31,990 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:31,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable425 [2021-03-26 05:28:31,990 INFO L428 AbstractCegarLoop]: === Iteration 427 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:31,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:31,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1577558241, now seen corresponding path program 10 times [2021-03-26 05:28:31,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:31,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194994513] [2021-03-26 05:28:31,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:31,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:31,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:32,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:32,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:32,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:32,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:32,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:32,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:32,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:32,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:32,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:32,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:32,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:32,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:32,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:32,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:32,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:32,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:32,072 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:32,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:32,077 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:32,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:32,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194994513] [2021-03-26 05:28:32,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:32,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:28:32,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336603336] [2021-03-26 05:28:32,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:28:32,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:32,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:28:32,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:28:32,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:28:32,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 716 places, 733 transitions, 24748 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:32,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:32,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:28:32,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:33,245 INFO L129 PetriNetUnfolder]: 720/1798 cut-off events. [2021-03-26 05:28:33,245 INFO L130 PetriNetUnfolder]: For 164456/164460 co-relation queries the response was YES. [2021-03-26 05:28:33,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23449 conditions, 1798 events. 720/1798 cut-off events. For 164456/164460 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 13773 event pairs, 14 based on Foata normal form. 5/1524 useless extension candidates. Maximal degree in co-relation 23122. Up to 920 conditions per place. [2021-03-26 05:28:33,292 INFO L132 encePairwiseOnDemand]: 179/195 looper letters, 641 selfloop transitions, 87 changer transitions 0/746 dead transitions. [2021-03-26 05:28:33,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 728 places, 746 transitions, 26589 flow [2021-03-26 05:28:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:28:33,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:28:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 719 transitions. [2021-03-26 05:28:33,294 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.283629191321499 [2021-03-26 05:28:33,294 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 719 transitions. [2021-03-26 05:28:33,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 719 transitions. [2021-03-26 05:28:33,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:33,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 719 transitions. [2021-03-26 05:28:33,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.30769230769231) internal successors, (719), 13 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:33,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:33,296 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:33,296 INFO L185 Difference]: Start difference. First operand has 716 places, 733 transitions, 24748 flow. Second operand 13 states and 719 transitions. [2021-03-26 05:28:33,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 728 places, 746 transitions, 26589 flow [2021-03-26 05:28:34,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 723 places, 746 transitions, 26034 flow, removed 251 selfloop flow, removed 5 redundant places. [2021-03-26 05:28:34,949 INFO L241 Difference]: Finished difference. Result has 728 places, 740 transitions, 24793 flow [2021-03-26 05:28:34,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24193, PETRI_DIFFERENCE_MINUEND_PLACES=711, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=24793, PETRI_PLACES=728, PETRI_TRANSITIONS=740} [2021-03-26 05:28:34,949 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 675 predicate places. [2021-03-26 05:28:34,949 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:34,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 728 places, 740 transitions, 24793 flow [2021-03-26 05:28:34,949 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 728 places, 740 transitions, 24793 flow [2021-03-26 05:28:34,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 728 places, 740 transitions, 24793 flow [2021-03-26 05:28:35,422 INFO L129 PetriNetUnfolder]: 657/1690 cut-off events. [2021-03-26 05:28:35,423 INFO L130 PetriNetUnfolder]: For 150276/150338 co-relation queries the response was YES. [2021-03-26 05:28:35,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21128 conditions, 1690 events. 657/1690 cut-off events. For 150276/150338 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 13230 event pairs, 15 based on Foata normal form. 14/1439 useless extension candidates. Maximal degree in co-relation 20802. Up to 313 conditions per place. [2021-03-26 05:28:35,479 INFO L142 LiptonReduction]: Number of co-enabled transitions 3146 [2021-03-26 05:28:35,537 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:35,537 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:35,537 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 588 [2021-03-26 05:28:35,538 INFO L480 AbstractCegarLoop]: Abstraction has has 728 places, 740 transitions, 24793 flow [2021-03-26 05:28:35,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:35,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:35,538 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:35,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable426 [2021-03-26 05:28:35,538 INFO L428 AbstractCegarLoop]: === Iteration 428 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:35,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:35,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1609392966, now seen corresponding path program 1 times [2021-03-26 05:28:35,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:35,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366375559] [2021-03-26 05:28:35,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:35,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:35,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:35,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:35,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:35,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:35,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:35,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:35,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:35,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:35,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:35,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:35,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:35,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:35,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:35,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:35,594 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:35,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:35,607 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:35,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:35,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366375559] [2021-03-26 05:28:35,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:35,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 05:28:35,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840135546] [2021-03-26 05:28:35,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:28:35,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:35,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:28:35,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:28:35,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:28:35,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 728 places, 740 transitions, 24793 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:35,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:35,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:28:35,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:36,635 INFO L129 PetriNetUnfolder]: 730/1837 cut-off events. [2021-03-26 05:28:36,635 INFO L130 PetriNetUnfolder]: For 162482/162486 co-relation queries the response was YES. [2021-03-26 05:28:36,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23491 conditions, 1837 events. 730/1837 cut-off events. For 162482/162486 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 14256 event pairs, 8 based on Foata normal form. 5/1551 useless extension candidates. Maximal degree in co-relation 23161. Up to 891 conditions per place. [2021-03-26 05:28:36,684 INFO L132 encePairwiseOnDemand]: 177/195 looper letters, 611 selfloop transitions, 111 changer transitions 16/756 dead transitions. [2021-03-26 05:28:36,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 735 places, 756 transitions, 26973 flow [2021-03-26 05:28:36,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 05:28:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 05:28:36,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 468 transitions. [2021-03-26 05:28:36,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3 [2021-03-26 05:28:36,686 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 468 transitions. [2021-03-26 05:28:36,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 468 transitions. [2021-03-26 05:28:36,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:36,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 468 transitions. [2021-03-26 05:28:36,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.5) internal successors, (468), 8 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:36,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 195.0) internal successors, (1755), 9 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:36,687 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 195.0) internal successors, (1755), 9 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:36,687 INFO L185 Difference]: Start difference. First operand has 728 places, 740 transitions, 24793 flow. Second operand 8 states and 468 transitions. [2021-03-26 05:28:36,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 735 places, 756 transitions, 26973 flow [2021-03-26 05:28:38,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 756 transitions, 26731 flow, removed 89 selfloop flow, removed 4 redundant places. [2021-03-26 05:28:38,322 INFO L241 Difference]: Finished difference. Result has 735 places, 729 transitions, 24580 flow [2021-03-26 05:28:38,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24551, PETRI_DIFFERENCE_MINUEND_PLACES=724, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=740, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=24580, PETRI_PLACES=735, PETRI_TRANSITIONS=729} [2021-03-26 05:28:38,323 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 682 predicate places. [2021-03-26 05:28:38,323 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:38,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 735 places, 729 transitions, 24580 flow [2021-03-26 05:28:38,323 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 735 places, 729 transitions, 24580 flow [2021-03-26 05:28:38,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 734 places, 729 transitions, 24580 flow [2021-03-26 05:28:38,738 INFO L129 PetriNetUnfolder]: 665/1703 cut-off events. [2021-03-26 05:28:38,738 INFO L130 PetriNetUnfolder]: For 151100/151183 co-relation queries the response was YES. [2021-03-26 05:28:38,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21365 conditions, 1703 events. 665/1703 cut-off events. For 151100/151183 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 13315 event pairs, 21 based on Foata normal form. 20/1449 useless extension candidates. Maximal degree in co-relation 21036. Up to 317 conditions per place. [2021-03-26 05:28:38,808 INFO L142 LiptonReduction]: Number of co-enabled transitions 3050 [2021-03-26 05:28:38,871 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:38,871 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:38,871 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 548 [2021-03-26 05:28:38,871 INFO L480 AbstractCegarLoop]: Abstraction has has 734 places, 729 transitions, 24580 flow [2021-03-26 05:28:38,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:38,871 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:38,871 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:38,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable427 [2021-03-26 05:28:38,871 INFO L428 AbstractCegarLoop]: === Iteration 429 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:38,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:38,872 INFO L82 PathProgramCache]: Analyzing trace with hash -553518003, now seen corresponding path program 11 times [2021-03-26 05:28:38,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:38,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846015117] [2021-03-26 05:28:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:38,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:38,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:38,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:38,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:38,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:38,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:38,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:38,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:38,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:38,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:38,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:38,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:38,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:38,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:38,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:38,968 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:28:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:38,974 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:38,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:38,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846015117] [2021-03-26 05:28:38,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:38,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:28:38,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046173011] [2021-03-26 05:28:38,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:28:38,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:38,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:28:38,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:28:38,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:28:38,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 734 places, 729 transitions, 24580 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:38,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:38,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:28:38,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:40,133 INFO L129 PetriNetUnfolder]: 719/1802 cut-off events. [2021-03-26 05:28:40,133 INFO L130 PetriNetUnfolder]: For 163723/163727 co-relation queries the response was YES. [2021-03-26 05:28:40,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23486 conditions, 1802 events. 719/1802 cut-off events. For 163723/163727 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 13803 event pairs, 14 based on Foata normal form. 5/1524 useless extension candidates. Maximal degree in co-relation 23153. Up to 919 conditions per place. [2021-03-26 05:28:40,181 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 644 selfloop transitions, 70 changer transitions 6/738 dead transitions. [2021-03-26 05:28:40,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 738 transitions, 26522 flow [2021-03-26 05:28:40,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:28:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:28:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 759 transitions. [2021-03-26 05:28:40,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27802197802197803 [2021-03-26 05:28:40,183 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 759 transitions. [2021-03-26 05:28:40,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 759 transitions. [2021-03-26 05:28:40,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:40,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 759 transitions. [2021-03-26 05:28:40,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.214285714285715) internal successors, (759), 14 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:40,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 195.0) internal successors, (2925), 15 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:40,184 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 195.0) internal successors, (2925), 15 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:40,184 INFO L185 Difference]: Start difference. First operand has 734 places, 729 transitions, 24580 flow. Second operand 14 states and 759 transitions. [2021-03-26 05:28:40,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 738 transitions, 26522 flow [2021-03-26 05:28:41,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 732 places, 738 transitions, 26199 flow, removed 17 selfloop flow, removed 15 redundant places. [2021-03-26 05:28:41,749 INFO L241 Difference]: Finished difference. Result has 736 places, 727 transitions, 24334 flow [2021-03-26 05:28:41,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24257, PETRI_DIFFERENCE_MINUEND_PLACES=719, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=24334, PETRI_PLACES=736, PETRI_TRANSITIONS=727} [2021-03-26 05:28:41,749 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 683 predicate places. [2021-03-26 05:28:41,749 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:41,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 736 places, 727 transitions, 24334 flow [2021-03-26 05:28:41,749 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 736 places, 727 transitions, 24334 flow [2021-03-26 05:28:41,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 736 places, 727 transitions, 24334 flow [2021-03-26 05:28:42,185 INFO L129 PetriNetUnfolder]: 655/1688 cut-off events. [2021-03-26 05:28:42,185 INFO L130 PetriNetUnfolder]: For 159483/159538 co-relation queries the response was YES. [2021-03-26 05:28:42,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21126 conditions, 1688 events. 655/1688 cut-off events. For 159483/159538 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 13270 event pairs, 12 based on Foata normal form. 19/1436 useless extension candidates. Maximal degree in co-relation 20798. Up to 313 conditions per place. [2021-03-26 05:28:42,254 INFO L142 LiptonReduction]: Number of co-enabled transitions 3050 [2021-03-26 05:28:42,317 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:42,317 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:42,317 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 568 [2021-03-26 05:28:42,317 INFO L480 AbstractCegarLoop]: Abstraction has has 736 places, 727 transitions, 24334 flow [2021-03-26 05:28:42,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:42,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:42,318 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:42,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable428 [2021-03-26 05:28:42,318 INFO L428 AbstractCegarLoop]: === Iteration 430 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:42,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:42,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1712969647, now seen corresponding path program 12 times [2021-03-26 05:28:42,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:42,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489951975] [2021-03-26 05:28:42,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:42,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:42,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:42,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:42,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:42,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:42,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:42,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:42,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:42,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:42,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:42,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:42,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:42,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:42,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:42,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:42,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:42,414 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 05:28:42,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:28:42,417 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:42,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:42,433 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:42,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:42,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489951975] [2021-03-26 05:28:42,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:42,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:28:42,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511548595] [2021-03-26 05:28:42,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:28:42,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:42,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:28:42,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:28:42,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:28:42,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 736 places, 727 transitions, 24334 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:42,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:42,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:28:42,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:43,623 INFO L129 PetriNetUnfolder]: 718/1804 cut-off events. [2021-03-26 05:28:43,623 INFO L130 PetriNetUnfolder]: For 161964/161970 co-relation queries the response was YES. [2021-03-26 05:28:43,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23359 conditions, 1804 events. 718/1804 cut-off events. For 161964/161970 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 13904 event pairs, 10 based on Foata normal form. 7/1526 useless extension candidates. Maximal degree in co-relation 23027. Up to 905 conditions per place. [2021-03-26 05:28:43,674 INFO L132 encePairwiseOnDemand]: 177/195 looper letters, 631 selfloop transitions, 92 changer transitions 0/741 dead transitions. [2021-03-26 05:28:43,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 741 transitions, 26432 flow [2021-03-26 05:28:43,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:28:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:28:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 663 transitions. [2021-03-26 05:28:43,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2833333333333333 [2021-03-26 05:28:43,675 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 663 transitions. [2021-03-26 05:28:43,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 663 transitions. [2021-03-26 05:28:43,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:43,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 663 transitions. [2021-03-26 05:28:43,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.25) internal successors, (663), 12 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:43,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:43,677 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:43,677 INFO L185 Difference]: Start difference. First operand has 736 places, 727 transitions, 24334 flow. Second operand 12 states and 663 transitions. [2021-03-26 05:28:43,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 741 transitions, 26432 flow [2021-03-26 05:28:45,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 740 places, 741 transitions, 26212 flow, removed 74 selfloop flow, removed 7 redundant places. [2021-03-26 05:28:45,445 INFO L241 Difference]: Finished difference. Result has 742 places, 734 transitions, 24956 flow [2021-03-26 05:28:45,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24114, PETRI_DIFFERENCE_MINUEND_PLACES=729, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=727, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=24956, PETRI_PLACES=742, PETRI_TRANSITIONS=734} [2021-03-26 05:28:45,446 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 689 predicate places. [2021-03-26 05:28:45,446 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:45,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 742 places, 734 transitions, 24956 flow [2021-03-26 05:28:45,446 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 742 places, 734 transitions, 24956 flow [2021-03-26 05:28:45,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 742 places, 734 transitions, 24956 flow [2021-03-26 05:28:45,854 INFO L129 PetriNetUnfolder]: 666/1725 cut-off events. [2021-03-26 05:28:45,855 INFO L130 PetriNetUnfolder]: For 162040/162046 co-relation queries the response was YES. [2021-03-26 05:28:45,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21613 conditions, 1725 events. 666/1725 cut-off events. For 162040/162046 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 13621 event pairs, 17 based on Foata normal form. 3/1456 useless extension candidates. Maximal degree in co-relation 21284. Up to 322 conditions per place. [2021-03-26 05:28:45,922 INFO L142 LiptonReduction]: Number of co-enabled transitions 3108 [2021-03-26 05:28:45,986 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:45,986 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:45,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 540 [2021-03-26 05:28:45,986 INFO L480 AbstractCegarLoop]: Abstraction has has 742 places, 734 transitions, 24956 flow [2021-03-26 05:28:45,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:45,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:45,986 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:45,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable429 [2021-03-26 05:28:45,987 INFO L428 AbstractCegarLoop]: === Iteration 431 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:45,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:45,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1815351671, now seen corresponding path program 13 times [2021-03-26 05:28:45,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:45,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626590119] [2021-03-26 05:28:45,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:45,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:45,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:45,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:45,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:46,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:46,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:46,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:46,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:46,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:46,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:46,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:46,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:46,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:46,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:46,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:46,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:46,079 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:28:46,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:46,085 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:46,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:46,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626590119] [2021-03-26 05:28:46,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:46,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:28:46,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479060643] [2021-03-26 05:28:46,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:28:46,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:46,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:28:46,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:28:46,088 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:28:46,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 742 places, 734 transitions, 24956 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:46,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:46,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:28:46,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:47,197 INFO L129 PetriNetUnfolder]: 716/1809 cut-off events. [2021-03-26 05:28:47,197 INFO L130 PetriNetUnfolder]: For 170874/170878 co-relation queries the response was YES. [2021-03-26 05:28:47,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23639 conditions, 1809 events. 716/1809 cut-off events. For 170874/170878 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 13969 event pairs, 15 based on Foata normal form. 5/1531 useless extension candidates. Maximal degree in co-relation 23306. Up to 930 conditions per place. [2021-03-26 05:28:47,248 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 665 selfloop transitions, 55 changer transitions 5/743 dead transitions. [2021-03-26 05:28:47,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 752 places, 743 transitions, 26924 flow [2021-03-26 05:28:47,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:28:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:28:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 605 transitions. [2021-03-26 05:28:47,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28205128205128205 [2021-03-26 05:28:47,249 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 605 transitions. [2021-03-26 05:28:47,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 605 transitions. [2021-03-26 05:28:47,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:47,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 605 transitions. [2021-03-26 05:28:47,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.0) internal successors, (605), 11 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:47,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:47,251 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:47,251 INFO L185 Difference]: Start difference. First operand has 742 places, 734 transitions, 24956 flow. Second operand 11 states and 605 transitions. [2021-03-26 05:28:47,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 752 places, 743 transitions, 26924 flow [2021-03-26 05:28:48,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 747 places, 743 transitions, 26326 flow, removed 282 selfloop flow, removed 5 redundant places. [2021-03-26 05:28:48,811 INFO L241 Difference]: Finished difference. Result has 751 places, 733 transitions, 24506 flow [2021-03-26 05:28:48,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24362, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=679, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=24506, PETRI_PLACES=751, PETRI_TRANSITIONS=733} [2021-03-26 05:28:48,812 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 698 predicate places. [2021-03-26 05:28:48,812 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:48,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 751 places, 733 transitions, 24506 flow [2021-03-26 05:28:48,812 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 751 places, 733 transitions, 24506 flow [2021-03-26 05:28:48,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 750 places, 733 transitions, 24506 flow [2021-03-26 05:28:49,231 INFO L129 PetriNetUnfolder]: 662/1720 cut-off events. [2021-03-26 05:28:49,231 INFO L130 PetriNetUnfolder]: For 160523/160551 co-relation queries the response was YES. [2021-03-26 05:28:49,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21103 conditions, 1720 events. 662/1720 cut-off events. For 160523/160551 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 13627 event pairs, 15 based on Foata normal form. 15/1458 useless extension candidates. Maximal degree in co-relation 20769. Up to 307 conditions per place. [2021-03-26 05:28:49,297 INFO L142 LiptonReduction]: Number of co-enabled transitions 3108 [2021-03-26 05:28:49,352 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:49,352 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:49,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 540 [2021-03-26 05:28:49,353 INFO L480 AbstractCegarLoop]: Abstraction has has 750 places, 733 transitions, 24506 flow [2021-03-26 05:28:49,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:49,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:49,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:49,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable430 [2021-03-26 05:28:49,353 INFO L428 AbstractCegarLoop]: === Iteration 432 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:49,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:49,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1471779765, now seen corresponding path program 14 times [2021-03-26 05:28:49,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:49,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976341979] [2021-03-26 05:28:49,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:49,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:49,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:49,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:49,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:49,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:49,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:49,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:49,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:49,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:49,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:49,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:49,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:49,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:49,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:49,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:49,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:49,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:49,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:49,434 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:49,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:49,439 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:49,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:49,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976341979] [2021-03-26 05:28:49,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:49,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 05:28:49,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850073685] [2021-03-26 05:28:49,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:28:49,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:49,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:28:49,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:28:49,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:28:49,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 750 places, 733 transitions, 24506 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:49,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:49,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:28:49,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:50,482 INFO L129 PetriNetUnfolder]: 716/1816 cut-off events. [2021-03-26 05:28:50,482 INFO L130 PetriNetUnfolder]: For 166857/166861 co-relation queries the response was YES. [2021-03-26 05:28:50,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23364 conditions, 1816 events. 716/1816 cut-off events. For 166857/166861 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 14070 event pairs, 15 based on Foata normal form. 5/1536 useless extension candidates. Maximal degree in co-relation 23026. Up to 931 conditions per place. [2021-03-26 05:28:50,530 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 667 selfloop transitions, 56 changer transitions 0/741 dead transitions. [2021-03-26 05:28:50,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 760 places, 741 transitions, 26234 flow [2021-03-26 05:28:50,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:28:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:28:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 604 transitions. [2021-03-26 05:28:50,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2815850815850816 [2021-03-26 05:28:50,532 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 604 transitions. [2021-03-26 05:28:50,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 604 transitions. [2021-03-26 05:28:50,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:50,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 604 transitions. [2021-03-26 05:28:50,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.90909090909091) internal successors, (604), 11 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:50,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:50,534 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:50,534 INFO L185 Difference]: Start difference. First operand has 750 places, 733 transitions, 24506 flow. Second operand 11 states and 604 transitions. [2021-03-26 05:28:50,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 760 places, 741 transitions, 26234 flow [2021-03-26 05:28:52,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 747 places, 741 transitions, 26056 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-26 05:28:52,248 INFO L241 Difference]: Finished difference. Result has 751 places, 737 transitions, 24727 flow [2021-03-26 05:28:52,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24332, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=677, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=24727, PETRI_PLACES=751, PETRI_TRANSITIONS=737} [2021-03-26 05:28:52,249 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 698 predicate places. [2021-03-26 05:28:52,249 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:52,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 751 places, 737 transitions, 24727 flow [2021-03-26 05:28:52,249 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 751 places, 737 transitions, 24727 flow [2021-03-26 05:28:52,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 751 places, 737 transitions, 24727 flow [2021-03-26 05:28:52,683 INFO L129 PetriNetUnfolder]: 668/1744 cut-off events. [2021-03-26 05:28:52,683 INFO L130 PetriNetUnfolder]: For 160076/160082 co-relation queries the response was YES. [2021-03-26 05:28:52,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21448 conditions, 1744 events. 668/1744 cut-off events. For 160076/160082 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 13909 event pairs, 15 based on Foata normal form. 3/1469 useless extension candidates. Maximal degree in co-relation 21114. Up to 316 conditions per place. [2021-03-26 05:28:52,755 INFO L142 LiptonReduction]: Number of co-enabled transitions 3142 [2021-03-26 05:28:52,819 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:52,819 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:52,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 570 [2021-03-26 05:28:52,819 INFO L480 AbstractCegarLoop]: Abstraction has has 751 places, 737 transitions, 24727 flow [2021-03-26 05:28:52,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:52,819 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:52,819 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:52,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable431 [2021-03-26 05:28:52,819 INFO L428 AbstractCegarLoop]: === Iteration 433 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:52,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:52,820 INFO L82 PathProgramCache]: Analyzing trace with hash -551718655, now seen corresponding path program 15 times [2021-03-26 05:28:52,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:52,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055998649] [2021-03-26 05:28:52,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:52,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:52,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:52,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:52,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:52,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:52,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:52,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:52,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:52,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:52,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:52,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:52,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:52,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:52,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:52,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:52,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:52,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:52,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:52,918 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:28:52,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:52,922 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:52,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:52,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055998649] [2021-03-26 05:28:52,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:52,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:28:52,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511604183] [2021-03-26 05:28:52,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:28:52,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:52,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:28:52,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:28:52,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:28:52,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 751 places, 737 transitions, 24727 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:52,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:52,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:28:52,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:54,062 INFO L129 PetriNetUnfolder]: 727/1855 cut-off events. [2021-03-26 05:28:54,063 INFO L130 PetriNetUnfolder]: For 164897/164912 co-relation queries the response was YES. [2021-03-26 05:28:54,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23429 conditions, 1855 events. 727/1855 cut-off events. For 164897/164912 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 14616 event pairs, 12 based on Foata normal form. 16/1573 useless extension candidates. Maximal degree in co-relation 23091. Up to 920 conditions per place. [2021-03-26 05:28:54,112 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 653 selfloop transitions, 73 changer transitions 0/744 dead transitions. [2021-03-26 05:28:54,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 763 places, 744 transitions, 26433 flow [2021-03-26 05:28:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:28:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:28:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 704 transitions. [2021-03-26 05:28:54,114 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2777120315581854 [2021-03-26 05:28:54,114 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 704 transitions. [2021-03-26 05:28:54,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 704 transitions. [2021-03-26 05:28:54,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:54,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 704 transitions. [2021-03-26 05:28:54,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.15384615384615) internal successors, (704), 13 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:54,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:54,115 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:54,115 INFO L185 Difference]: Start difference. First operand has 751 places, 737 transitions, 24727 flow. Second operand 13 states and 704 transitions. [2021-03-26 05:28:54,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 763 places, 744 transitions, 26433 flow [2021-03-26 05:28:55,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 756 places, 744 transitions, 26008 flow, removed 162 selfloop flow, removed 7 redundant places. [2021-03-26 05:28:55,815 INFO L241 Difference]: Finished difference. Result has 760 places, 740 transitions, 24730 flow [2021-03-26 05:28:55,815 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24302, PETRI_DIFFERENCE_MINUEND_PLACES=744, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=737, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=664, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=24730, PETRI_PLACES=760, PETRI_TRANSITIONS=740} [2021-03-26 05:28:55,816 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 707 predicate places. [2021-03-26 05:28:55,816 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:55,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 760 places, 740 transitions, 24730 flow [2021-03-26 05:28:55,816 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 760 places, 740 transitions, 24730 flow [2021-03-26 05:28:55,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 760 places, 740 transitions, 24730 flow [2021-03-26 05:28:56,254 INFO L129 PetriNetUnfolder]: 668/1755 cut-off events. [2021-03-26 05:28:56,254 INFO L130 PetriNetUnfolder]: For 161673/161710 co-relation queries the response was YES. [2021-03-26 05:28:56,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21213 conditions, 1755 events. 668/1755 cut-off events. For 161673/161710 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 14085 event pairs, 10 based on Foata normal form. 17/1487 useless extension candidates. Maximal degree in co-relation 20875. Up to 309 conditions per place. [2021-03-26 05:28:56,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 3172 [2021-03-26 05:28:56,393 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:28:56,393 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:28:56,393 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 577 [2021-03-26 05:28:56,393 INFO L480 AbstractCegarLoop]: Abstraction has has 760 places, 740 transitions, 24730 flow [2021-03-26 05:28:56,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:56,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:28:56,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:28:56,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable432 [2021-03-26 05:28:56,394 INFO L428 AbstractCegarLoop]: === Iteration 434 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:28:56,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:28:56,394 INFO L82 PathProgramCache]: Analyzing trace with hash 606318515, now seen corresponding path program 16 times [2021-03-26 05:28:56,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:28:56,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836399167] [2021-03-26 05:28:56,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:28:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:28:56,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:56,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:28:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:56,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:28:56,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:56,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:56,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:56,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:28:56,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:56,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:56,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:56,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:56,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:56,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:56,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:56,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:56,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:28:56,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:28:56,490 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:28:56,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:28:56,507 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:28:56,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:28:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:28:56,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836399167] [2021-03-26 05:28:56,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:28:56,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:28:56,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507177557] [2021-03-26 05:28:56,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:28:56,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:28:56,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:28:56,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:28:56,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:28:56,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 760 places, 740 transitions, 24730 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:56,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:28:56,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:28:56,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:28:57,814 INFO L129 PetriNetUnfolder]: 726/1860 cut-off events. [2021-03-26 05:28:57,814 INFO L130 PetriNetUnfolder]: For 167609/167615 co-relation queries the response was YES. [2021-03-26 05:28:57,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23609 conditions, 1860 events. 726/1860 cut-off events. For 167609/167615 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14703 event pairs, 14 based on Foata normal form. 7/1570 useless extension candidates. Maximal degree in co-relation 23267. Up to 918 conditions per place. [2021-03-26 05:28:57,859 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 655 selfloop transitions, 69 changer transitions 10/752 dead transitions. [2021-03-26 05:28:57,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 773 places, 752 transitions, 26783 flow [2021-03-26 05:28:57,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:28:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:28:57,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 763 transitions. [2021-03-26 05:28:57,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2794871794871795 [2021-03-26 05:28:57,861 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 763 transitions. [2021-03-26 05:28:57,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 763 transitions. [2021-03-26 05:28:57,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:28:57,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 763 transitions. [2021-03-26 05:28:57,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.5) internal successors, (763), 14 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:57,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 195.0) internal successors, (2925), 15 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:57,862 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 195.0) internal successors, (2925), 15 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:28:57,862 INFO L185 Difference]: Start difference. First operand has 760 places, 740 transitions, 24730 flow. Second operand 14 states and 763 transitions. [2021-03-26 05:28:57,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 773 places, 752 transitions, 26783 flow [2021-03-26 05:28:59,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 752 transitions, 26336 flow, removed 172 selfloop flow, removed 9 redundant places. [2021-03-26 05:28:59,500 INFO L241 Difference]: Finished difference. Result has 768 places, 735 transitions, 24267 flow [2021-03-26 05:28:59,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24289, PETRI_DIFFERENCE_MINUEND_PLACES=751, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=740, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=671, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=24267, PETRI_PLACES=768, PETRI_TRANSITIONS=735} [2021-03-26 05:28:59,501 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 715 predicate places. [2021-03-26 05:28:59,501 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:28:59,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 768 places, 735 transitions, 24267 flow [2021-03-26 05:28:59,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 768 places, 735 transitions, 24267 flow [2021-03-26 05:28:59,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 735 transitions, 24267 flow [2021-03-26 05:28:59,938 INFO L129 PetriNetUnfolder]: 662/1732 cut-off events. [2021-03-26 05:28:59,938 INFO L130 PetriNetUnfolder]: For 158349/158354 co-relation queries the response was YES. [2021-03-26 05:28:59,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21363 conditions, 1732 events. 662/1732 cut-off events. For 158349/158354 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 13825 event pairs, 19 based on Foata normal form. 2/1461 useless extension candidates. Maximal degree in co-relation 21039. Up to 313 conditions per place. [2021-03-26 05:29:00,015 INFO L142 LiptonReduction]: Number of co-enabled transitions 3148 [2021-03-26 05:29:00,080 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:00,080 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:29:00,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 579 [2021-03-26 05:29:00,081 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 735 transitions, 24267 flow [2021-03-26 05:29:00,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:00,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:00,081 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:00,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable433 [2021-03-26 05:29:00,081 INFO L428 AbstractCegarLoop]: === Iteration 435 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:00,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:00,081 INFO L82 PathProgramCache]: Analyzing trace with hash 532272825, now seen corresponding path program 17 times [2021-03-26 05:29:00,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:00,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463980122] [2021-03-26 05:29:00,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:00,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:00,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:00,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:00,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:00,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:00,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:00,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:00,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:00,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:00,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:00,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:00,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:00,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:00,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:00,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:00,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:00,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:00,180 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:29:00,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:00,184 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:29:00,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:00,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463980122] [2021-03-26 05:29:00,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:00,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:29:00,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445789432] [2021-03-26 05:29:00,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:29:00,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:00,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:29:00,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:29:00,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:29:00,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 735 transitions, 24267 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:00,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:00,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:29:00,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:01,384 INFO L129 PetriNetUnfolder]: 717/1829 cut-off events. [2021-03-26 05:29:01,384 INFO L130 PetriNetUnfolder]: For 161926/161939 co-relation queries the response was YES. [2021-03-26 05:29:01,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23213 conditions, 1829 events. 717/1829 cut-off events. For 161926/161939 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 14291 event pairs, 16 based on Foata normal form. 14/1553 useless extension candidates. Maximal degree in co-relation 22887. Up to 914 conditions per place. [2021-03-26 05:29:01,435 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 646 selfloop transitions, 79 changer transitions 0/743 dead transitions. [2021-03-26 05:29:01,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 778 places, 743 transitions, 25949 flow [2021-03-26 05:29:01,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 05:29:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 05:29:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 762 transitions. [2021-03-26 05:29:01,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27912087912087913 [2021-03-26 05:29:01,437 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 762 transitions. [2021-03-26 05:29:01,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 762 transitions. [2021-03-26 05:29:01,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:01,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 762 transitions. [2021-03-26 05:29:01,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.42857142857143) internal successors, (762), 14 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:01,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 195.0) internal successors, (2925), 15 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:01,438 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 195.0) internal successors, (2925), 15 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:01,438 INFO L185 Difference]: Start difference. First operand has 765 places, 735 transitions, 24267 flow. Second operand 14 states and 762 transitions. [2021-03-26 05:29:01,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 778 places, 743 transitions, 25949 flow [2021-03-26 05:29:03,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 759 places, 743 transitions, 25711 flow, removed 13 selfloop flow, removed 19 redundant places. [2021-03-26 05:29:03,267 INFO L241 Difference]: Finished difference. Result has 762 places, 737 transitions, 24420 flow [2021-03-26 05:29:03,267 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24033, PETRI_DIFFERENCE_MINUEND_PLACES=746, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=24420, PETRI_PLACES=762, PETRI_TRANSITIONS=737} [2021-03-26 05:29:03,267 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 709 predicate places. [2021-03-26 05:29:03,268 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:03,268 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 762 places, 737 transitions, 24420 flow [2021-03-26 05:29:03,268 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 762 places, 737 transitions, 24420 flow [2021-03-26 05:29:03,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 762 places, 737 transitions, 24420 flow [2021-03-26 05:29:03,707 INFO L129 PetriNetUnfolder]: 663/1740 cut-off events. [2021-03-26 05:29:03,707 INFO L130 PetriNetUnfolder]: For 158129/158156 co-relation queries the response was YES. [2021-03-26 05:29:03,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21107 conditions, 1740 events. 663/1740 cut-off events. For 158129/158156 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 13904 event pairs, 11 based on Foata normal form. 14/1473 useless extension candidates. Maximal degree in co-relation 20770. Up to 307 conditions per place. [2021-03-26 05:29:03,778 INFO L142 LiptonReduction]: Number of co-enabled transitions 3168 [2021-03-26 05:29:03,840 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:03,841 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:29:03,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 573 [2021-03-26 05:29:03,841 INFO L480 AbstractCegarLoop]: Abstraction has has 762 places, 737 transitions, 24420 flow [2021-03-26 05:29:03,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:03,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:03,841 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:03,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434 [2021-03-26 05:29:03,841 INFO L428 AbstractCegarLoop]: === Iteration 436 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:03,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:03,841 INFO L82 PathProgramCache]: Analyzing trace with hash -959766887, now seen corresponding path program 18 times [2021-03-26 05:29:03,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:03,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801210677] [2021-03-26 05:29:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:03,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:03,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:03,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:03,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:03,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:03,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:03,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:03,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:03,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:03,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:03,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:03,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:03,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:03,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:03,937 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:29:03,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:03,954 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:29:03,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:03,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801210677] [2021-03-26 05:29:03,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:03,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:29:03,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362212919] [2021-03-26 05:29:03,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:29:03,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:03,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:29:03,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:29:03,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:29:03,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 762 places, 737 transitions, 24420 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:03,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:03,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:29:03,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:05,267 INFO L129 PetriNetUnfolder]: 740/1896 cut-off events. [2021-03-26 05:29:05,268 INFO L130 PetriNetUnfolder]: For 173965/173971 co-relation queries the response was YES. [2021-03-26 05:29:05,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24246 conditions, 1896 events. 740/1896 cut-off events. For 173965/173971 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 15078 event pairs, 4 based on Foata normal form. 7/1597 useless extension candidates. Maximal degree in co-relation 23905. Up to 882 conditions per place. [2021-03-26 05:29:05,320 INFO L132 encePairwiseOnDemand]: 177/195 looper letters, 605 selfloop transitions, 133 changer transitions 17/773 dead transitions. [2021-03-26 05:29:05,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 777 places, 773 transitions, 28645 flow [2021-03-26 05:29:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 05:29:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 05:29:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 867 transitions. [2021-03-26 05:29:05,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2778846153846154 [2021-03-26 05:29:05,322 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 867 transitions. [2021-03-26 05:29:05,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 867 transitions. [2021-03-26 05:29:05,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:05,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 867 transitions. [2021-03-26 05:29:05,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.1875) internal successors, (867), 16 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:05,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 195.0) internal successors, (3315), 17 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:05,324 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 195.0) internal successors, (3315), 17 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:05,324 INFO L185 Difference]: Start difference. First operand has 762 places, 737 transitions, 24420 flow. Second operand 16 states and 867 transitions. [2021-03-26 05:29:05,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 777 places, 773 transitions, 28645 flow [2021-03-26 05:29:07,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 768 places, 773 transitions, 28368 flow, removed 74 selfloop flow, removed 9 redundant places. [2021-03-26 05:29:07,089 INFO L241 Difference]: Finished difference. Result has 771 places, 750 transitions, 26464 flow [2021-03-26 05:29:07,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24151, PETRI_DIFFERENCE_MINUEND_PLACES=753, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=737, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=26464, PETRI_PLACES=771, PETRI_TRANSITIONS=750} [2021-03-26 05:29:07,090 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 718 predicate places. [2021-03-26 05:29:07,090 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:07,090 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 771 places, 750 transitions, 26464 flow [2021-03-26 05:29:07,090 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 771 places, 750 transitions, 26464 flow [2021-03-26 05:29:07,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 769 places, 750 transitions, 26464 flow [2021-03-26 05:29:07,571 INFO L129 PetriNetUnfolder]: 677/1773 cut-off events. [2021-03-26 05:29:07,571 INFO L130 PetriNetUnfolder]: For 164724/164785 co-relation queries the response was YES. [2021-03-26 05:29:07,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22359 conditions, 1773 events. 677/1773 cut-off events. For 164724/164785 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 14206 event pairs, 3 based on Foata normal form. 8/1491 useless extension candidates. Maximal degree in co-relation 22019. Up to 329 conditions per place. [2021-03-26 05:29:07,648 INFO L142 LiptonReduction]: Number of co-enabled transitions 3198 [2021-03-26 05:29:07,708 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:07,708 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:29:07,708 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 618 [2021-03-26 05:29:07,709 INFO L480 AbstractCegarLoop]: Abstraction has has 769 places, 750 transitions, 26464 flow [2021-03-26 05:29:07,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:07,709 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:07,709 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:07,709 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable435 [2021-03-26 05:29:07,709 INFO L428 AbstractCegarLoop]: === Iteration 437 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:07,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:07,709 INFO L82 PathProgramCache]: Analyzing trace with hash 407616543, now seen corresponding path program 19 times [2021-03-26 05:29:07,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:07,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472537435] [2021-03-26 05:29:07,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:07,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:07,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:07,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:07,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:07,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:07,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:07,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:07,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:07,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:07,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:07,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:07,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:07,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:07,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:07,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:07,789 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:29:07,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:29:07,805 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:29:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:07,810 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:29:07,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:07,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472537435] [2021-03-26 05:29:07,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:07,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:29:07,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345436109] [2021-03-26 05:29:07,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:29:07,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:07,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:29:07,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:29:07,814 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:29:07,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 750 transitions, 26464 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:07,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:07,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:29:07,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:08,967 INFO L129 PetriNetUnfolder]: 721/1845 cut-off events. [2021-03-26 05:29:08,967 INFO L130 PetriNetUnfolder]: For 173385/173391 co-relation queries the response was YES. [2021-03-26 05:29:09,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24015 conditions, 1845 events. 721/1845 cut-off events. For 173385/173391 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 14545 event pairs, 6 based on Foata normal form. 7/1557 useless extension candidates. Maximal degree in co-relation 23671. Up to 932 conditions per place. [2021-03-26 05:29:09,019 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 677 selfloop transitions, 59 changer transitions 2/756 dead transitions. [2021-03-26 05:29:09,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 781 places, 756 transitions, 28074 flow [2021-03-26 05:29:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:29:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:29:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 05:29:09,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2781065088757396 [2021-03-26 05:29:09,021 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 05:29:09,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 05:29:09,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:09,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 05:29:09,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:09,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:09,022 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:09,022 INFO L185 Difference]: Start difference. First operand has 769 places, 750 transitions, 26464 flow. Second operand 13 states and 705 transitions. [2021-03-26 05:29:09,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 781 places, 756 transitions, 28074 flow [2021-03-26 05:29:10,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 756 transitions, 25883 flow, removed 1025 selfloop flow, removed 12 redundant places. [2021-03-26 05:29:10,674 INFO L241 Difference]: Finished difference. Result has 771 places, 749 transitions, 24357 flow [2021-03-26 05:29:10,674 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24275, PETRI_DIFFERENCE_MINUEND_PLACES=757, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=24357, PETRI_PLACES=771, PETRI_TRANSITIONS=749} [2021-03-26 05:29:10,674 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 718 predicate places. [2021-03-26 05:29:10,674 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:10,674 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 771 places, 749 transitions, 24357 flow [2021-03-26 05:29:10,675 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 771 places, 749 transitions, 24357 flow [2021-03-26 05:29:10,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 771 places, 749 transitions, 24357 flow [2021-03-26 05:29:11,097 INFO L129 PetriNetUnfolder]: 671/1760 cut-off events. [2021-03-26 05:29:11,098 INFO L130 PetriNetUnfolder]: For 152295/152322 co-relation queries the response was YES. [2021-03-26 05:29:11,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20943 conditions, 1760 events. 671/1760 cut-off events. For 152295/152322 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 14138 event pairs, 6 based on Foata normal form. 14/1486 useless extension candidates. Maximal degree in co-relation 20604. Up to 299 conditions per place. [2021-03-26 05:29:11,170 INFO L142 LiptonReduction]: Number of co-enabled transitions 3198 [2021-03-26 05:29:11,236 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:11,236 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:29:11,236 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 562 [2021-03-26 05:29:11,236 INFO L480 AbstractCegarLoop]: Abstraction has has 771 places, 749 transitions, 24357 flow [2021-03-26 05:29:11,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:11,236 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:11,236 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:11,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable436 [2021-03-26 05:29:11,237 INFO L428 AbstractCegarLoop]: === Iteration 438 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:11,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:11,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1730206875, now seen corresponding path program 20 times [2021-03-26 05:29:11,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:11,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014515711] [2021-03-26 05:29:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:11,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:11,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:11,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:11,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:11,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:11,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:11,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:11,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:11,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:11,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:11,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:11,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:11,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:11,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:11,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:11,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:11,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:11,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:11,332 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:29:11,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:11,349 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:29:11,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:11,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:11,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014515711] [2021-03-26 05:29:11,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:11,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:29:11,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130430717] [2021-03-26 05:29:11,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:29:11,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:11,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:29:11,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:29:11,353 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:29:11,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 771 places, 749 transitions, 24357 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:11,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:11,353 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:29:11,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:12,472 INFO L129 PetriNetUnfolder]: 723/1862 cut-off events. [2021-03-26 05:29:12,472 INFO L130 PetriNetUnfolder]: For 160738/160751 co-relation queries the response was YES. [2021-03-26 05:29:12,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23031 conditions, 1862 events. 723/1862 cut-off events. For 160738/160751 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 14696 event pairs, 11 based on Foata normal form. 14/1579 useless extension candidates. Maximal degree in co-relation 22688. Up to 922 conditions per place. [2021-03-26 05:29:12,525 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 677 selfloop transitions, 67 changer transitions 0/762 dead transitions. [2021-03-26 05:29:12,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 783 places, 762 transitions, 26409 flow [2021-03-26 05:29:12,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:29:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:29:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 05:29:12,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27731755424063115 [2021-03-26 05:29:12,527 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 05:29:12,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 05:29:12,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:12,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 05:29:12,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:12,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:12,528 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:12,528 INFO L185 Difference]: Start difference. First operand has 771 places, 749 transitions, 24357 flow. Second operand 13 states and 703 transitions. [2021-03-26 05:29:12,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 783 places, 762 transitions, 26409 flow [2021-03-26 05:29:14,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 762 transitions, 26152 flow, removed 18 selfloop flow, removed 16 redundant places. [2021-03-26 05:29:14,144 INFO L241 Difference]: Finished difference. Result has 772 places, 756 transitions, 24642 flow [2021-03-26 05:29:14,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24104, PETRI_DIFFERENCE_MINUEND_PLACES=755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=24642, PETRI_PLACES=772, PETRI_TRANSITIONS=756} [2021-03-26 05:29:14,145 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 719 predicate places. [2021-03-26 05:29:14,145 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:14,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 772 places, 756 transitions, 24642 flow [2021-03-26 05:29:14,145 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 772 places, 756 transitions, 24642 flow [2021-03-26 05:29:14,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 772 places, 756 transitions, 24642 flow [2021-03-26 05:29:14,594 INFO L129 PetriNetUnfolder]: 679/1793 cut-off events. [2021-03-26 05:29:14,594 INFO L130 PetriNetUnfolder]: For 150439/150444 co-relation queries the response was YES. [2021-03-26 05:29:14,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21321 conditions, 1793 events. 679/1793 cut-off events. For 150439/150444 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 14461 event pairs, 8 based on Foata normal form. 2/1505 useless extension candidates. Maximal degree in co-relation 20980. Up to 308 conditions per place. [2021-03-26 05:29:14,669 INFO L142 LiptonReduction]: Number of co-enabled transitions 3242 [2021-03-26 05:29:14,737 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:14,737 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:29:14,737 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 592 [2021-03-26 05:29:14,737 INFO L480 AbstractCegarLoop]: Abstraction has has 772 places, 756 transitions, 24642 flow [2021-03-26 05:29:14,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:14,737 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:14,737 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:14,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable437 [2021-03-26 05:29:14,737 INFO L428 AbstractCegarLoop]: === Iteration 439 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:14,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:14,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1335290751, now seen corresponding path program 21 times [2021-03-26 05:29:14,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:14,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781673246] [2021-03-26 05:29:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:14,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:14,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:14,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:14,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:14,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:14,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:14,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:14,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:14,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:14,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:14,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:14,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:14,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:14,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:14,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:14,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:14,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:14,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:14,850 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:29:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:14,868 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:29:14,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:14,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781673246] [2021-03-26 05:29:14,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:14,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:29:14,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847259659] [2021-03-26 05:29:14,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:29:14,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:14,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:29:14,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:29:14,871 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:29:14,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 772 places, 756 transitions, 24642 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:14,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:14,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:29:14,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:16,193 INFO L129 PetriNetUnfolder]: 726/1879 cut-off events. [2021-03-26 05:29:16,193 INFO L130 PetriNetUnfolder]: For 160165/160169 co-relation queries the response was YES. [2021-03-26 05:29:16,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23077 conditions, 1879 events. 726/1879 cut-off events. For 160165/160169 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14932 event pairs, 11 based on Foata normal form. 5/1582 useless extension candidates. Maximal degree in co-relation 22732. Up to 917 conditions per place. [2021-03-26 05:29:16,240 INFO L132 encePairwiseOnDemand]: 177/195 looper letters, 647 selfloop transitions, 67 changer transitions 31/763 dead transitions. [2021-03-26 05:29:16,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 763 transitions, 26278 flow [2021-03-26 05:29:16,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 05:29:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 05:29:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 708 transitions. [2021-03-26 05:29:16,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27928994082840236 [2021-03-26 05:29:16,242 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 708 transitions. [2021-03-26 05:29:16,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 708 transitions. [2021-03-26 05:29:16,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:16,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 708 transitions. [2021-03-26 05:29:16,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.46153846153846) internal successors, (708), 13 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:16,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:16,244 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:16,244 INFO L185 Difference]: Start difference. First operand has 772 places, 756 transitions, 24642 flow. Second operand 13 states and 708 transitions. [2021-03-26 05:29:16,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 763 transitions, 26278 flow [2021-03-26 05:29:17,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 777 places, 763 transitions, 25807 flow, removed 188 selfloop flow, removed 7 redundant places. [2021-03-26 05:29:17,928 INFO L241 Difference]: Finished difference. Result has 779 places, 726 transitions, 23803 flow [2021-03-26 05:29:17,928 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=24229, PETRI_DIFFERENCE_MINUEND_PLACES=765, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=689, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=23803, PETRI_PLACES=779, PETRI_TRANSITIONS=726} [2021-03-26 05:29:17,928 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 726 predicate places. [2021-03-26 05:29:17,928 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:17,928 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 779 places, 726 transitions, 23803 flow [2021-03-26 05:29:17,928 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 779 places, 726 transitions, 23803 flow [2021-03-26 05:29:17,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 760 places, 726 transitions, 23803 flow [2021-03-26 05:29:18,317 INFO L129 PetriNetUnfolder]: 640/1669 cut-off events. [2021-03-26 05:29:18,317 INFO L130 PetriNetUnfolder]: For 145931/146013 co-relation queries the response was YES. [2021-03-26 05:29:18,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20324 conditions, 1669 events. 640/1669 cut-off events. For 145931/146013 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 13146 event pairs, 6 based on Foata normal form. 19/1420 useless extension candidates. Maximal degree in co-relation 19991. Up to 293 conditions per place. [2021-03-26 05:29:18,385 INFO L142 LiptonReduction]: Number of co-enabled transitions 3018 [2021-03-26 05:29:18,447 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:18,447 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:29:18,447 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 519 [2021-03-26 05:29:18,447 INFO L480 AbstractCegarLoop]: Abstraction has has 760 places, 726 transitions, 23803 flow [2021-03-26 05:29:18,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:18,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:18,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:18,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable438 [2021-03-26 05:29:18,447 INFO L428 AbstractCegarLoop]: === Iteration 440 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:18,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:18,447 INFO L82 PathProgramCache]: Analyzing trace with hash -517697855, now seen corresponding path program 22 times [2021-03-26 05:29:18,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:18,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241630718] [2021-03-26 05:29:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:18,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:18,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:18,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:18,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:18,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:18,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:18,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:18,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:18,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:18,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:18,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:18,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:18,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:18,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:18,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:18,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:18,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:18,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:18,542 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 05:29:18,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:18,559 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:29:18,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:18,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241630718] [2021-03-26 05:29:18,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:18,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:29:18,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784543962] [2021-03-26 05:29:18,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:29:18,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:18,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:29:18,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:29:18,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:29:18,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 760 places, 726 transitions, 23803 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:18,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:18,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:29:18,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:19,685 INFO L129 PetriNetUnfolder]: 697/1773 cut-off events. [2021-03-26 05:29:19,685 INFO L130 PetriNetUnfolder]: For 156395/156399 co-relation queries the response was YES. [2021-03-26 05:29:19,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22522 conditions, 1773 events. 697/1773 cut-off events. For 156395/156399 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 13675 event pairs, 13 based on Foata normal form. 6/1501 useless extension candidates. Maximal degree in co-relation 22187. Up to 901 conditions per place. [2021-03-26 05:29:19,732 INFO L132 encePairwiseOnDemand]: 177/195 looper letters, 644 selfloop transitions, 68 changer transitions 6/736 dead transitions. [2021-03-26 05:29:19,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 736 transitions, 25623 flow [2021-03-26 05:29:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:29:19,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:29:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 657 transitions. [2021-03-26 05:29:19,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28076923076923077 [2021-03-26 05:29:19,733 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 657 transitions. [2021-03-26 05:29:19,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 657 transitions. [2021-03-26 05:29:19,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:19,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 657 transitions. [2021-03-26 05:29:19,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.75) internal successors, (657), 12 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:19,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:19,735 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:19,735 INFO L185 Difference]: Start difference. First operand has 760 places, 726 transitions, 23803 flow. Second operand 12 states and 657 transitions. [2021-03-26 05:29:19,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 736 transitions, 25623 flow [2021-03-26 05:29:21,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 747 places, 736 transitions, 25193 flow, removed 27 selfloop flow, removed 24 redundant places. [2021-03-26 05:29:21,311 INFO L241 Difference]: Finished difference. Result has 749 places, 724 transitions, 23706 flow [2021-03-26 05:29:21,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=23381, PETRI_DIFFERENCE_MINUEND_PLACES=736, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=23706, PETRI_PLACES=749, PETRI_TRANSITIONS=724} [2021-03-26 05:29:21,311 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 696 predicate places. [2021-03-26 05:29:21,311 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:21,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 749 places, 724 transitions, 23706 flow [2021-03-26 05:29:21,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 749 places, 724 transitions, 23706 flow [2021-03-26 05:29:21,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 746 places, 724 transitions, 23706 flow [2021-03-26 05:29:21,691 INFO L129 PetriNetUnfolder]: 644/1677 cut-off events. [2021-03-26 05:29:21,692 INFO L130 PetriNetUnfolder]: For 143009/143024 co-relation queries the response was YES. [2021-03-26 05:29:21,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20348 conditions, 1677 events. 644/1677 cut-off events. For 143009/143024 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 13164 event pairs, 6 based on Foata normal form. 5/1416 useless extension candidates. Maximal degree in co-relation 20018. Up to 299 conditions per place. [2021-03-26 05:29:21,756 INFO L142 LiptonReduction]: Number of co-enabled transitions 3028 [2021-03-26 05:29:21,817 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:21,817 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:29:21,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 506 [2021-03-26 05:29:21,817 INFO L480 AbstractCegarLoop]: Abstraction has has 746 places, 724 transitions, 23706 flow [2021-03-26 05:29:21,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:21,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:21,817 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:21,817 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable439 [2021-03-26 05:29:21,818 INFO L428 AbstractCegarLoop]: === Iteration 441 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:21,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:21,818 INFO L82 PathProgramCache]: Analyzing trace with hash 804611021, now seen corresponding path program 23 times [2021-03-26 05:29:21,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:21,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742519360] [2021-03-26 05:29:21,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:21,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:21,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:21,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:21,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:21,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:21,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:21,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:21,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:21,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:21,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:21,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:21,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:21,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:21,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:21,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:21,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:21,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:21,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:21,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:29:21,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:21,913 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:29:21,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:21,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742519360] [2021-03-26 05:29:21,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:21,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:29:21,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342430483] [2021-03-26 05:29:21,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:29:21,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:21,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:29:21,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:29:21,917 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 195 [2021-03-26 05:29:21,917 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 746 places, 724 transitions, 23706 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:21,917 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:21,917 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 195 [2021-03-26 05:29:21,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:22,981 INFO L129 PetriNetUnfolder]: 695/1766 cut-off events. [2021-03-26 05:29:22,981 INFO L130 PetriNetUnfolder]: For 157706/157719 co-relation queries the response was YES. [2021-03-26 05:29:23,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22477 conditions, 1766 events. 695/1766 cut-off events. For 157706/157719 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 13596 event pairs, 9 based on Foata normal form. 14/1504 useless extension candidates. Maximal degree in co-relation 22143. Up to 895 conditions per place. [2021-03-26 05:29:23,032 INFO L132 encePairwiseOnDemand]: 177/195 looper letters, 647 selfloop transitions, 73 changer transitions 0/738 dead transitions. [2021-03-26 05:29:23,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 757 places, 738 transitions, 25804 flow [2021-03-26 05:29:23,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:29:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:29:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 660 transitions. [2021-03-26 05:29:23,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28205128205128205 [2021-03-26 05:29:23,033 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 660 transitions. [2021-03-26 05:29:23,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 660 transitions. [2021-03-26 05:29:23,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:23,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 660 transitions. [2021-03-26 05:29:23,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.0) internal successors, (660), 12 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:23,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:23,035 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:23,035 INFO L185 Difference]: Start difference. First operand has 746 places, 724 transitions, 23706 flow. Second operand 12 states and 660 transitions. [2021-03-26 05:29:23,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 757 places, 738 transitions, 25804 flow [2021-03-26 05:29:24,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 746 places, 738 transitions, 25391 flow, removed 169 selfloop flow, removed 11 redundant places. [2021-03-26 05:29:24,513 INFO L241 Difference]: Finished difference. Result has 748 places, 730 transitions, 24055 flow [2021-03-26 05:29:24,513 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=23303, PETRI_DIFFERENCE_MINUEND_PLACES=735, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=724, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=654, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=24055, PETRI_PLACES=748, PETRI_TRANSITIONS=730} [2021-03-26 05:29:24,513 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 695 predicate places. [2021-03-26 05:29:24,513 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:24,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 748 places, 730 transitions, 24055 flow [2021-03-26 05:29:24,514 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 748 places, 730 transitions, 24055 flow [2021-03-26 05:29:24,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 748 places, 730 transitions, 24055 flow [2021-03-26 05:29:24,989 INFO L129 PetriNetUnfolder]: 657/1707 cut-off events. [2021-03-26 05:29:24,989 INFO L130 PetriNetUnfolder]: For 154526/154563 co-relation queries the response was YES. [2021-03-26 05:29:25,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20748 conditions, 1707 events. 657/1707 cut-off events. For 154526/154563 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 13469 event pairs, 4 based on Foata normal form. 13/1443 useless extension candidates. Maximal degree in co-relation 20419. Up to 302 conditions per place. [2021-03-26 05:29:25,046 INFO L142 LiptonReduction]: Number of co-enabled transitions 3092 [2021-03-26 05:29:25,199 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 05:29:25,200 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:29:25,200 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 687 [2021-03-26 05:29:25,200 INFO L480 AbstractCegarLoop]: Abstraction has has 748 places, 730 transitions, 24148 flow [2021-03-26 05:29:25,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:25,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:25,200 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:25,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440 [2021-03-26 05:29:25,200 INFO L428 AbstractCegarLoop]: === Iteration 442 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:25,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:25,201 INFO L82 PathProgramCache]: Analyzing trace with hash -977443363, now seen corresponding path program 24 times [2021-03-26 05:29:25,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:25,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311228494] [2021-03-26 05:29:25,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:25,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:25,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:25,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:25,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:25,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:25,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:25,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:25,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:25,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:25,299 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:29:25,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:25,317 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:29:25,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:25,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311228494] [2021-03-26 05:29:25,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:25,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:29:25,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708407228] [2021-03-26 05:29:25,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:29:25,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:25,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:29:25,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:29:25,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 196 [2021-03-26 05:29:25,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 748 places, 730 transitions, 24148 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:25,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:25,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 196 [2021-03-26 05:29:25,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:26,601 INFO L129 PetriNetUnfolder]: 699/1780 cut-off events. [2021-03-26 05:29:26,601 INFO L130 PetriNetUnfolder]: For 157534/157540 co-relation queries the response was YES. [2021-03-26 05:29:26,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22486 conditions, 1780 events. 699/1780 cut-off events. For 157534/157540 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 13832 event pairs, 6 based on Foata normal form. 7/1506 useless extension candidates. Maximal degree in co-relation 22153. Up to 875 conditions per place. [2021-03-26 05:29:26,649 INFO L132 encePairwiseOnDemand]: 181/196 looper letters, 610 selfloop transitions, 90 changer transitions 20/738 dead transitions. [2021-03-26 05:29:26,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 762 places, 738 transitions, 25689 flow [2021-03-26 05:29:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:29:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:29:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 812 transitions. [2021-03-26 05:29:26,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2761904761904762 [2021-03-26 05:29:26,651 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 812 transitions. [2021-03-26 05:29:26,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 812 transitions. [2021-03-26 05:29:26,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:26,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 812 transitions. [2021-03-26 05:29:26,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.13333333333333) internal successors, (812), 15 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:26,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 196.0) internal successors, (3136), 16 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:26,653 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 196.0) internal successors, (3136), 16 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:26,653 INFO L185 Difference]: Start difference. First operand has 748 places, 730 transitions, 24148 flow. Second operand 15 states and 812 transitions. [2021-03-26 05:29:26,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 762 places, 738 transitions, 25689 flow [2021-03-26 05:29:28,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 756 places, 738 transitions, 24995 flow, removed 302 selfloop flow, removed 6 redundant places. [2021-03-26 05:29:28,252 INFO L241 Difference]: Finished difference. Result has 758 places, 711 transitions, 22794 flow [2021-03-26 05:29:28,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=23454, PETRI_DIFFERENCE_MINUEND_PLACES=742, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=640, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22794, PETRI_PLACES=758, PETRI_TRANSITIONS=711} [2021-03-26 05:29:28,252 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 705 predicate places. [2021-03-26 05:29:28,252 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:28,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 758 places, 711 transitions, 22794 flow [2021-03-26 05:29:28,252 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 758 places, 711 transitions, 22794 flow [2021-03-26 05:29:28,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 753 places, 711 transitions, 22794 flow [2021-03-26 05:29:28,645 INFO L129 PetriNetUnfolder]: 620/1616 cut-off events. [2021-03-26 05:29:28,645 INFO L130 PetriNetUnfolder]: For 141835/141889 co-relation queries the response was YES. [2021-03-26 05:29:28,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19545 conditions, 1616 events. 620/1616 cut-off events. For 141835/141889 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 12630 event pairs, 7 based on Foata normal form. 19/1378 useless extension candidates. Maximal degree in co-relation 19215. Up to 283 conditions per place. [2021-03-26 05:29:28,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 3034 [2021-03-26 05:29:28,889 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:28,889 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:29:28,889 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 637 [2021-03-26 05:29:28,890 INFO L480 AbstractCegarLoop]: Abstraction has has 753 places, 711 transitions, 22817 flow [2021-03-26 05:29:28,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:28,890 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:28,890 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:28,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable441 [2021-03-26 05:29:28,890 INFO L428 AbstractCegarLoop]: === Iteration 443 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:28,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:28,890 INFO L82 PathProgramCache]: Analyzing trace with hash 2089453453, now seen corresponding path program 25 times [2021-03-26 05:29:28,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:28,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313768104] [2021-03-26 05:29:28,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:28,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:28,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:28,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:28,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:28,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:28,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:28,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:28,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:29:28,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:28,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:28,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:28,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:28,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:28,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:28,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:28,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:28,972 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:29:28,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:29:28,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:29:28,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:29,005 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 05:29:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:29,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313768104] [2021-03-26 05:29:29,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:29,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 05:29:29,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42305977] [2021-03-26 05:29:29,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:29:29,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:29,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:29:29,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:29:29,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 197 [2021-03-26 05:29:29,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 753 places, 711 transitions, 22817 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:29,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:29,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 197 [2021-03-26 05:29:29,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:30,147 INFO L129 PetriNetUnfolder]: 682/1728 cut-off events. [2021-03-26 05:29:30,148 INFO L130 PetriNetUnfolder]: For 149367/149380 co-relation queries the response was YES. [2021-03-26 05:29:30,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21811 conditions, 1728 events. 682/1728 cut-off events. For 149367/149380 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 13201 event pairs, 11 based on Foata normal form. 14/1473 useless extension candidates. Maximal degree in co-relation 21477. Up to 893 conditions per place. [2021-03-26 05:29:30,192 INFO L132 encePairwiseOnDemand]: 181/197 looper letters, 642 selfloop transitions, 52 changer transitions 6/718 dead transitions. [2021-03-26 05:29:30,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 767 places, 718 transitions, 24359 flow [2021-03-26 05:29:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 05:29:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 05:29:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 799 transitions. [2021-03-26 05:29:30,194 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2703891708967851 [2021-03-26 05:29:30,194 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 799 transitions. [2021-03-26 05:29:30,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 799 transitions. [2021-03-26 05:29:30,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:30,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 799 transitions. [2021-03-26 05:29:30,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.266666666666666) internal successors, (799), 15 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:30,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 197.0) internal successors, (3152), 16 states have internal predecessors, (3152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:30,196 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 197.0) internal successors, (3152), 16 states have internal predecessors, (3152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:30,196 INFO L185 Difference]: Start difference. First operand has 753 places, 711 transitions, 22817 flow. Second operand 15 states and 799 transitions. [2021-03-26 05:29:30,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 767 places, 718 transitions, 24359 flow [2021-03-26 05:29:31,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 718 transitions, 23799 flow, removed 52 selfloop flow, removed 36 redundant places. [2021-03-26 05:29:31,618 INFO L241 Difference]: Finished difference. Result has 733 places, 706 transitions, 22226 flow [2021-03-26 05:29:31,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=22257, PETRI_DIFFERENCE_MINUEND_PLACES=717, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22226, PETRI_PLACES=733, PETRI_TRANSITIONS=706} [2021-03-26 05:29:31,618 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 680 predicate places. [2021-03-26 05:29:31,618 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:31,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 733 places, 706 transitions, 22226 flow [2021-03-26 05:29:31,618 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 733 places, 706 transitions, 22226 flow [2021-03-26 05:29:31,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 729 places, 706 transitions, 22226 flow [2021-03-26 05:29:32,006 INFO L129 PetriNetUnfolder]: 641/1658 cut-off events. [2021-03-26 05:29:32,007 INFO L130 PetriNetUnfolder]: For 148359/148363 co-relation queries the response was YES. [2021-03-26 05:29:32,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20059 conditions, 1658 events. 641/1658 cut-off events. For 148359/148363 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 12916 event pairs, 7 based on Foata normal form. 2/1396 useless extension candidates. Maximal degree in co-relation 19735. Up to 299 conditions per place. [2021-03-26 05:29:32,074 INFO L142 LiptonReduction]: Number of co-enabled transitions 3030 [2021-03-26 05:29:32,237 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 05:29:32,237 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:29:32,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 619 [2021-03-26 05:29:32,238 INFO L480 AbstractCegarLoop]: Abstraction has has 729 places, 706 transitions, 22244 flow [2021-03-26 05:29:32,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:32,238 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:32,238 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:32,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable442 [2021-03-26 05:29:32,238 INFO L428 AbstractCegarLoop]: === Iteration 444 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:32,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:32,238 INFO L82 PathProgramCache]: Analyzing trace with hash -531189690, now seen corresponding path program 1 times [2021-03-26 05:29:32,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:32,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490626326] [2021-03-26 05:29:32,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:32,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:32,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:32,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:32,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:32,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:32,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:32,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:32,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:32,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:32,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:32,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:32,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:32,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:32,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:32,305 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:29:32,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:32,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:29:32,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:32,336 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:29:32,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:32,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490626326] [2021-03-26 05:29:32,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:32,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:29:32,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216167067] [2021-03-26 05:29:32,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:29:32,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:32,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:29:32,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:29:32,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 198 [2021-03-26 05:29:32,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 729 places, 706 transitions, 22244 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:32,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:32,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 198 [2021-03-26 05:29:32,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:33,552 INFO L129 PetriNetUnfolder]: 678/1726 cut-off events. [2021-03-26 05:29:33,552 INFO L130 PetriNetUnfolder]: For 149738/149742 co-relation queries the response was YES. [2021-03-26 05:29:33,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21620 conditions, 1726 events. 678/1726 cut-off events. For 149738/149742 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 13239 event pairs, 5 based on Foata normal form. 5/1463 useless extension candidates. Maximal degree in co-relation 21292. Up to 831 conditions per place. [2021-03-26 05:29:33,598 INFO L132 encePairwiseOnDemand]: 177/198 looper letters, 597 selfloop transitions, 94 changer transitions 12/721 dead transitions. [2021-03-26 05:29:33,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 721 transitions, 24083 flow [2021-03-26 05:29:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:29:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:29:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 620 transitions. [2021-03-26 05:29:33,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2846648301193756 [2021-03-26 05:29:33,600 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 620 transitions. [2021-03-26 05:29:33,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 620 transitions. [2021-03-26 05:29:33,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:33,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 620 transitions. [2021-03-26 05:29:33,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.36363636363637) internal successors, (620), 11 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:33,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 198.0) internal successors, (2376), 12 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:33,601 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 198.0) internal successors, (2376), 12 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:33,601 INFO L185 Difference]: Start difference. First operand has 729 places, 706 transitions, 22244 flow. Second operand 11 states and 620 transitions. [2021-03-26 05:29:33,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 721 transitions, 24083 flow [2021-03-26 05:29:35,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 716 places, 721 transitions, 23859 flow, removed 14 selfloop flow, removed 23 redundant places. [2021-03-26 05:29:35,133 INFO L241 Difference]: Finished difference. Result has 719 places, 699 transitions, 22199 flow [2021-03-26 05:29:35,133 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=22024, PETRI_DIFFERENCE_MINUEND_PLACES=706, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=613, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=22199, PETRI_PLACES=719, PETRI_TRANSITIONS=699} [2021-03-26 05:29:35,133 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 666 predicate places. [2021-03-26 05:29:35,133 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:35,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 719 places, 699 transitions, 22199 flow [2021-03-26 05:29:35,134 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 719 places, 699 transitions, 22199 flow [2021-03-26 05:29:35,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 715 places, 699 transitions, 22199 flow [2021-03-26 05:29:35,524 INFO L129 PetriNetUnfolder]: 633/1642 cut-off events. [2021-03-26 05:29:35,524 INFO L130 PetriNetUnfolder]: For 153982/153987 co-relation queries the response was YES. [2021-03-26 05:29:35,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20027 conditions, 1642 events. 633/1642 cut-off events. For 153982/153987 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 12796 event pairs, 4 based on Foata normal form. 2/1385 useless extension candidates. Maximal degree in co-relation 19705. Up to 296 conditions per place. [2021-03-26 05:29:35,592 INFO L142 LiptonReduction]: Number of co-enabled transitions 2986 [2021-03-26 05:29:35,648 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:35,648 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:29:35,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 515 [2021-03-26 05:29:35,649 INFO L480 AbstractCegarLoop]: Abstraction has has 715 places, 699 transitions, 22199 flow [2021-03-26 05:29:35,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:35,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:35,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:35,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable443 [2021-03-26 05:29:35,649 INFO L428 AbstractCegarLoop]: === Iteration 445 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:35,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:35,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1692698380, now seen corresponding path program 2 times [2021-03-26 05:29:35,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:35,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957537400] [2021-03-26 05:29:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:35,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:35,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:35,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:35,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:35,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:35,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:35,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:35,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:35,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:35,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:35,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:35,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:35,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:35,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:35,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:35,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 05:29:35,732 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:29:35,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:35,749 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:29:35,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:35,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957537400] [2021-03-26 05:29:35,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:35,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:29:35,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939312272] [2021-03-26 05:29:35,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:29:35,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:35,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:29:35,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:29:35,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 198 [2021-03-26 05:29:35,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 715 places, 699 transitions, 22199 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:35,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:35,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 198 [2021-03-26 05:29:35,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:36,783 INFO L129 PetriNetUnfolder]: 670/1695 cut-off events. [2021-03-26 05:29:36,783 INFO L130 PetriNetUnfolder]: For 146650/146665 co-relation queries the response was YES. [2021-03-26 05:29:36,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21402 conditions, 1695 events. 670/1695 cut-off events. For 146650/146665 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 12959 event pairs, 6 based on Foata normal form. 16/1449 useless extension candidates. Maximal degree in co-relation 21076. Up to 882 conditions per place. [2021-03-26 05:29:36,827 INFO L132 encePairwiseOnDemand]: 180/198 looper letters, 635 selfloop transitions, 47 changer transitions 5/705 dead transitions. [2021-03-26 05:29:36,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 705 transitions, 23617 flow [2021-03-26 05:29:36,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 05:29:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 05:29:36,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 647 transitions. [2021-03-26 05:29:36,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27230639730639733 [2021-03-26 05:29:36,829 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 647 transitions. [2021-03-26 05:29:36,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 647 transitions. [2021-03-26 05:29:36,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:36,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 647 transitions. [2021-03-26 05:29:36,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.916666666666664) internal successors, (647), 12 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:36,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 198.0) internal successors, (2574), 13 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:36,830 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 198.0) internal successors, (2574), 13 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:36,830 INFO L185 Difference]: Start difference. First operand has 715 places, 699 transitions, 22199 flow. Second operand 12 states and 647 transitions. [2021-03-26 05:29:36,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 705 transitions, 23617 flow [2021-03-26 05:29:38,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 711 places, 705 transitions, 23328 flow, removed 34 selfloop flow, removed 15 redundant places. [2021-03-26 05:29:38,372 INFO L241 Difference]: Finished difference. Result has 712 places, 694 transitions, 21935 flow [2021-03-26 05:29:38,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=21910, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=21935, PETRI_PLACES=712, PETRI_TRANSITIONS=694} [2021-03-26 05:29:38,372 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 659 predicate places. [2021-03-26 05:29:38,372 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:38,372 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 712 places, 694 transitions, 21935 flow [2021-03-26 05:29:38,372 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 712 places, 694 transitions, 21935 flow [2021-03-26 05:29:38,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 706 places, 694 transitions, 21935 flow [2021-03-26 05:29:38,789 INFO L129 PetriNetUnfolder]: 603/1571 cut-off events. [2021-03-26 05:29:38,789 INFO L130 PetriNetUnfolder]: For 140585/140674 co-relation queries the response was YES. [2021-03-26 05:29:38,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18933 conditions, 1571 events. 603/1571 cut-off events. For 140585/140674 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 12203 event pairs, 7 based on Foata normal form. 19/1344 useless extension candidates. Maximal degree in co-relation 18614. Up to 279 conditions per place. [2021-03-26 05:29:38,842 INFO L142 LiptonReduction]: Number of co-enabled transitions 2942 [2021-03-26 05:29:38,893 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:29:38,894 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:29:38,894 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 522 [2021-03-26 05:29:38,894 INFO L480 AbstractCegarLoop]: Abstraction has has 706 places, 694 transitions, 21935 flow [2021-03-26 05:29:38,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:38,894 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:29:38,894 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:29:38,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable444 [2021-03-26 05:29:38,894 INFO L428 AbstractCegarLoop]: === Iteration 446 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 05:29:38,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:29:38,894 INFO L82 PathProgramCache]: Analyzing trace with hash 838232534, now seen corresponding path program 3 times [2021-03-26 05:29:38,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:29:38,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431047009] [2021-03-26 05:29:38,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:29:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:29:38,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:38,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:29:38,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:38,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:38,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:38,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:38,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:29:38,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:38,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:38,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:38,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:29:38,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:38,962 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 05:29:38,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:29:38,977 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 05:29:38,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 05:29:38,994 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 05:29:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:29:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:29:38,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431047009] [2021-03-26 05:29:38,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:29:38,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 05:29:38,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160736095] [2021-03-26 05:29:38,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:29:38,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:29:38,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:29:38,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:29:38,998 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 198 [2021-03-26 05:29:38,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 706 places, 694 transitions, 21935 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:38,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:29:38,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 198 [2021-03-26 05:29:38,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:29:39,981 INFO L129 PetriNetUnfolder]: 659/1662 cut-off events. [2021-03-26 05:29:39,981 INFO L130 PetriNetUnfolder]: For 145143/145147 co-relation queries the response was YES. [2021-03-26 05:29:40,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21173 conditions, 1662 events. 659/1662 cut-off events. For 145143/145147 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 12524 event pairs, 10 based on Foata normal form. 5/1415 useless extension candidates. Maximal degree in co-relation 20850. Up to 880 conditions per place. [2021-03-26 05:29:40,023 INFO L132 encePairwiseOnDemand]: 180/198 looper letters, 634 selfloop transitions, 43 changer transitions 5/700 dead transitions. [2021-03-26 05:29:40,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 716 places, 700 transitions, 23343 flow [2021-03-26 05:29:40,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 05:29:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 05:29:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 596 transitions. [2021-03-26 05:29:40,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2736455463728191 [2021-03-26 05:29:40,025 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 596 transitions. [2021-03-26 05:29:40,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 596 transitions. [2021-03-26 05:29:40,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:29:40,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 596 transitions. [2021-03-26 05:29:40,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.18181818181818) internal successors, (596), 11 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:40,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 198.0) internal successors, (2376), 12 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:40,026 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 198.0) internal successors, (2376), 12 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:29:40,026 INFO L185 Difference]: Start difference. First operand has 706 places, 694 transitions, 21935 flow. Second operand 11 states and 596 transitions. [2021-03-26 05:29:40,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 716 places, 700 transitions, 23343 flow [2021-03-26 05:29:41,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 706 places, 700 transitions, 23191 flow, removed 3 selfloop flow, removed 10 redundant places. [2021-03-26 05:29:41,451 INFO L241 Difference]: Finished difference. Result has 707 places, 689 transitions, 21736 flow [2021-03-26 05:29:41,451 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=21783, PETRI_DIFFERENCE_MINUEND_PLACES=696, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=21736, PETRI_PLACES=707, PETRI_TRANSITIONS=689} [2021-03-26 05:29:41,451 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 654 predicate places. [2021-03-26 05:29:41,451 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:29:41,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 707 places, 689 transitions, 21736 flow [2021-03-26 05:29:41,451 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 707 places, 689 transitions, 21736 flow [2021-03-26 05:29:41,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 701 places, 689 transitions, 21736 flow Received shutdown request... [2021-03-26 05:29:41,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable445 [2021-03-26 05:29:41,785 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 05:29:41,787 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 05:29:41,788 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 05:29:41 BasicIcfg [2021-03-26 05:29:41,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 05:29:41,788 INFO L168 Benchmark]: Toolchain (without parser) took 814835.87 ms. Allocated memory was 255.9 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 236.6 MB in the beginning and 1.2 GB in the end (delta: -918.7 MB). Peak memory consumption was 938.7 MB. Max. memory is 16.0 GB. [2021-03-26 05:29:41,788 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.47 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 171.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 05:29:41,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.80 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 05:29:41,788 INFO L168 Benchmark]: Boogie Preprocessor took 19.14 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 05:29:41,789 INFO L168 Benchmark]: RCFGBuilder took 238.94 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 236.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. [2021-03-26 05:29:41,789 INFO L168 Benchmark]: TraceAbstraction took 814550.51 ms. Allocated memory was 255.9 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 236.7 MB in the beginning and 1.2 GB in the end (delta: -918.6 MB). Peak memory consumption was 937.7 MB. Max. memory is 16.0 GB. [2021-03-26 05:29:41,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.47 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 171.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.80 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.14 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 238.94 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 236.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 814550.51 ms. Allocated memory was 255.9 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 236.7 MB in the beginning and 1.2 GB in the end (delta: -918.6 MB). Peak memory consumption was 937.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 462.8ms, 66 PlacesBefore, 53 PlacesAfterwards, 51 TransitionsBefore, 38 TransitionsAfterwards, 1336 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 1358 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 710, positive: 672, positive conditional: 672, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 638, positive: 611, positive conditional: 0, positive unconditional: 611, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 638, positive: 611, positive conditional: 0, positive unconditional: 611, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 638, positive: 607, positive conditional: 0, positive unconditional: 607, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 710, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 638, unknown conditional: 638, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 192, Positive conditional cache size: 192, Positive unconditional cache size: 0, Negative cache size: 15, Negative conditional cache size: 15, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.0ms, 43 PlacesBefore, 41 PlacesAfterwards, 38 TransitionsBefore, 36 TransitionsAfterwards, 668 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 773 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 410, positive: 376, positive conditional: 376, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 164, positive: 164, positive conditional: 11, positive unconditional: 153, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 164, positive: 164, positive conditional: 11, positive unconditional: 153, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 164, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 410, positive: 212, positive conditional: 212, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 164, unknown conditional: 164, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 248, Positive cache size: 236, Positive conditional cache size: 236, Positive unconditional cache size: 0, Negative cache size: 12, Negative conditional cache size: 12, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.4ms, 42 PlacesBefore, 40 PlacesAfterwards, 36 TransitionsBefore, 34 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 503 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 9, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 9, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 283, positive: 214, positive conditional: 214, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 172, Positive conditional cache size: 172, Positive unconditional cache size: 0, Negative cache size: 8, Negative conditional cache size: 8, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.0ms, 41 PlacesBefore, 39 PlacesAfterwards, 34 TransitionsBefore, 32 TransitionsAfterwards, 502 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 257 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 181, positive: 169, positive conditional: 169, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 181, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 98, Positive cache size: 93, Positive conditional cache size: 93, Positive unconditional cache size: 0, Negative cache size: 5, Negative conditional cache size: 5, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.4ms, 56 PlacesBefore, 56 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 786 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.1ms, 58 PlacesBefore, 58 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.4ms, 66 PlacesBefore, 61 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 90.7ms, 71 PlacesBefore, 71 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 74, Positive conditional cache size: 74, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.1ms, 86 PlacesBefore, 86 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 860 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.2ms, 103 PlacesBefore, 102 PlacesAfterwards, 161 TransitionsBefore, 161 TransitionsAfterwards, 934 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.4ms, 114 PlacesBefore, 114 PlacesAfterwards, 191 TransitionsBefore, 191 TransitionsAfterwards, 1090 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.2ms, 120 PlacesBefore, 120 PlacesAfterwards, 198 TransitionsBefore, 198 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.4ms, 129 PlacesBefore, 129 PlacesAfterwards, 208 TransitionsBefore, 208 TransitionsAfterwards, 1282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.9ms, 141 PlacesBefore, 139 PlacesAfterwards, 230 TransitionsBefore, 230 TransitionsAfterwards, 1316 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.3ms, 147 PlacesBefore, 138 PlacesAfterwards, 188 TransitionsBefore, 188 TransitionsAfterwards, 902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.4ms, 124 PlacesBefore, 124 PlacesAfterwards, 192 TransitionsBefore, 192 TransitionsAfterwards, 950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.5ms, 132 PlacesBefore, 131 PlacesAfterwards, 205 TransitionsBefore, 205 TransitionsAfterwards, 1036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.2ms, 136 PlacesBefore, 136 PlacesAfterwards, 226 TransitionsBefore, 226 TransitionsAfterwards, 1058 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.0ms, 143 PlacesBefore, 143 PlacesAfterwards, 229 TransitionsBefore, 229 TransitionsAfterwards, 1098 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.0ms, 147 PlacesBefore, 147 PlacesAfterwards, 238 TransitionsBefore, 238 TransitionsAfterwards, 1134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 81.4ms, 154 PlacesBefore, 152 PlacesAfterwards, 237 TransitionsBefore, 237 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.8ms, 156 PlacesBefore, 155 PlacesAfterwards, 235 TransitionsBefore, 235 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.6ms, 156 PlacesBefore, 155 PlacesAfterwards, 234 TransitionsBefore, 234 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.7ms, 156 PlacesBefore, 154 PlacesAfterwards, 225 TransitionsBefore, 225 TransitionsAfterwards, 1026 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.6ms, 151 PlacesBefore, 149 PlacesAfterwards, 224 TransitionsBefore, 224 TransitionsAfterwards, 1000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.6ms, 157 PlacesBefore, 156 PlacesAfterwards, 232 TransitionsBefore, 232 TransitionsAfterwards, 1038 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.2ms, 153 PlacesBefore, 151 PlacesAfterwards, 227 TransitionsBefore, 227 TransitionsAfterwards, 986 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.9ms, 152 PlacesBefore, 152 PlacesAfterwards, 238 TransitionsBefore, 238 TransitionsAfterwards, 1038 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.2ms, 157 PlacesBefore, 154 PlacesAfterwards, 230 TransitionsBefore, 230 TransitionsAfterwards, 978 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.3ms, 152 PlacesBefore, 152 PlacesAfterwards, 244 TransitionsBefore, 244 TransitionsAfterwards, 1030 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.6ms, 166 PlacesBefore, 166 PlacesAfterwards, 253 TransitionsBefore, 253 TransitionsAfterwards, 1070 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.9ms, 166 PlacesBefore, 165 PlacesAfterwards, 248 TransitionsBefore, 248 TransitionsAfterwards, 1018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.3ms, 168 PlacesBefore, 168 PlacesAfterwards, 260 TransitionsBefore, 260 TransitionsAfterwards, 1104 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 83, Positive cache size: 83, Positive conditional cache size: 83, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.7ms, 176 PlacesBefore, 176 PlacesAfterwards, 265 TransitionsBefore, 265 TransitionsAfterwards, 1132 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 85, Positive conditional cache size: 85, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.6ms, 179 PlacesBefore, 179 PlacesAfterwards, 277 TransitionsBefore, 277 TransitionsAfterwards, 1184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 85, Positive conditional cache size: 85, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 99.9ms, 190 PlacesBefore, 190 PlacesAfterwards, 283 TransitionsBefore, 283 TransitionsAfterwards, 1220 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.6ms, 195 PlacesBefore, 194 PlacesAfterwards, 283 TransitionsBefore, 283 TransitionsAfterwards, 1210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.8ms, 201 PlacesBefore, 201 PlacesAfterwards, 313 TransitionsBefore, 313 TransitionsAfterwards, 1284 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.3ms, 212 PlacesBefore, 211 PlacesAfterwards, 320 TransitionsBefore, 320 TransitionsAfterwards, 1320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 117.7ms, 218 PlacesBefore, 217 PlacesAfterwards, 325 TransitionsBefore, 325 TransitionsAfterwards, 1356 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.5ms, 222 PlacesBefore, 222 PlacesAfterwards, 351 TransitionsBefore, 351 TransitionsAfterwards, 1496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 110.9ms, 230 PlacesBefore, 230 PlacesAfterwards, 347 TransitionsBefore, 347 TransitionsAfterwards, 1460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 158.2ms, 233 PlacesBefore, 233 PlacesAfterwards, 350 TransitionsBefore, 350 TransitionsAfterwards, 1484 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 91, Positive conditional cache size: 91, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.6ms, 239 PlacesBefore, 239 PlacesAfterwards, 353 TransitionsBefore, 353 TransitionsAfterwards, 1508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 91, Positive conditional cache size: 91, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.0ms, 249 PlacesBefore, 249 PlacesAfterwards, 359 TransitionsBefore, 359 TransitionsAfterwards, 1522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 91, Positive conditional cache size: 91, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.4ms, 263 PlacesBefore, 263 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 1558 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.4ms, 270 PlacesBefore, 270 PlacesAfterwards, 366 TransitionsBefore, 366 TransitionsAfterwards, 1622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.6ms, 273 PlacesBefore, 267 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.2ms, 272 PlacesBefore, 271 PlacesAfterwards, 358 TransitionsBefore, 358 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 149.6ms, 272 PlacesBefore, 272 PlacesAfterwards, 355 TransitionsBefore, 355 TransitionsAfterwards, 1538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.9ms, 269 PlacesBefore, 266 PlacesAfterwards, 349 TransitionsBefore, 349 TransitionsAfterwards, 1514 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.2ms, 262 PlacesBefore, 261 PlacesAfterwards, 346 TransitionsBefore, 346 TransitionsAfterwards, 1512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.3ms, 266 PlacesBefore, 263 PlacesAfterwards, 342 TransitionsBefore, 342 TransitionsAfterwards, 1488 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.3ms, 258 PlacesBefore, 250 PlacesAfterwards, 333 TransitionsBefore, 333 TransitionsAfterwards, 1478 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.6ms, 248 PlacesBefore, 242 PlacesAfterwards, 327 TransitionsBefore, 327 TransitionsAfterwards, 1450 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 123.6ms, 245 PlacesBefore, 245 PlacesAfterwards, 328 TransitionsBefore, 328 TransitionsAfterwards, 1494 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.6ms, 258 PlacesBefore, 258 PlacesAfterwards, 328 TransitionsBefore, 328 TransitionsAfterwards, 1528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.7ms, 266 PlacesBefore, 264 PlacesAfterwards, 319 TransitionsBefore, 319 TransitionsAfterwards, 1464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160.1ms, 269 PlacesBefore, 268 PlacesAfterwards, 308 TransitionsBefore, 308 TransitionsAfterwards, 1430 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153.7ms, 268 PlacesBefore, 268 PlacesAfterwards, 358 TransitionsBefore, 358 TransitionsAfterwards, 1630 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 92, Positive cache size: 92, Positive conditional cache size: 92, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.8ms, 277 PlacesBefore, 277 PlacesAfterwards, 377 TransitionsBefore, 377 TransitionsAfterwards, 1584 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 98, Positive cache size: 98, Positive conditional cache size: 98, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 149.1ms, 282 PlacesBefore, 282 PlacesAfterwards, 384 TransitionsBefore, 384 TransitionsAfterwards, 1630 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 100, Positive conditional cache size: 100, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.0ms, 287 PlacesBefore, 287 PlacesAfterwards, 398 TransitionsBefore, 398 TransitionsAfterwards, 1730 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124.0ms, 298 PlacesBefore, 298 PlacesAfterwards, 403 TransitionsBefore, 403 TransitionsAfterwards, 1768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 154.5ms, 304 PlacesBefore, 304 PlacesAfterwards, 417 TransitionsBefore, 417 TransitionsAfterwards, 1866 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 133.7ms, 316 PlacesBefore, 316 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 1928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 162.6ms, 321 PlacesBefore, 321 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 1938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 119.1ms, 324 PlacesBefore, 305 PlacesAfterwards, 393 TransitionsBefore, 393 TransitionsAfterwards, 1682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 146.7ms, 297 PlacesBefore, 294 PlacesAfterwards, 417 TransitionsBefore, 417 TransitionsAfterwards, 1692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.1ms, 299 PlacesBefore, 299 PlacesAfterwards, 421 TransitionsBefore, 421 TransitionsAfterwards, 1744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141.5ms, 311 PlacesBefore, 311 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 1880 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.0ms, 322 PlacesBefore, 322 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 1924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160.1ms, 325 PlacesBefore, 325 PlacesAfterwards, 429 TransitionsBefore, 429 TransitionsAfterwards, 1886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.5ms, 323 PlacesBefore, 321 PlacesAfterwards, 439 TransitionsBefore, 439 TransitionsAfterwards, 1854 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.8ms, 332 PlacesBefore, 330 PlacesAfterwards, 461 TransitionsBefore, 461 TransitionsAfterwards, 1936 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 173.0ms, 342 PlacesBefore, 342 PlacesAfterwards, 472 TransitionsBefore, 472 TransitionsAfterwards, 2028 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 181.3ms, 352 PlacesBefore, 350 PlacesAfterwards, 466 TransitionsBefore, 466 TransitionsAfterwards, 2032 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.2ms, 347 PlacesBefore, 347 PlacesAfterwards, 497 TransitionsBefore, 497 TransitionsAfterwards, 2170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 222.8ms, 360 PlacesBefore, 360 PlacesAfterwards, 511 TransitionsBefore, 511 TransitionsAfterwards, 2258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 232.4ms, 375 PlacesBefore, 375 PlacesAfterwards, 551 TransitionsBefore, 551 TransitionsAfterwards, 2458 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 282.6ms, 385 PlacesBefore, 385 PlacesAfterwards, 574 TransitionsBefore, 574 TransitionsAfterwards, 2606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.4ms, 394 PlacesBefore, 394 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 2732 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 274.2ms, 409 PlacesBefore, 409 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 2786 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 268.2ms, 427 PlacesBefore, 424 PlacesAfterwards, 567 TransitionsBefore, 567 TransitionsAfterwards, 2460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 244.8ms, 412 PlacesBefore, 412 PlacesAfterwards, 587 TransitionsBefore, 587 TransitionsAfterwards, 2548 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 272.4ms, 422 PlacesBefore, 422 PlacesAfterwards, 599 TransitionsBefore, 599 TransitionsAfterwards, 2662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 277.9ms, 428 PlacesBefore, 428 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 273.2ms, 438 PlacesBefore, 438 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 2654 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 339.3ms, 444 PlacesBefore, 442 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 2620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 270.6ms, 438 PlacesBefore, 438 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 2640 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 295.4ms, 441 PlacesBefore, 441 PlacesAfterwards, 605 TransitionsBefore, 605 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 270.4ms, 462 PlacesBefore, 459 PlacesAfterwards, 573 TransitionsBefore, 573 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 326.7ms, 435 PlacesBefore, 432 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 2084 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 236.0ms, 426 PlacesBefore, 426 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 2112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 240.0ms, 428 PlacesBefore, 428 PlacesAfterwards, 534 TransitionsBefore, 534 TransitionsAfterwards, 2136 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 235.7ms, 435 PlacesBefore, 435 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 2136 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 242.7ms, 437 PlacesBefore, 435 PlacesAfterwards, 530 TransitionsBefore, 530 TransitionsAfterwards, 2112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.8ms, 437 PlacesBefore, 436 PlacesAfterwards, 535 TransitionsBefore, 535 TransitionsAfterwards, 2132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 265.5ms, 441 PlacesBefore, 435 PlacesAfterwards, 535 TransitionsBefore, 535 TransitionsAfterwards, 2098 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 252.7ms, 435 PlacesBefore, 435 PlacesAfterwards, 554 TransitionsBefore, 554 TransitionsAfterwards, 2132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 235.0ms, 449 PlacesBefore, 441 PlacesAfterwards, 535 TransitionsBefore, 535 TransitionsAfterwards, 1932 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 214.0ms, 425 PlacesBefore, 417 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 1864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 206.8ms, 412 PlacesBefore, 412 PlacesAfterwards, 528 TransitionsBefore, 528 TransitionsAfterwards, 1888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 257.4ms, 425 PlacesBefore, 425 PlacesAfterwards, 565 TransitionsBefore, 565 TransitionsAfterwards, 1922 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 228.5ms, 435 PlacesBefore, 433 PlacesAfterwards, 548 TransitionsBefore, 548 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 265.7ms, 415 PlacesBefore, 410 PlacesAfterwards, 534 TransitionsBefore, 534 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.6ms, 403 PlacesBefore, 399 PlacesAfterwards, 516 TransitionsBefore, 516 TransitionsAfterwards, 1674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182.8ms, 372 PlacesBefore, 371 PlacesAfterwards, 513 TransitionsBefore, 513 TransitionsAfterwards, 1666 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.7ms, 371 PlacesBefore, 370 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 1666 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 201.8ms, 385 PlacesBefore, 385 PlacesAfterwards, 537 TransitionsBefore, 537 TransitionsAfterwards, 1662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 202.2ms, 382 PlacesBefore, 381 PlacesAfterwards, 544 TransitionsBefore, 544 TransitionsAfterwards, 1662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 201.8ms, 383 PlacesBefore, 383 PlacesAfterwards, 555 TransitionsBefore, 555 TransitionsAfterwards, 1662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 206.6ms, 390 PlacesBefore, 390 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 1674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 208.6ms, 394 PlacesBefore, 392 PlacesAfterwards, 568 TransitionsBefore, 568 TransitionsAfterwards, 1702 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 229.1ms, 399 PlacesBefore, 399 PlacesAfterwards, 583 TransitionsBefore, 583 TransitionsAfterwards, 1844 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 237.2ms, 408 PlacesBefore, 408 PlacesAfterwards, 591 TransitionsBefore, 591 TransitionsAfterwards, 1912 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 237.5ms, 416 PlacesBefore, 414 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 1930 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 242.1ms, 421 PlacesBefore, 421 PlacesAfterwards, 596 TransitionsBefore, 596 TransitionsAfterwards, 1994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 322.7ms, 428 PlacesBefore, 428 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 2030 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 106, Positive conditional cache size: 106, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 252.7ms, 436 PlacesBefore, 436 PlacesAfterwards, 606 TransitionsBefore, 606 TransitionsAfterwards, 2058 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 106, Positive conditional cache size: 106, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 258.6ms, 441 PlacesBefore, 441 PlacesAfterwards, 609 TransitionsBefore, 609 TransitionsAfterwards, 2082 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 106, Positive conditional cache size: 106, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 352.0ms, 446 PlacesBefore, 446 PlacesAfterwards, 613 TransitionsBefore, 613 TransitionsAfterwards, 2110 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 108, Positive conditional cache size: 108, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 261.9ms, 455 PlacesBefore, 455 PlacesAfterwards, 616 TransitionsBefore, 616 TransitionsAfterwards, 2134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 108, Positive conditional cache size: 108, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 277.4ms, 458 PlacesBefore, 458 PlacesAfterwards, 623 TransitionsBefore, 623 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 108, Positive conditional cache size: 108, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 278.1ms, 466 PlacesBefore, 466 PlacesAfterwards, 626 TransitionsBefore, 626 TransitionsAfterwards, 2224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 108, Positive conditional cache size: 108, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 391.0ms, 475 PlacesBefore, 475 PlacesAfterwards, 628 TransitionsBefore, 628 TransitionsAfterwards, 2244 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 108, Positive conditional cache size: 108, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 404.6ms, 479 PlacesBefore, 479 PlacesAfterwards, 636 TransitionsBefore, 636 TransitionsAfterwards, 2268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 108, Positive conditional cache size: 108, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 291.9ms, 483 PlacesBefore, 477 PlacesAfterwards, 630 TransitionsBefore, 630 TransitionsAfterwards, 2236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 108, Positive conditional cache size: 108, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 380.1ms, 479 PlacesBefore, 479 PlacesAfterwards, 634 TransitionsBefore, 634 TransitionsAfterwards, 2270 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 110, Positive conditional cache size: 110, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 302.8ms, 491 PlacesBefore, 491 PlacesAfterwards, 641 TransitionsBefore, 641 TransitionsAfterwards, 2294 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 110, Positive conditional cache size: 110, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 333.7ms, 490 PlacesBefore, 490 PlacesAfterwards, 645 TransitionsBefore, 645 TransitionsAfterwards, 2326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 110, Positive conditional cache size: 110, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 358.2ms, 497 PlacesBefore, 497 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 2386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 110, Positive conditional cache size: 110, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 346.3ms, 511 PlacesBefore, 511 PlacesAfterwards, 661 TransitionsBefore, 661 TransitionsAfterwards, 2420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 110, Positive conditional cache size: 110, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 509.2ms, 522 PlacesBefore, 522 PlacesAfterwards, 668 TransitionsBefore, 668 TransitionsAfterwards, 2444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 110, Positive conditional cache size: 110, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 341.0ms, 524 PlacesBefore, 524 PlacesAfterwards, 669 TransitionsBefore, 669 TransitionsAfterwards, 2454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 110, Positive conditional cache size: 110, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 450.5ms, 530 PlacesBefore, 526 PlacesAfterwards, 655 TransitionsBefore, 655 TransitionsAfterwards, 2372 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 112, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 413.5ms, 515 PlacesBefore, 513 PlacesAfterwards, 649 TransitionsBefore, 649 TransitionsAfterwards, 2372 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 112, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 333.0ms, 515 PlacesBefore, 513 PlacesAfterwards, 646 TransitionsBefore, 646 TransitionsAfterwards, 2372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 112, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 353.8ms, 507 PlacesBefore, 499 PlacesAfterwards, 639 TransitionsBefore, 639 TransitionsAfterwards, 2338 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 112, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 307.6ms, 502 PlacesBefore, 502 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 2382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 112, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 375.6ms, 502 PlacesBefore, 501 PlacesAfterwards, 614 TransitionsBefore, 614 TransitionsAfterwards, 2330 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 116, Positive conditional cache size: 116, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 363.4ms, 482 PlacesBefore, 481 PlacesAfterwards, 616 TransitionsBefore, 615 TransitionsAfterwards, 2350 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 27, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 383.2ms, 489 PlacesBefore, 483 PlacesAfterwards, 580 TransitionsBefore, 580 TransitionsAfterwards, 2074 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 350.6ms, 467 PlacesBefore, 464 PlacesAfterwards, 581 TransitionsBefore, 581 TransitionsAfterwards, 2084 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 38, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 285.4ms, 464 PlacesBefore, 464 PlacesAfterwards, 589 TransitionsBefore, 589 TransitionsAfterwards, 2124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 38, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 252.2ms, 472 PlacesBefore, 470 PlacesAfterwards, 578 TransitionsBefore, 578 TransitionsAfterwards, 1988 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 38, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 265.8ms, 470 PlacesBefore, 470 PlacesAfterwards, 586 TransitionsBefore, 586 TransitionsAfterwards, 2014 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 38, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 271.5ms, 479 PlacesBefore, 479 PlacesAfterwards, 592 TransitionsBefore, 592 TransitionsAfterwards, 2040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 38, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 285.3ms, 485 PlacesBefore, 485 PlacesAfterwards, 596 TransitionsBefore, 596 TransitionsAfterwards, 2068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 38, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 270.4ms, 492 PlacesBefore, 489 PlacesAfterwards, 600 TransitionsBefore, 600 TransitionsAfterwards, 2040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 38, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 290.7ms, 494 PlacesBefore, 493 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 2038 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 38, Positive conditional cache size: 38, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 387.1ms, 497 PlacesBefore, 495 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 2030 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 369.8ms, 499 PlacesBefore, 499 PlacesAfterwards, 606 TransitionsBefore, 606 TransitionsAfterwards, 2160 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 306.4ms, 499 PlacesBefore, 496 PlacesAfterwards, 599 TransitionsBefore, 599 TransitionsAfterwards, 2078 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 287.6ms, 494 PlacesBefore, 494 PlacesAfterwards, 606 TransitionsBefore, 606 TransitionsAfterwards, 2106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 318.9ms, 508 PlacesBefore, 508 PlacesAfterwards, 629 TransitionsBefore, 629 TransitionsAfterwards, 2140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 422.4ms, 516 PlacesBefore, 516 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 2182 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 336.7ms, 530 PlacesBefore, 530 PlacesAfterwards, 642 TransitionsBefore, 642 TransitionsAfterwards, 2222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 374.3ms, 536 PlacesBefore, 536 PlacesAfterwards, 648 TransitionsBefore, 648 TransitionsAfterwards, 2278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 339.4ms, 544 PlacesBefore, 543 PlacesAfterwards, 647 TransitionsBefore, 647 TransitionsAfterwards, 2278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 358.5ms, 546 PlacesBefore, 546 PlacesAfterwards, 647 TransitionsBefore, 647 TransitionsAfterwards, 2290 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 551.0ms, 552 PlacesBefore, 549 PlacesAfterwards, 643 TransitionsBefore, 643 TransitionsAfterwards, 2268 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 339.5ms, 541 PlacesBefore, 538 PlacesAfterwards, 640 TransitionsBefore, 640 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 351.1ms, 534 PlacesBefore, 534 PlacesAfterwards, 644 TransitionsBefore, 644 TransitionsAfterwards, 2308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 330.3ms, 541 PlacesBefore, 536 PlacesAfterwards, 629 TransitionsBefore, 629 TransitionsAfterwards, 2176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 336.1ms, 538 PlacesBefore, 538 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 2176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 349.0ms, 540 PlacesBefore, 540 PlacesAfterwards, 639 TransitionsBefore, 639 TransitionsAfterwards, 2224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 323.5ms, 552 PlacesBefore, 550 PlacesAfterwards, 630 TransitionsBefore, 630 TransitionsAfterwards, 2160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 352.0ms, 551 PlacesBefore, 548 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 2160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 328.0ms, 546 PlacesBefore, 546 PlacesAfterwards, 626 TransitionsBefore, 626 TransitionsAfterwards, 2194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 330.7ms, 548 PlacesBefore, 547 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 2170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 334.2ms, 554 PlacesBefore, 552 PlacesAfterwards, 611 TransitionsBefore, 611 TransitionsAfterwards, 2094 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 395.3ms, 537 PlacesBefore, 529 PlacesAfterwards, 598 TransitionsBefore, 598 TransitionsAfterwards, 2058 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 315.6ms, 519 PlacesBefore, 517 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 2034 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 293.0ms, 513 PlacesBefore, 513 PlacesAfterwards, 595 TransitionsBefore, 595 TransitionsAfterwards, 2046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 304.8ms, 518 PlacesBefore, 516 PlacesAfterwards, 590 TransitionsBefore, 590 TransitionsAfterwards, 1996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 286.4ms, 512 PlacesBefore, 511 PlacesAfterwards, 586 TransitionsBefore, 586 TransitionsAfterwards, 1996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.4ms, 506 PlacesBefore, 506 PlacesAfterwards, 589 TransitionsBefore, 589 TransitionsAfterwards, 2036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 291.3ms, 512 PlacesBefore, 512 PlacesAfterwards, 595 TransitionsBefore, 595 TransitionsAfterwards, 2076 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 302.2ms, 520 PlacesBefore, 520 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 2128 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 313.4ms, 528 PlacesBefore, 528 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 2140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 322.5ms, 534 PlacesBefore, 534 PlacesAfterwards, 614 TransitionsBefore, 614 TransitionsAfterwards, 2174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 395.9ms, 540 PlacesBefore, 540 PlacesAfterwards, 616 TransitionsBefore, 616 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 342.4ms, 542 PlacesBefore, 540 PlacesAfterwards, 611 TransitionsBefore, 611 TransitionsAfterwards, 2150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 329.8ms, 538 PlacesBefore, 538 PlacesAfterwards, 619 TransitionsBefore, 619 TransitionsAfterwards, 2198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 332.3ms, 546 PlacesBefore, 546 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 2228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 332.6ms, 549 PlacesBefore, 547 PlacesAfterwards, 614 TransitionsBefore, 614 TransitionsAfterwards, 2164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 359.2ms, 543 PlacesBefore, 543 PlacesAfterwards, 612 TransitionsBefore, 612 TransitionsAfterwards, 2164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 326.2ms, 547 PlacesBefore, 545 PlacesAfterwards, 609 TransitionsBefore, 609 TransitionsAfterwards, 2138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 336.6ms, 543 PlacesBefore, 543 PlacesAfterwards, 609 TransitionsBefore, 609 TransitionsAfterwards, 2152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 317.6ms, 546 PlacesBefore, 545 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 2098 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 328.8ms, 542 PlacesBefore, 541 PlacesAfterwards, 606 TransitionsBefore, 606 TransitionsAfterwards, 2098 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 366.8ms, 542 PlacesBefore, 542 PlacesAfterwards, 615 TransitionsBefore, 615 TransitionsAfterwards, 2176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 363.3ms, 550 PlacesBefore, 550 PlacesAfterwards, 616 TransitionsBefore, 616 TransitionsAfterwards, 2196 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 320.9ms, 556 PlacesBefore, 555 PlacesAfterwards, 608 TransitionsBefore, 608 TransitionsAfterwards, 2118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 299.7ms, 553 PlacesBefore, 553 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 2066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 293.4ms, 550 PlacesBefore, 546 PlacesAfterwards, 595 TransitionsBefore, 595 TransitionsAfterwards, 2038 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 289.0ms, 539 PlacesBefore, 535 PlacesAfterwards, 592 TransitionsBefore, 592 TransitionsAfterwards, 2028 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 304.2ms, 539 PlacesBefore, 535 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 2102 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 289.9ms, 540 PlacesBefore, 530 PlacesAfterwards, 584 TransitionsBefore, 584 TransitionsAfterwards, 2058 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 262.2ms, 532 PlacesBefore, 523 PlacesAfterwards, 559 TransitionsBefore, 559 TransitionsAfterwards, 1888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.2ms, 514 PlacesBefore, 510 PlacesAfterwards, 546 TransitionsBefore, 546 TransitionsAfterwards, 1796 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 254.2ms, 494 PlacesBefore, 494 PlacesAfterwards, 549 TransitionsBefore, 549 TransitionsAfterwards, 1830 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 241.0ms, 504 PlacesBefore, 504 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 1910 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 229.4ms, 512 PlacesBefore, 504 PlacesAfterwards, 547 TransitionsBefore, 547 TransitionsAfterwards, 1842 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 211.4ms, 504 PlacesBefore, 502 PlacesAfterwards, 523 TransitionsBefore, 523 TransitionsAfterwards, 1842 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 230.0ms, 498 PlacesBefore, 498 PlacesAfterwards, 536 TransitionsBefore, 536 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 223.1ms, 504 PlacesBefore, 504 PlacesAfterwards, 537 TransitionsBefore, 537 TransitionsAfterwards, 1990 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 227.5ms, 506 PlacesBefore, 505 PlacesAfterwards, 535 TransitionsBefore, 535 TransitionsAfterwards, 2004 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 281.4ms, 510 PlacesBefore, 496 PlacesAfterwards, 505 TransitionsBefore, 505 TransitionsAfterwards, 1788 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.2ms, 491 PlacesBefore, 478 PlacesAfterwards, 474 TransitionsBefore, 474 TransitionsAfterwards, 1658 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 291.1ms, 472 PlacesBefore, 468 PlacesAfterwards, 459 TransitionsBefore, 459 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182.7ms, 452 PlacesBefore, 449 PlacesAfterwards, 454 TransitionsBefore, 454 TransitionsAfterwards, 1626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 174.6ms, 442 PlacesBefore, 441 PlacesAfterwards, 454 TransitionsBefore, 454 TransitionsAfterwards, 1640 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 173.8ms, 443 PlacesBefore, 440 PlacesAfterwards, 449 TransitionsBefore, 449 TransitionsAfterwards, 1606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 165.8ms, 442 PlacesBefore, 436 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 1606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 162.9ms, 440 PlacesBefore, 437 PlacesAfterwards, 433 TransitionsBefore, 433 TransitionsAfterwards, 1592 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 207.7ms, 423 PlacesBefore, 414 PlacesAfterwards, 421 TransitionsBefore, 420 TransitionsAfterwards, 1546 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 39, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.5ms, 406 PlacesBefore, 406 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 1676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 39, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 155.0ms, 409 PlacesBefore, 407 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 1630 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 39, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.5ms, 402 PlacesBefore, 402 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 1630 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 39, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 152.9ms, 401 PlacesBefore, 396 PlacesAfterwards, 419 TransitionsBefore, 419 TransitionsAfterwards, 1596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 39, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.2ms, 397 PlacesBefore, 388 PlacesAfterwards, 414 TransitionsBefore, 414 TransitionsAfterwards, 1592 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 39, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 206.8ms, 396 PlacesBefore, 396 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 1680 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 173.4ms, 410 PlacesBefore, 410 PlacesAfterwards, 428 TransitionsBefore, 428 TransitionsAfterwards, 1732 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.8ms, 413 PlacesBefore, 412 PlacesAfterwards, 436 TransitionsBefore, 436 TransitionsAfterwards, 1662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 174.5ms, 416 PlacesBefore, 416 PlacesAfterwards, 453 TransitionsBefore, 453 TransitionsAfterwards, 1794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 179.7ms, 422 PlacesBefore, 422 PlacesAfterwards, 460 TransitionsBefore, 460 TransitionsAfterwards, 1856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 191.4ms, 435 PlacesBefore, 434 PlacesAfterwards, 462 TransitionsBefore, 462 TransitionsAfterwards, 1854 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 214.6ms, 434 PlacesBefore, 434 PlacesAfterwards, 481 TransitionsBefore, 481 TransitionsAfterwards, 1962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 240.1ms, 452 PlacesBefore, 452 PlacesAfterwards, 507 TransitionsBefore, 507 TransitionsAfterwards, 2074 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.9ms, 455 PlacesBefore, 455 PlacesAfterwards, 511 TransitionsBefore, 511 TransitionsAfterwards, 2108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 249.9ms, 463 PlacesBefore, 462 PlacesAfterwards, 515 TransitionsBefore, 515 TransitionsAfterwards, 2108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.1ms, 470 PlacesBefore, 470 PlacesAfterwards, 523 TransitionsBefore, 523 TransitionsAfterwards, 2144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 285.8ms, 472 PlacesBefore, 472 PlacesAfterwards, 538 TransitionsBefore, 538 TransitionsAfterwards, 2160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 312.2ms, 481 PlacesBefore, 473 PlacesAfterwards, 496 TransitionsBefore, 496 TransitionsAfterwards, 1726 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.8ms, 452 PlacesBefore, 451 PlacesAfterwards, 498 TransitionsBefore, 498 TransitionsAfterwards, 1750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.8ms, 453 PlacesBefore, 453 PlacesAfterwards, 499 TransitionsBefore, 499 TransitionsAfterwards, 1762 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.9ms, 459 PlacesBefore, 459 PlacesAfterwards, 501 TransitionsBefore, 501 TransitionsAfterwards, 1788 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 261.8ms, 466 PlacesBefore, 464 PlacesAfterwards, 499 TransitionsBefore, 499 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 246.9ms, 461 PlacesBefore, 460 PlacesAfterwards, 497 TransitionsBefore, 497 TransitionsAfterwards, 1766 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 262.3ms, 462 PlacesBefore, 462 PlacesAfterwards, 500 TransitionsBefore, 500 TransitionsAfterwards, 1806 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 224.0ms, 469 PlacesBefore, 467 PlacesAfterwards, 498 TransitionsBefore, 498 TransitionsAfterwards, 1754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 215.0ms, 461 PlacesBefore, 460 PlacesAfterwards, 496 TransitionsBefore, 496 TransitionsAfterwards, 1754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 216.1ms, 461 PlacesBefore, 454 PlacesAfterwards, 490 TransitionsBefore, 490 TransitionsAfterwards, 1718 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 237.9ms, 448 PlacesBefore, 446 PlacesAfterwards, 500 TransitionsBefore, 500 TransitionsAfterwards, 1736 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 336.6ms, 455 PlacesBefore, 455 PlacesAfterwards, 514 TransitionsBefore, 514 TransitionsAfterwards, 1788 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 343.6ms, 468 PlacesBefore, 468 PlacesAfterwards, 528 TransitionsBefore, 528 TransitionsAfterwards, 1880 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 284.1ms, 478 PlacesBefore, 478 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 1880 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 286.8ms, 476 PlacesBefore, 476 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 1828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 281.3ms, 479 PlacesBefore, 479 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 1888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.2ms, 486 PlacesBefore, 486 PlacesAfterwards, 534 TransitionsBefore, 534 TransitionsAfterwards, 1914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 321.9ms, 491 PlacesBefore, 491 PlacesAfterwards, 536 TransitionsBefore, 536 TransitionsAfterwards, 1940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 321.3ms, 495 PlacesBefore, 494 PlacesAfterwards, 537 TransitionsBefore, 537 TransitionsAfterwards, 1888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 330.0ms, 500 PlacesBefore, 496 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 1866 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 336.1ms, 504 PlacesBefore, 504 PlacesAfterwards, 541 TransitionsBefore, 541 TransitionsAfterwards, 1906 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 325.7ms, 502 PlacesBefore, 500 PlacesAfterwards, 535 TransitionsBefore, 535 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 329.9ms, 498 PlacesBefore, 497 PlacesAfterwards, 551 TransitionsBefore, 551 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 359.8ms, 510 PlacesBefore, 510 PlacesAfterwards, 563 TransitionsBefore, 563 TransitionsAfterwards, 1976 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 343.0ms, 516 PlacesBefore, 510 PlacesAfterwards, 552 TransitionsBefore, 552 TransitionsAfterwards, 1886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 434.5ms, 509 PlacesBefore, 509 PlacesAfterwards, 581 TransitionsBefore, 581 TransitionsAfterwards, 1960 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 389.3ms, 512 PlacesBefore, 512 PlacesAfterwards, 610 TransitionsBefore, 610 TransitionsAfterwards, 2112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 388.4ms, 521 PlacesBefore, 521 PlacesAfterwards, 597 TransitionsBefore, 597 TransitionsAfterwards, 2032 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 489.8ms, 527 PlacesBefore, 527 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 2056 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 50, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 399.7ms, 538 PlacesBefore, 538 PlacesAfterwards, 606 TransitionsBefore, 606 TransitionsAfterwards, 2044 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 50, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 561.4ms, 549 PlacesBefore, 549 PlacesAfterwards, 623 TransitionsBefore, 623 TransitionsAfterwards, 2134 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 57, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 479.5ms, 556 PlacesBefore, 556 PlacesAfterwards, 653 TransitionsBefore, 653 TransitionsAfterwards, 2226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 57, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 446.6ms, 565 PlacesBefore, 561 PlacesAfterwards, 651 TransitionsBefore, 651 TransitionsAfterwards, 2172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 57, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 451.1ms, 573 PlacesBefore, 573 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 2172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 57, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 590.5ms, 583 PlacesBefore, 583 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 2164 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 63, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 524.9ms, 592 PlacesBefore, 592 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 2180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 63, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 609.0ms, 592 PlacesBefore, 592 PlacesAfterwards, 669 TransitionsBefore, 669 TransitionsAfterwards, 2266 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 68, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 609.1ms, 600 PlacesBefore, 600 PlacesAfterwards, 674 TransitionsBefore, 674 TransitionsAfterwards, 2302 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 70, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 598.8ms, 608 PlacesBefore, 608 PlacesAfterwards, 678 TransitionsBefore, 678 TransitionsAfterwards, 2352 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 70, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 624.7ms, 617 PlacesBefore, 611 PlacesAfterwards, 671 TransitionsBefore, 671 TransitionsAfterwards, 2310 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 70, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 375.6ms, 618 PlacesBefore, 618 PlacesAfterwards, 669 TransitionsBefore, 669 TransitionsAfterwards, 2346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 70, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 446.0ms, 618 PlacesBefore, 618 PlacesAfterwards, 677 TransitionsBefore, 677 TransitionsAfterwards, 2384 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 70, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 508.2ms, 637 PlacesBefore, 634 PlacesAfterwards, 676 TransitionsBefore, 676 TransitionsAfterwards, 2426 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 71, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 395.1ms, 636 PlacesBefore, 635 PlacesAfterwards, 677 TransitionsBefore, 677 TransitionsAfterwards, 2426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 71, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 425.1ms, 639 PlacesBefore, 638 PlacesAfterwards, 669 TransitionsBefore, 669 TransitionsAfterwards, 2362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 71, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 413.7ms, 642 PlacesBefore, 641 PlacesAfterwards, 671 TransitionsBefore, 671 TransitionsAfterwards, 2362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 71, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 519.9ms, 641 PlacesBefore, 641 PlacesAfterwards, 675 TransitionsBefore, 675 TransitionsAfterwards, 2390 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 73, Positive conditional cache size: 73, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 408.4ms, 644 PlacesBefore, 640 PlacesAfterwards, 670 TransitionsBefore, 670 TransitionsAfterwards, 2352 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 73, Positive conditional cache size: 73, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 411.2ms, 645 PlacesBefore, 645 PlacesAfterwards, 673 TransitionsBefore, 673 TransitionsAfterwards, 2376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 73, Positive conditional cache size: 73, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 524.5ms, 649 PlacesBefore, 649 PlacesAfterwards, 677 TransitionsBefore, 677 TransitionsAfterwards, 2404 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 75, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 537.6ms, 657 PlacesBefore, 657 PlacesAfterwards, 679 TransitionsBefore, 679 TransitionsAfterwards, 2424 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 75, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 449.0ms, 663 PlacesBefore, 663 PlacesAfterwards, 684 TransitionsBefore, 684 TransitionsAfterwards, 2462 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 75, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 436.7ms, 668 PlacesBefore, 661 PlacesAfterwards, 678 TransitionsBefore, 678 TransitionsAfterwards, 2430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 75, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 447.5ms, 665 PlacesBefore, 665 PlacesAfterwards, 683 TransitionsBefore, 683 TransitionsAfterwards, 2468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 75, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 428.7ms, 674 PlacesBefore, 674 PlacesAfterwards, 686 TransitionsBefore, 686 TransitionsAfterwards, 2492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 75, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 495.5ms, 678 PlacesBefore, 678 PlacesAfterwards, 691 TransitionsBefore, 691 TransitionsAfterwards, 2542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 75, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 459.7ms, 681 PlacesBefore, 675 PlacesAfterwards, 684 TransitionsBefore, 684 TransitionsAfterwards, 2478 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 75, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 553.7ms, 678 PlacesBefore, 678 PlacesAfterwards, 688 TransitionsBefore, 688 TransitionsAfterwards, 2506 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 77, Positive conditional cache size: 77, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 575.9ms, 681 PlacesBefore, 681 PlacesAfterwards, 697 TransitionsBefore, 697 TransitionsAfterwards, 2600 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 82, Positive conditional cache size: 82, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 586.5ms, 691 PlacesBefore, 691 PlacesAfterwards, 703 TransitionsBefore, 703 TransitionsAfterwards, 2664 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 493.1ms, 700 PlacesBefore, 700 PlacesAfterwards, 704 TransitionsBefore, 704 TransitionsAfterwards, 2678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 537.6ms, 702 PlacesBefore, 678 PlacesAfterwards, 672 TransitionsBefore, 671 TransitionsAfterwards, 2408 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 427.7ms, 667 PlacesBefore, 667 PlacesAfterwards, 669 TransitionsBefore, 669 TransitionsAfterwards, 2398 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 444.9ms, 671 PlacesBefore, 668 PlacesAfterwards, 666 TransitionsBefore, 666 TransitionsAfterwards, 2396 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 404.2ms, 669 PlacesBefore, 663 PlacesAfterwards, 659 TransitionsBefore, 659 TransitionsAfterwards, 2358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 425.2ms, 663 PlacesBefore, 663 PlacesAfterwards, 656 TransitionsBefore, 656 TransitionsAfterwards, 2358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 410.2ms, 661 PlacesBefore, 658 PlacesAfterwards, 653 TransitionsBefore, 653 TransitionsAfterwards, 2358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 415.1ms, 667 PlacesBefore, 667 PlacesAfterwards, 651 TransitionsBefore, 651 TransitionsAfterwards, 2358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 403.4ms, 667 PlacesBefore, 666 PlacesAfterwards, 644 TransitionsBefore, 644 TransitionsAfterwards, 2332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 414.1ms, 658 PlacesBefore, 655 PlacesAfterwards, 640 TransitionsBefore, 640 TransitionsAfterwards, 2308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 492.4ms, 656 PlacesBefore, 654 PlacesAfterwards, 636 TransitionsBefore, 636 TransitionsAfterwards, 2308 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 379.0ms, 649 PlacesBefore, 647 PlacesAfterwards, 633 TransitionsBefore, 633 TransitionsAfterwards, 2308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 461.9ms, 642 PlacesBefore, 632 PlacesAfterwards, 625 TransitionsBefore, 625 TransitionsAfterwards, 2266 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 373.2ms, 628 PlacesBefore, 627 PlacesAfterwards, 625 TransitionsBefore, 625 TransitionsAfterwards, 2254 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 375.2ms, 632 PlacesBefore, 631 PlacesAfterwards, 626 TransitionsBefore, 626 TransitionsAfterwards, 2254 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 386.8ms, 634 PlacesBefore, 634 PlacesAfterwards, 626 TransitionsBefore, 626 TransitionsAfterwards, 2254 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 382.5ms, 637 PlacesBefore, 635 PlacesAfterwards, 625 TransitionsBefore, 625 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 455.3ms, 640 PlacesBefore, 640 PlacesAfterwards, 629 TransitionsBefore, 629 TransitionsAfterwards, 2300 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 404.6ms, 646 PlacesBefore, 646 PlacesAfterwards, 632 TransitionsBefore, 632 TransitionsAfterwards, 2324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 385.6ms, 651 PlacesBefore, 646 PlacesAfterwards, 623 TransitionsBefore, 623 TransitionsAfterwards, 2252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 367.1ms, 642 PlacesBefore, 642 PlacesAfterwards, 625 TransitionsBefore, 625 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 400.8ms, 647 PlacesBefore, 643 PlacesAfterwards, 624 TransitionsBefore, 624 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 381.3ms, 646 PlacesBefore, 643 PlacesAfterwards, 620 TransitionsBefore, 620 TransitionsAfterwards, 2248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 380.8ms, 644 PlacesBefore, 643 PlacesAfterwards, 619 TransitionsBefore, 619 TransitionsAfterwards, 2248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 462.3ms, 645 PlacesBefore, 644 PlacesAfterwards, 611 TransitionsBefore, 611 TransitionsAfterwards, 2246 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 342.5ms, 632 PlacesBefore, 626 PlacesAfterwards, 603 TransitionsBefore, 603 TransitionsAfterwards, 2214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 358.2ms, 625 PlacesBefore, 618 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 2214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 369.9ms, 619 PlacesBefore, 616 PlacesAfterwards, 588 TransitionsBefore, 588 TransitionsAfterwards, 2190 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 359.8ms, 621 PlacesBefore, 621 PlacesAfterwards, 590 TransitionsBefore, 590 TransitionsAfterwards, 2230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 335.7ms, 619 PlacesBefore, 616 PlacesAfterwards, 586 TransitionsBefore, 586 TransitionsAfterwards, 2230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 382.2ms, 614 PlacesBefore, 611 PlacesAfterwards, 572 TransitionsBefore, 572 TransitionsAfterwards, 2222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 317.5ms, 592 PlacesBefore, 588 PlacesAfterwards, 563 TransitionsBefore, 563 TransitionsAfterwards, 2174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 312.9ms, 582 PlacesBefore, 579 PlacesAfterwards, 561 TransitionsBefore, 561 TransitionsAfterwards, 2166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 289.4ms, 583 PlacesBefore, 583 PlacesAfterwards, 560 TransitionsBefore, 560 TransitionsAfterwards, 2180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 299.8ms, 585 PlacesBefore, 575 PlacesAfterwards, 545 TransitionsBefore, 545 TransitionsAfterwards, 2170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 292.1ms, 560 PlacesBefore, 560 PlacesAfterwards, 546 TransitionsBefore, 546 TransitionsAfterwards, 2184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 282.7ms, 568 PlacesBefore, 566 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 2072 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 273.7ms, 541 PlacesBefore, 540 PlacesAfterwards, 529 TransitionsBefore, 529 TransitionsAfterwards, 2062 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 246.4ms, 535 PlacesBefore, 528 PlacesAfterwards, 520 TransitionsBefore, 520 TransitionsAfterwards, 2020 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 381.4ms, 518 PlacesBefore, 518 PlacesAfterwards, 541 TransitionsBefore, 541 TransitionsAfterwards, 2126 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 56, Positive conditional cache size: 56, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 284.8ms, 527 PlacesBefore, 527 PlacesAfterwards, 548 TransitionsBefore, 548 TransitionsAfterwards, 2164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 56, Positive conditional cache size: 56, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 324.0ms, 537 PlacesBefore, 537 PlacesAfterwards, 567 TransitionsBefore, 567 TransitionsAfterwards, 2324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 56, Positive conditional cache size: 56, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 320.4ms, 545 PlacesBefore, 545 PlacesAfterwards, 574 TransitionsBefore, 574 TransitionsAfterwards, 2366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 56, Positive conditional cache size: 56, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 316.3ms, 553 PlacesBefore, 553 PlacesAfterwards, 589 TransitionsBefore, 589 TransitionsAfterwards, 2464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 56, Positive conditional cache size: 56, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 348.8ms, 563 PlacesBefore, 563 PlacesAfterwards, 599 TransitionsBefore, 599 TransitionsAfterwards, 2540 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 56, Positive conditional cache size: 56, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 358.9ms, 572 PlacesBefore, 572 PlacesAfterwards, 606 TransitionsBefore, 606 TransitionsAfterwards, 2592 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 56, Positive conditional cache size: 56, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 611.7ms, 579 PlacesBefore, 579 PlacesAfterwards, 632 TransitionsBefore, 632 TransitionsAfterwards, 2706 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 58, Positive conditional cache size: 58, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.1ms, 590 PlacesBefore, 590 PlacesAfterwards, 633 TransitionsBefore, 633 TransitionsAfterwards, 2742 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 383.3ms, 593 PlacesBefore, 584 PlacesAfterwards, 621 TransitionsBefore, 621 TransitionsAfterwards, 2650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 483.3ms, 584 PlacesBefore, 584 PlacesAfterwards, 621 TransitionsBefore, 621 TransitionsAfterwards, 2728 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 396.5ms, 590 PlacesBefore, 590 PlacesAfterwards, 628 TransitionsBefore, 628 TransitionsAfterwards, 2780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 397.4ms, 594 PlacesBefore, 594 PlacesAfterwards, 626 TransitionsBefore, 626 TransitionsAfterwards, 2798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 406.4ms, 596 PlacesBefore, 595 PlacesAfterwards, 619 TransitionsBefore, 619 TransitionsAfterwards, 2798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 380.5ms, 587 PlacesBefore, 578 PlacesAfterwards, 608 TransitionsBefore, 608 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 381.0ms, 579 PlacesBefore, 576 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 2618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 380.8ms, 575 PlacesBefore, 574 PlacesAfterwards, 596 TransitionsBefore, 596 TransitionsAfterwards, 2618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 366.1ms, 580 PlacesBefore, 580 PlacesAfterwards, 601 TransitionsBefore, 601 TransitionsAfterwards, 2662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 402.7ms, 582 PlacesBefore, 581 PlacesAfterwards, 611 TransitionsBefore, 611 TransitionsAfterwards, 2662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 395.4ms, 590 PlacesBefore, 589 PlacesAfterwards, 612 TransitionsBefore, 612 TransitionsAfterwards, 2662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 395.5ms, 596 PlacesBefore, 596 PlacesAfterwards, 620 TransitionsBefore, 620 TransitionsAfterwards, 2718 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 404.0ms, 604 PlacesBefore, 604 PlacesAfterwards, 623 TransitionsBefore, 623 TransitionsAfterwards, 2742 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 447.5ms, 608 PlacesBefore, 608 PlacesAfterwards, 636 TransitionsBefore, 636 TransitionsAfterwards, 2834 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 427.0ms, 617 PlacesBefore, 617 PlacesAfterwards, 642 TransitionsBefore, 642 TransitionsAfterwards, 2882 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 443.1ms, 624 PlacesBefore, 624 PlacesAfterwards, 651 TransitionsBefore, 651 TransitionsAfterwards, 2976 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 441.0ms, 633 PlacesBefore, 633 PlacesAfterwards, 655 TransitionsBefore, 655 TransitionsAfterwards, 3016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 466.9ms, 640 PlacesBefore, 640 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 3036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 463.2ms, 644 PlacesBefore, 644 PlacesAfterwards, 660 TransitionsBefore, 660 TransitionsAfterwards, 3070 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 464.0ms, 654 PlacesBefore, 654 PlacesAfterwards, 662 TransitionsBefore, 662 TransitionsAfterwards, 3090 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 477.0ms, 658 PlacesBefore, 658 PlacesAfterwards, 666 TransitionsBefore, 666 TransitionsAfterwards, 3134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 497.6ms, 668 PlacesBefore, 668 PlacesAfterwards, 674 TransitionsBefore, 674 TransitionsAfterwards, 3218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 523.2ms, 674 PlacesBefore, 674 PlacesAfterwards, 679 TransitionsBefore, 679 TransitionsAfterwards, 3272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 547.0ms, 685 PlacesBefore, 655 PlacesAfterwards, 622 TransitionsBefore, 621 TransitionsAfterwards, 2762 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 406.5ms, 621 PlacesBefore, 617 PlacesAfterwards, 615 TransitionsBefore, 615 TransitionsAfterwards, 2714 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 409.3ms, 615 PlacesBefore, 615 PlacesAfterwards, 616 TransitionsBefore, 616 TransitionsAfterwards, 2728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 406.0ms, 617 PlacesBefore, 616 PlacesAfterwards, 618 TransitionsBefore, 618 TransitionsAfterwards, 2728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 403.1ms, 621 PlacesBefore, 618 PlacesAfterwards, 612 TransitionsBefore, 612 TransitionsAfterwards, 2704 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 394.9ms, 615 PlacesBefore, 609 PlacesAfterwards, 595 TransitionsBefore, 595 TransitionsAfterwards, 2600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 445.0ms, 609 PlacesBefore, 609 PlacesAfterwards, 599 TransitionsBefore, 599 TransitionsAfterwards, 2644 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 388.5ms, 614 PlacesBefore, 612 PlacesAfterwards, 596 TransitionsBefore, 596 TransitionsAfterwards, 2644 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 401.7ms, 613 PlacesBefore, 610 PlacesAfterwards, 590 TransitionsBefore, 590 TransitionsAfterwards, 2610 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 369.8ms, 607 PlacesBefore, 607 PlacesAfterwards, 592 TransitionsBefore, 592 TransitionsAfterwards, 2634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 381.5ms, 611 PlacesBefore, 611 PlacesAfterwards, 596 TransitionsBefore, 596 TransitionsAfterwards, 2678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 359.9ms, 616 PlacesBefore, 610 PlacesAfterwards, 592 TransitionsBefore, 592 TransitionsAfterwards, 2644 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 373.6ms, 615 PlacesBefore, 611 PlacesAfterwards, 584 TransitionsBefore, 584 TransitionsAfterwards, 2580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 390.3ms, 610 PlacesBefore, 610 PlacesAfterwards, 587 TransitionsBefore, 587 TransitionsAfterwards, 2616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 459.1ms, 615 PlacesBefore, 605 PlacesAfterwards, 579 TransitionsBefore, 579 TransitionsAfterwards, 2572 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 347.4ms, 605 PlacesBefore, 568 PlacesAfterwards, 501 TransitionsBefore, 500 TransitionsAfterwards, 1976 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 384.9ms, 540 PlacesBefore, 540 PlacesAfterwards, 518 TransitionsBefore, 518 TransitionsAfterwards, 2068 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 63, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 412.7ms, 557 PlacesBefore, 557 PlacesAfterwards, 535 TransitionsBefore, 535 TransitionsAfterwards, 2180 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 62, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 352.7ms, 568 PlacesBefore, 567 PlacesAfterwards, 537 TransitionsBefore, 536 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 52, Positive conditional cache size: 52, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 395.7ms, 570 PlacesBefore, 570 PlacesAfterwards, 550 TransitionsBefore, 550 TransitionsAfterwards, 2284 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 57, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 324.2ms, 581 PlacesBefore, 581 PlacesAfterwards, 551 TransitionsBefore, 551 TransitionsAfterwards, 2286 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 57, Positive conditional cache size: 57, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 402.7ms, 582 PlacesBefore, 581 PlacesAfterwards, 555 TransitionsBefore, 554 TransitionsAfterwards, 2326 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 52, Positive conditional cache size: 52, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 342.1ms, 589 PlacesBefore, 589 PlacesAfterwards, 554 TransitionsBefore, 554 TransitionsAfterwards, 2316 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 52, Positive conditional cache size: 52, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 321.6ms, 589 PlacesBefore, 584 PlacesAfterwards, 546 TransitionsBefore, 546 TransitionsAfterwards, 2242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 52, Positive conditional cache size: 52, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 319.9ms, 584 PlacesBefore, 583 PlacesAfterwards, 548 TransitionsBefore, 548 TransitionsAfterwards, 2242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 52, Positive conditional cache size: 52, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 324.7ms, 587 PlacesBefore, 585 PlacesAfterwards, 549 TransitionsBefore, 549 TransitionsAfterwards, 2252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 52, Positive conditional cache size: 52, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 412.8ms, 588 PlacesBefore, 588 PlacesAfterwards, 551 TransitionsBefore, 551 TransitionsAfterwards, 2276 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 52, Positive conditional cache size: 52, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 391.8ms, 595 PlacesBefore, 594 PlacesAfterwards, 556 TransitionsBefore, 556 TransitionsAfterwards, 2280 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 329.8ms, 600 PlacesBefore, 599 PlacesAfterwards, 555 TransitionsBefore, 555 TransitionsAfterwards, 2280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 331.9ms, 600 PlacesBefore, 599 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 2280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 335.7ms, 600 PlacesBefore, 595 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 2246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 348.8ms, 597 PlacesBefore, 596 PlacesAfterwards, 554 TransitionsBefore, 554 TransitionsAfterwards, 2246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 320.2ms, 596 PlacesBefore, 586 PlacesAfterwards, 545 TransitionsBefore, 545 TransitionsAfterwards, 2182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 309.2ms, 581 PlacesBefore, 572 PlacesAfterwards, 537 TransitionsBefore, 537 TransitionsAfterwards, 2172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 441.1ms, 576 PlacesBefore, 576 PlacesAfterwards, 556 TransitionsBefore, 556 TransitionsAfterwards, 2270 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 11 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 58, Positive conditional cache size: 58, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 317.7ms, 585 PlacesBefore, 585 PlacesAfterwards, 553 TransitionsBefore, 553 TransitionsAfterwards, 2270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 58, Positive conditional cache size: 58, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 370.2ms, 586 PlacesBefore, 585 PlacesAfterwards, 555 TransitionsBefore, 554 TransitionsAfterwards, 2290 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 300.1ms, 588 PlacesBefore, 588 PlacesAfterwards, 554 TransitionsBefore, 554 TransitionsAfterwards, 2280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 53, Positive conditional cache size: 53, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 440.4ms, 592 PlacesBefore, 591 PlacesAfterwards, 569 TransitionsBefore, 568 TransitionsAfterwards, 2434 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 58, Positive conditional cache size: 58, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 334.5ms, 601 PlacesBefore, 601 PlacesAfterwards, 561 TransitionsBefore, 561 TransitionsAfterwards, 2414 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 58, Positive conditional cache size: 58, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 420.5ms, 602 PlacesBefore, 602 PlacesAfterwards, 572 TransitionsBefore, 572 TransitionsAfterwards, 2530 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 63, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 344.1ms, 609 PlacesBefore, 609 PlacesAfterwards, 572 TransitionsBefore, 572 TransitionsAfterwards, 2530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 63, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 466.2ms, 620 PlacesBefore, 619 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 2626 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 64, Positive conditional cache size: 64, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 394.3ms, 627 PlacesBefore, 622 PlacesAfterwards, 592 TransitionsBefore, 592 TransitionsAfterwards, 2578 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 64, Positive conditional cache size: 64, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 451.3ms, 610 PlacesBefore, 610 PlacesAfterwards, 606 TransitionsBefore, 606 TransitionsAfterwards, 2608 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 65, Positive conditional cache size: 65, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 386.5ms, 620 PlacesBefore, 617 PlacesAfterwards, 616 TransitionsBefore, 616 TransitionsAfterwards, 2564 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 65, Positive conditional cache size: 65, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.2ms, 631 PlacesBefore, 629 PlacesAfterwards, 642 TransitionsBefore, 642 TransitionsAfterwards, 2580 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 508.5ms, 639 PlacesBefore, 639 PlacesAfterwards, 669 TransitionsBefore, 669 TransitionsAfterwards, 2708 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 68, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 500.9ms, 646 PlacesBefore, 646 PlacesAfterwards, 680 TransitionsBefore, 680 TransitionsAfterwards, 2754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 68, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 459.7ms, 651 PlacesBefore, 651 PlacesAfterwards, 684 TransitionsBefore, 684 TransitionsAfterwards, 2766 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 68, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 484.9ms, 659 PlacesBefore, 659 PlacesAfterwards, 699 TransitionsBefore, 699 TransitionsAfterwards, 2784 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 68, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 476.6ms, 663 PlacesBefore, 663 PlacesAfterwards, 703 TransitionsBefore, 703 TransitionsAfterwards, 2836 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 68, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 458.4ms, 673 PlacesBefore, 668 PlacesAfterwards, 686 TransitionsBefore, 686 TransitionsAfterwards, 2668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 68, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 479.8ms, 661 PlacesBefore, 661 PlacesAfterwards, 702 TransitionsBefore, 702 TransitionsAfterwards, 2810 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 68, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 493.6ms, 672 PlacesBefore, 672 PlacesAfterwards, 709 TransitionsBefore, 709 TransitionsAfterwards, 2866 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 68, Positive conditional cache size: 68, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 591.4ms, 684 PlacesBefore, 684 PlacesAfterwards, 713 TransitionsBefore, 713 TransitionsAfterwards, 2900 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 70, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 586.2ms, 690 PlacesBefore, 690 PlacesAfterwards, 719 TransitionsBefore, 719 TransitionsAfterwards, 2936 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 578.5ms, 696 PlacesBefore, 696 PlacesAfterwards, 721 TransitionsBefore, 721 TransitionsAfterwards, 2960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 540.1ms, 703 PlacesBefore, 703 PlacesAfterwards, 725 TransitionsBefore, 725 TransitionsAfterwards, 2988 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 546.5ms, 709 PlacesBefore, 709 PlacesAfterwards, 729 TransitionsBefore, 729 TransitionsAfterwards, 3012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 664.4ms, 716 PlacesBefore, 716 PlacesAfterwards, 733 TransitionsBefore, 733 TransitionsAfterwards, 3070 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 588.1ms, 728 PlacesBefore, 728 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 3146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 547.8ms, 735 PlacesBefore, 734 PlacesAfterwards, 729 TransitionsBefore, 729 TransitionsAfterwards, 3050 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 567.8ms, 736 PlacesBefore, 736 PlacesAfterwards, 727 TransitionsBefore, 727 TransitionsAfterwards, 3050 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 540.0ms, 742 PlacesBefore, 742 PlacesAfterwards, 734 TransitionsBefore, 734 TransitionsAfterwards, 3108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 540.5ms, 751 PlacesBefore, 750 PlacesAfterwards, 733 TransitionsBefore, 733 TransitionsAfterwards, 3108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 569.6ms, 751 PlacesBefore, 751 PlacesAfterwards, 737 TransitionsBefore, 737 TransitionsAfterwards, 3142 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 577.2ms, 760 PlacesBefore, 760 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 3172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 579.3ms, 768 PlacesBefore, 765 PlacesAfterwards, 735 TransitionsBefore, 735 TransitionsAfterwards, 3148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 572.8ms, 762 PlacesBefore, 762 PlacesAfterwards, 737 TransitionsBefore, 737 TransitionsAfterwards, 3168 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 618.4ms, 771 PlacesBefore, 769 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 3198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 561.4ms, 771 PlacesBefore, 771 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 3198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 591.6ms, 772 PlacesBefore, 772 PlacesAfterwards, 756 TransitionsBefore, 756 TransitionsAfterwards, 3242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 518.3ms, 779 PlacesBefore, 760 PlacesAfterwards, 726 TransitionsBefore, 726 TransitionsAfterwards, 3018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 505.7ms, 749 PlacesBefore, 746 PlacesAfterwards, 724 TransitionsBefore, 724 TransitionsAfterwards, 3028 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 72, Positive conditional cache size: 72, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 686.0ms, 748 PlacesBefore, 748 PlacesAfterwards, 730 TransitionsBefore, 730 TransitionsAfterwards, 3092 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 77, Positive conditional cache size: 77, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 636.7ms, 758 PlacesBefore, 753 PlacesAfterwards, 711 TransitionsBefore, 711 TransitionsAfterwards, 3034 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 77, Positive conditional cache size: 77, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 619.0ms, 733 PlacesBefore, 729 PlacesAfterwards, 706 TransitionsBefore, 706 TransitionsAfterwards, 3030 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 514.6ms, 719 PlacesBefore, 715 PlacesAfterwards, 699 TransitionsBefore, 699 TransitionsAfterwards, 2986 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 521.4ms, 712 PlacesBefore, 706 PlacesAfterwards, 694 TransitionsBefore, 694 TransitionsAfterwards, 2942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 78, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 95). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 707 places, 689 transitions, 21736 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 707 places, 689 transitions, 21736 flow,while PetriNetUnfolder was constructing finite prefix that currently has 18495 conditions, 1296 events (594/1295 cut-off events. For 134421/134509 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 9374 event pairs, 9 based on Foata normal form. 18/1180 useless extension candidates. Maximal degree in co-relation 18203. Up to 281 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 25.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 814393.5ms, OverallIterations: 446, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 623539.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 547.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7533 SDtfs, 8151 SDslu, 5607 SDs, 0 SdLazy, 209135 SolverSat, 6467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69765.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6258 GetRequests, 142 SyntacticMatches, 675 SemanticMatches, 5441 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7788 ImplicationChecksByTransitivity, 61851.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=26464occurred in iteration=436, InterpolantAutomatonStates: 5880, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 225.2ms SsaConstructionTime, 781.9ms SatisfiabilityAnalysisTime, 46138.0ms InterpolantComputationTime, 11880 NumberOfCodeBlocks, 11880 NumberOfCodeBlocksAsserted, 446 NumberOfCheckSat, 11434 ConstructedInterpolants, 0 QuantifiedInterpolants, 139162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 446 InterpolantComputations, 446 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown